Vlastimil Matějec, Ph.D.

Research interests:

1977 - 1981: Study of molecular associations using IR spectroscopy and application of results for the description of liquid-vapour equilibrium in strong non-ideal systems

1981 - 1983: Research of heterogeneous catalysts for desulphurization of thiophene derivates in liquid state phase

1983 - 1993: Technology of special silica optical fibers based on the MCVD and sol-gel methods (telecommunication fibers, polarization-maintaining fibers, fibers doped with rare earth elements)

1993 - today: Material research in the field of optical fibers based on oxidic glasses for fiber lasers, fiber-optic sensors which employs deposition of thin films from vapour (MCVD) or liquid phase (sol-gel); Theoretical and experimental research of fiber-optic evanescent sensors (sectorial fibers, inverted graded fibers, holey fibers)

Professional activities:

1977 - 1978: Research fellow, Department of Physical Chemistry, Institute of Chemical Technology in Prague

1981 - 1983: Research fellow, Institute of Chemical Process Fundamental, Czechoslovak Academy of Sciences, Prague

1983 - 1993: Senior scientist, Institute of Chemistry of Glass and Ceramic Materials (ICGCM), ASCR, Prague

1992 - 1993: Head of the Department of Optical Fibers of the ICGCM AS CR, Prague

1993 - today: Senior scientist, Institute of Photonics and Electronics (IPE) AS CR, Prague

1995 - 2002: Head of the Laboratory of Optical Fibres of the IREE AS CR, Prague

2002 (May) - 2012: Head of the IPE AS CR, Prague

Other activities:

1999, 2001: Diploma thesis supervisor at CTU Prague

1997 - 2004: Member of committees for defense of PhD. thesis at Ecole Centrale de Lyon, Université Jean Monnet Saint-Etienne, Université Louis Pasteur Strasbourg, France

1995 - 1998: Principal investigator at the project COPERNICUS “CIPA-CT94-0140 Development of fiber-optic chemical sensors” coordinated by Fraunhofer Institut für Silicatforschung, Würzburg, SRN

2002 - 2005: Principal investigator of the project “MATINOES-Novel organic-inorganic materials in opto-electronic systems for the monitoring and control of bio-processes” funded by the European Community under the "Competitive and Sustainable Growth" Program, coordinator University of Manchester

1993 - today:  Principal investigator of two projects of the Grant Agency (GA) AV ČR and three of the GA ČR focused on development of special optical fibers for optical sensors and fibre lasers and study of their properties

1990 - 1993: Member of Scientific Council of the ICGCM, AS CR

1996 - 1998: Member of Scientific Council of the IREE, ASCR

Materials for students:

Student materials from lectures can be found here

Education:

1971 - 1976: MSc. Technical analytical and physical Chemistry, Institute of Chemical Technology in Prague

1978 - 1982: Ph.D. Chemistry, Institute of Chemical Technology in Prague

Current research projects:

Principal investigator of the projects:

• Bragg fibers for delivery of high laser powers
• Benefit 7 - Rozvoj výzkumného týmu BIO-OPT-XUV na FBMI ČVUT

Member of the projects:

• eyesafe2u - Fiber optic components for "eye-safe" spectral region around 2 um
• Special glasses on the base of heavy metal oxides

Selected past projects:

Principal investigator of the projects:

• Design, preparation and characterization of novel types of optical microresonators for chemical detection
• Air-silica microstructure fibers for evanescent-wave chemical sensing
• Novel organic-inorganic materials in optoelectronics systems for the monitoring and control of bio-processes
• Air-silica microstructure fibres: methods of fabrication and characterisation
• Characterisation of special silica optical fibers for fiber lasers
• Silica optical fibers for fiber-optic lasers and evanescent-wave chemical sensors fabricated by using the sol-gel method

Co-principal investigator of the projects:

• Optical fibers modified by nanostructured photocatalytic layers with high activity in visible spectrum

Member of the projects:

• Preparation and properties of silica-based optical glasses containing rare-earth- and chromium-doped nano-particles
• FILA - Compact high-power passively Q-switched all-fiber lasers
• Regulation of morphogenesis of plant cells and organs
• Special glass materials for photonics applications
• Quasi single-mode optical fibers for telecommunications and distributed fiber-optic sensors
• Bend sensing with long-period gratings inscribed by CO2 laser in conventional and microstructure optical fibers of selected types
• Thulium doped silica fibres for fibre amplifiers
• Novel approaches to reversible opto-electrochemical fibre sensing of chlorine in water
• Nonlinear effects in microstructure optical fibres and their potential applications for future communication systems
• Special glasses and fibres for infrared applications
• Microstructure fibres for optical communications and sensors
• Inverted graded-index fiber structures for evanescent-wave chemical sensing in the refractive-index

Patents:

P. Peterka, I. Kašík, V. Matějec: “Zařízení a způsob pro navázání signálu a čerpání do dvouplášťového optického vlákna”, CZ Pat. 301215.

Publications:

Books:

1. Kašík, O. Podrazký, J. Mrázek, J. Aubrecht, V. Matějec: „Chlorine in water“, R. Mangione, D. Carlyle (Eds.): „Chlorine: Properties, applications and health effects“, Nova Science Publishers, Inc., 2011, book chapter
2. M. Pospíšilová, I. Kašík, V. Matějec: „Vláknová optika pro biologii a medicínu“, Česká technika - nakladatelství ČVUT, 2011, skripta
3. Kašík, V. Matějec, M Chomát: "Optical chemical sensors", Praha: PACI - Pražske analytické centrum inovaci, 2007, 169-185. Skripta
4. V. Matějec, I. Kašík, M. Chomát : “Chapter 13: Fundamentals and performance of the MCVD aerosol process”, Aerosol chemical processes in the enviroment, Levis (2000)

Journal papers:

1. Dhar, I. Kašík, B. Dussardier, O. Podrazký, V. Matějec: “Preparation and properties of Er–doped ZrO2 nanocrystalline phase-separated preforms of optical fibres by MCVD process“, International Journal of Applied Ceramic Technology 9 (2012), 341-348
2. V. Matějec, M. Jelínek, F. Todorov, M. Chomát, V. Kubeček, D. Berková, T. Martan: „Effect of Sol-gel modifications on characteristics of silica spherical microresonators“, Sensor Letters 9 (2011) 2265-2267
3. F. Todorov, J. Čtyroký, M. Jelínek, M. Chomát, V. Matějec, V. Kubeček, T. Martan, D. Berková: „Bottle microresonators fabricated by shaping optical fibers with a beam of a CO2 laser“, Sensor Letters 9 (2011) 2279-2282
4. J. Mrázek, L. Špaňhel, M. Surýnek, M. Potel, V. Matějec: „Crystallization properties of Re-doped (re = Eu, Er, Tm) Zn(2)tio(4) prepared by the Sol-gel method“, Journal of Alloys and Compounds 509 (2011) 4018-4024
5. Kašík, I., Mrázek, J., Martan, T., Pospíšilová, M., Podrazký, O., Matějec, V., Hoyerová, K., Kamínek, M.: "Fiber-optic pH detection in small volumes of biosamples", Analytical and Bioanalytical Chemistry 398 (2010) 1883-1889.
6. Matějec, V., Mrázek, J., Podrazký, O., Hayer, M., Pospíšilová, M.: "Fiber-optic U-shaped detection elements for the investigation of photocatalytic activity of optical fibers coated with layer of TiO2" Sensor Letters 7 (2009) 900-904.
7. Mrázek, J., Spanhel, L., Chadeyron, G., Matějec, V.: "Evolution and Eu3+ doping of sol-gel derived ternary Zn xTiyOz - Nanocrystals", Journal of Physical Chemistry C 114 (2010) 2843-2852.
8. I. Kasik, J. Mrazek, O. Podrazky, M. Seidl, J. Aubrecht, M. Pospisilova, P. Tobiska, V. Matejec, B. Kovacs, A. Markovics, M. Szili: “Fiber- optic detection of chlorine in water", ”, Sensors and Actuators: B 139 (1) (2009) 139-142 
9. T. Martan, J. Kanka, I. Kasik, V. Matejec :“ Theoretical analysis and preparation of tapered suspended core microstructure fibers“, Int. J. Optomechatronics 3 (3) (2009) 233-249
10. O. Podrazky, I. Kasik , M. Pospisilova, V. Matejec :“ Use of nanoparticles for preparation of rare-earth doped silica fibers“, Physica Status Solidi C 6 (10) (2009) 2228-2230
11. F. Todorov, M. Chomat, D. Berkova, J. Ctyroky, V. Matejec, I.Kasik : „Sensitivity characteristics of long-periodgratings written with a CO2 laser in fiber with parabolic-index cladding, Sensors Lett. 7 (2009) 1-5
12. K. Rose, S. Dzyadevych, R. Fernández-Lafuente, N. Jaffrezic, G. Kuncová, V. Matějec, P. Scully : „Hybrid coatings as transducers in optical biosensors“, Journal of Coatings Technology Research 5 (4), 491-496
13. M. Pospíšilová, P. Adámek, P. Peterka, V. Kubeček, I. Kašík, V. Matějec: „Influence of Si-Al-Ge-Sb Matricies on Tm3+ Excitation Levels“, Materials Science Forum IV 587-588 (2008), 293-297
14. V. Matějec, J. Mrázek, M. Hayer, O. Podrazký, J. Kaňka, I. Kašík: “Sensitivity of microstructure fibers to gaseous oxygen“, Materials Science and Engineering C 28 (5-6) (2008), 876-881
15. I. Kašík, J. Mrázek, O. Podrazký, M. Seidl, J. Aubrecht, P. Tobiška, V. Matějec, B. Kovács, A. Markovics, M. Szili: “Preparation and characterization of thin transducer layers sensitive to free chlorine in water“, Materials Science and Engineering C 28 (5-6) (2008), 842-847
16. M. Chomát, D. Berková, F. Todorov, J. Čtyroký, V. Matějec, I. Kašík, J. Proboštová, M. Salvia, J. Jehid : “Bend sensing with with long-period fiber gratings in capillaries embedded in structures“, Materials Science and Engineering C 28 (5-6) (2008), 716-721
17. J. Čtyroký, M. Chomát, V. Matějec : „Analysis of bending effects in long period gratings in fibres with parabolic refractive index profile of the cladding“, Materials Science and Engineering C 28 (5-6) (2008), 739-743
18. M. Zaharescu, A Barau, L. Predoana, M Gartner, M Anastasescu, J. Mrazek, 1. Kašík, V. Matějec : "Ti02-Si02 sol-gel hybrid films and their sensitivity to gaseous toluene", J. Non-eryst. Solids, 354,2-9(2008),pp 639 -699.
19. V. Matějec, M. Hayer, J. Mrázek, I. Kašík, O. Podrazký, M. Pospíšilová: „Performance of the sol-gel method for the preparation of optical fibers“, Revue Roumaine de Chimie 52 (10) (2007), 991-998
20. P. Peterka, I. Kašík, V. Matějec, W. Blanc, B. Faure, B. Dussardier, G. Monom, V. Kubeček,: "Thulium-doped silica-basedoptical fibers for cladding-pumped fiOOr amplifiers", Optical Materials, 30: ,(2007), 174- 176.
21. P. J. Scully, L. Betancor, J. Bolyo, S. Dzydevych, J. M Guisan, R. Fernandez-Lafuente, N. Jaffrezic - Renault, G. Kuncová, V. Matějec, B. O'Kennedy, O. Podrazký, K. Rose, L. Sašek, J. S. Young: "Optical fibre biosensors using enzymatic transducers to monitor glukose", Measurement Science and Technology 18(10) (2007) 3177-3186.
22. J. Skokankova, J. Mrazek, V. Matejec, M. Hayer, I. Kasik, M. Chomat, D. Berkova, A. Barau, M. Zaharescu, M. Raileanu : “Properties of xerogel layers for the detection of toluene in water“, Materials Science and Engineering C 26 (2-3) (2006), 208-213.
23. V. Matejec, J. Mrazek, M. Hayer, I. Kasik, P. Peterka, J. Kanka, P. Honzatko, D. Berkova : “Microstructure fibers for gas detection“, Materials Science and Engineering C 26 (2-3) (2006), 317-321.
24. P. Cisarovsky, J. Dunovsky, L. Kolarik, F. Todorov, I. Kasik, V. Matejec : “Recording of long-period gratings in special single-mode fibers by a CO2 laser“, Materials Science and Engineering C 26 (2-3) (2006), 448-452.
25. J. Ctyroky, M. Chomat, V. Matejec : “Analysis of long-period gratings inscribed in the core of a fiber with inverse parabolic-index cladding“, Materials Science and Engineering C 26 (2-3) (2006), 431-435.
26. M. Chomat, D. Berkova, V. Matejec, I. Kasik, J. Kanka, R. Slavik, A. Jancarek ,P. Bittner : “Responses of a long-period gratings fabricated in a graded-index optical fiber to temperature and refractive-index changes“, Materials Science and Engineering C 26 (2-3) (2006), 457-461.
27. A. Abdelghani, K. Cherif, N. Jaffrezic-Renault, V. Matejec : “Impedance spectroscopy on xerogel layer for chemical sensing“, Materials Science and Engineering C 26 (2-3) (2006), 542-545.
28. M. Crişan, M. Răileanu, S. Preda, M. Zaharescu, A. M. Vălean, E. J. Popovici, V. S. Teodorescu, V. Matejec, J. Mrazek: “Manganese doped sol-gel materials with catalytic properties“, Journal of Optoelectronics and Advanced Materials, 8 (2) (2006), 815-819.
29. P. Peterka, I. Kasik, V. Matejec, V. Kubecek, P. Dvoracek : ”Experimental demonstration of novel end-pumping method for double-clad fiber devices“, Optics Letters. 31 22 (2006), 3240-3242.
30. M. Chomat, J. Ctyroky, D. Berkova, V. Matejec, J. Kanka, J. Skokankova, F. Todorov, A. Jancarek, P. Bittner : “Temperature sensisivity of long-period gratings inscribed with a CO2 laser in optical fiber with graded-index cladding“, Sensors and Actuators. B 119 (2) (2006), 642-650.
31. I. Kašík, V. Matějec, M. Chomát, M. Hayer, D. Berková, J. Mrázek, J. Skokánková: “Silica-based optical fibres with tailored refractive-index profiles in the region of 1.46-1.52 for evanescent-wave chemical detection”, Sensors and Actuators B-chemical 107 (1), p. 93-97, 2005
32. J. Mrázek, V. Matějec, I. Kašík, M. Hayer, D. Berková: „Application of the sol-gel method at the fabrication of microstructure fibers“, Journal of Sol-gel Science and Technology 31 (1-3), p. 175-178, 2004
33. V. Matějec, J. Mrázek, J. Skokánková, M. Chomát, D. Berková: „Optical properties and sensitivity of xerogel detection layers for fiber-optics hydrocarbon sensors“, Journal of Sol-gel Science and Technology 32 (1-3), p. 237-242, 2004
34. I. Kašík, V. Matějec, M. Chomát, M.Hayer, D. Berková : “Optical Fibres for Optical Sensing”, fulltext submitted to NATO ASI Series Proc., Kluwer
35. J. Mrázek, V. Matějec, M. Hayer, I. Kašík, D. Berková : „Application of the sol-gel method at the fabrication of microstructure fibers“, J.Sol-Gel Sci. & Technol 31 (2004), 175-178
36. V. Matějec, M. Chomát, D. Berková, J. Mrázek, R.Ardeleanu, V.Harabagiu, M.Pinteala, B.C.Simionescu : “Detection of toluene dissolved in water by using PCS fibers excited by an inclined collimated beam”, Sensors and Actuators B90 (2003), 204-210
37. K. Cherif, A. Abdelghani, S. Hleli, L. Ponsonnet, N. Jaffrezic-Renault, V. Matejec: „Contact angle measurement on xerogel sensitive layer for optical fibre sensor“, Materials Science&Engineering C-Biomimetic and Supramolecular Systems 23 (5) (2003), 571-577
38. M. Chomát, D. Berková, V. Matějec, I. Kašík, G. Kuncová : “The effect of hydrodynamic conditions on the detection of aqueous solutions of toluene by means of an inverted graded-index fiber”, Sensors and Actuators B90 (2003), 151-156
39. M. Chomát, D. Berková, V. Matějec, I. Kašík, G. Kuncová, H. Gagnaire, A. Trouillet, F. Bardin : “Optical detection of toluene in water by using IGI fibers”, Mat. Sci. & Eng. C - biomimetic and supramolecular systems 21 (2002) 211-215
40. V. Matějec, D. Berková, M. Chomát, M. Zábrodský : „Detection of toluene by using specially PCS fibers excited by an inclined collimated beam”, Mat. Sci. and Eng. - C. Biomimetic Materials, Sensors and Systems 21 (2002) 217-221
41. K. Cherif, J. Mrázek, S. Hleli, A. Abdelghani, N. Jaffrezic-Renault, V. Matějec, M. Chomát, I. Kašík : “Detection of aromatic hydrocarbons in air and water using xerogel layers coated on PCS fibers excited by collimated beam”, Proc. Eurosensors, Prague, September 2002, M3B4, Sensors and actuators B95 (2003) 97-106
42. K. Cherif, S. Hleli, A. Abdelghani, N. Jaffrezic-Renault, V. Matějec: „Chemical detection of liquid media with a refractrometric sensor based a multimode optical fibre“, Sensors 2 (6) (2002) 195-204
43. M. Chomát, J. Mrázek, V. Matějec, I. Kašík, J. Skokánková : “Investigation of the sensitivity of PCS fibers to changes of light absorption coefficient of the cladding”, Proc. SPIE 5036 : Photonics, Devices and Systems, Prague, May 2002, pp. 72-77.
44. I. Kašík, V. Matějec, M. Chomát, D. Berková, G. Kuncová : “Sensitivity of an IGI fiber with the germanium oxide-doped silica core to refractive-index changes of the optical cladding”, Proc. SPIE 5036 : Photonics, Devices and Systems, Prague, May 2002, pp. 123-128.
45. M. Chomát, D. Berková, V. Matějec, I. Kašík, G. Kuncová, M. Hayer : „Optical detection of toluene in water using an IGI optical fiber with a short sensing region“, Sensors and Actuators B87 (2002), 258-267.
46. V. Matějec, I. Kašík, M. Hayer, D. Berková, M. Chomát, J. Skokánková : „Fabrication of silica optical fibers doped in the core with aluminium oxide and rare-earth elements by using xerogels“, Roumanian J. of Chemistry 47 (2002), 1233-1239
47. I. Kašík, V. Matějec, J. Kaňka, P. Peterka, P. Honzátko, A. Langrová : “Using aerosol-based techniques and solution-doping for fabrication of optical fiber lasers”, Roumanian J. of Chemistry 47 (2002), 1241-1245
48. F. Bardin, I. Kašík, A. Trouillet, V. Matějec, H. Gagnaire, M. Chomát : “Surface plasmon resonance sensor using an optical fiber with an inverted graded-index profile”, Applied Optics 41 (2001) 2514-2520
49. V. Matějec, I. Kašík, D. Berková, M. Hayer, M. Chomát, Z. Berka, A. Langrová : “Properties of optical fiber preforms prepared by inner coating of substrate tubes”, Ceramics-Silikáty 45 (2001) 62-69
50. E. Chailleux, M. Salvia, N. Jaffrezic-Renault, V. Matějec, I. Kašík : “In situ study of the epoxy cure process using a fibre-optic sensor”, Smart Material Science and Structures 10 (2001) 194-202
51. P. Peterka, I. Kašík, J. Kaňka, P. Honzátko, V. Matějec, M. Hayer: “Twin-core fibre design and preparation for easy splicing”, IEEE Photonics Technol. Lett. 12 (2000), 1656-1658
52. M. Sedlář, V. Matějec, I. Paulička : “Optical fibre magnetic field sensors using ceramic magnetostrictive jackets”, Sensors and Actuators A84 (2000) 297-302
53. M. Sedlář, V. Matějec, T. Grygar, J. Kadlecová : “Sol-gel processing and magnetic properties of nickel zinc ferrite thick films”, Ceramics Int. 26 (2000) 507-512
54. V. Matějec, D. Berková, M. Chomát, G. Kuncová, M. Pospíšilová : “Effect of doping silica gel layers with TiOTI-chains and Cu²⁺-ephedrine on the sensitivity of the layers to gases”, J. Sol-Gel Sci. & Technol. 19 (2000) 197-200
55. M. Hayer, V. Matějec, D. Berková, I. Kašík, J. Kaňka, P. Peterka, P. Honzátko : “Effect of high-temperature treatment on optical properties of silica films doped with Al₂O₃, P₂O₅ and rare-earth elements”, J. Sol-Gel Sci.and Technol. 19 (2000) 293-296
56. Matějec, V. - Berková, D. - Chomát, M. - Kuncová, G: Modification of the selectivity of thin porous layers coated by the sol-gel method on silica optical fibers to gases. Bellingham, Proc. SPIE 4016- The International Society for Optical Engineering 2000. - S. 112-117.
57. M. Makowska, I. Kityk, J. Berdowski, V. Matějec, I. Kašík, A. Mefleh : “Nonlinear optical phenomena in the Al₂O₃ - P₂O₅, Er- and Yb-doped silica glasses”, Pure and Appl. Opt. 2 (2000) 43-47
58. E. Chailleux, M. Salvia, N. Jaffrezic-Renault, V. Matějec, I. Kašík: “A fibre optic sensor for monitoring the polymer cure process”, Proc. SPIE 4016 - Photonics, Devices and systems, Prague, June 1999, 136-142
59. J. Kaňka, P. Honzátko, P. Peterka, I. Kašík, V. Matějec : “Line-narrowing and wavelenghth stabilization in a tunable Er-Yb fibre ring laser with an Er twin-core fibre”, Proc. SPIE 4016 - Photonics, Devices and systems, Prague, June 1999, 315-31
60. M. Chomát, V. Matějec, J. Čtyroký, I. Kašík, D. Berková, M. Hayer, Z. Berka, H. Gagnaire, A. Trouillet “Modified graded-index fibers for chemical sensing”, PROC. SPIE 4016 - Photonics, Devices, and Systems, Prague, June 1999, 118-123
61. V. Matějec, I. Kašík, M. Chomát, J. Čtyroký, D. Berková, I. Huttel : “Modified inverted graded-index fibres for evanescent-wave chemical sensing”, Proc. SPIE 3860 - Photonics East, Boston, September 1999, 443-451
62. M. Chomát, D. Berková, V. Matějec, J. Čtyroký, I. Kašík, H. Gagnaire, A. Trouillet, F. Bardin : “The detection of refractive-index changes by using a sensing fibre with an inverted parabolic index profile”, Proc. SPIE 3860 -Photonics East, Boston, September 1999, 179-189
63. F. Abdelmalek, M. Lacroix, J. M. Chovelon, N. Jaffrezic-Renault, D. Berková, V. Matějec, I. Kašík, M. Chomát, H. Gagnaire : “Consequences of TiO₂ doping on the optical properties of pourous silica layers coated on silica optical fibers”, Thin Solid Films 340 (1999) 280-287
64. V. Matějec, M. Chomát, M. Hayer, I. Kašík, D. Berková, F. Abdelmalek, N. Jaffrezic-Renault : “Development of special optical fibers for evanescent-wave chemical sensing”, Czech. J. Phys. 49 (1999) 883-888
65. J. Kaňka, P. Peterka, P. Honzátko, V. Matějec, I. Kašík : “Er-doped twin-core fibre coupler as a saturable-absorber-based narrow-band filter for fibre lasers”, Czech. J. Phys. 49 (1999) 889-894
66. V. Matějec, M. Chomát, I. Kašík, J. Čtyroký, D. Berková, M. Hayer: “Inverted-graded index fiber structures for evanescent-wave chemical sensing”, Sensors and Actuators B51 (1998) 340-347
67. V. Matějec, I. Kašík, D. Berková, M. Hayer, J. Kaňka : “Sol-Gel fabrication and properties of silica cores of optical fibers doped with Yb³⁺, Er³⁺, Al₂O₃, or TiO₂”, J. Sol-Gel Sci. & Technol. 13 (1998) 617-621
68. D. Berková, M. Sedlář, V. Matějec, I. Kašík, M. Chomát, A. Abdelghani, N. Jaffrezic-Renault, M. Lacroix: “Fabrication and properties of doped porous polysiloxane sol-gel layers on optical fibers”, J. Sol-Gel Sci. & Technol. 13 (1998) 569-573
69. I. Kašík, V. Matějec, J. Kaňka, P. Honzátko : “Properties and fabrication of ytterbium-erbium co-doped silica fibres for high power fiber lasers”, Pure and Appl. Opt. 7 (1998) 457-465
70. V. Matějec, M. Chomát, M. Hayer, D. Berková, M. Pospíšilová, I. Kašík : “Improvement of the sectorial fiber for evanescent-wave sensing”, Sensors and Actuators B39 (1997) 334-338
71. V. Matějec, M. Hayer, M. Pospíšilová, I. Kašík : “Preparation of optical cores of silica optical fibers by the sol-gel method”, J. Sol-Gel Sci. & Technol. 8 (1997) 889-893
72. I. Kašík, V. Matějec, M. Pospíšilová, J. Kaňka, J. Hora : “Silica optical fibers doped with Yb³⁺ and Er³⁺“, Proc. SPIE 2777 - Int. Symposium on Advanced Materials for Optics and Optoelectronics ALT 95, Prague, September 1995, 71-79
73. V. Matějec, I. Kašík, M. Pospíšilová : “Preparation and optical properties of silica optical fibers with an Al₂O₃-doped core”, J. Non-Cryst Solids 192&193 (1995) 195-198
74. V. Matějec, M. Chomát, M. Pospíšilová, M. Hayer, I. Kašík : “Optical fiber with novel geometry for evanescent-wave sensing”, Sensors & Actuators B29 (1995) 416-422
75. I. Kašík, V. Matějec : “New ways for influencing thermoforetic efficiency in the MCVD process”, J. Aerosol. Sci. 26 (1995) 399-406

Conference papers:

1. M. Pospíšilová, J. Aubrecht, T. Martan, J. Mrázek, I. Kašík, V. Matějec: „Dependence of detected intensity of fluorescence of dye on optical fiber tapered tip diameter“, The International Society for Optical Engineering (SPIE) 8073, 2011, 80731C
2. P. Honzátko, A. Dhar, I. Kašík, O. Podrazký, V. Matějec, P. Peterka, W. Blanc, B. Dussardier: „Preparation and characterization of highly thulium- and alumina-doped optical fibers for single-frequency fiber lasers“, Photonics, Devices and Systems V (SPIE) 8306, 2011, 830608
3. V. Matějec, F. Todorov, M. Jelínek, M. Fibrich, M. Chomát, V. Kubeček, I. Bartoň, T. Martan, D. Berková: „Preparation of spherical optical microresonators and their resonance spectra in air and gaseous acetone“, Photonics, Devices and Systems V (SPIE) 8306, 2011, 830605
4. F. Todorov, J. Čtyroký, V. Matějec, M. Chomát, D. Berková, I. Kašík, T. Martan, V. Kubeček, M. Jelínek, M. Fibrich: „Preparation and characterization of bottle optical microresonators with circular and hexagonal cross-sections“, Photonics, Devices and Systems V (SPIE) 8306, 2011, 83060Q
5. T. Martan, J. Aubrecht, O. Podrazký, I. Kašík, V. Matějec, J. Kaňka: „Microstructure optical fibres for detection of gaseous analytes“, The International Society for Optical Engineering (SPIE) 8073, 2011, 80731O
6. V. Matějec, F. Todorov, M. Jelínek, M. Fibrich, M. Chomát, V. Kubeček, D. Berková: „Sensitivity of silica microspheres modified by xerogel layers to acetone and ethanol“, The International Society for Optical Engineering (SPIE) 8073, 2011, 80730X
7. J. Mrázek, I. Kašík, J. Nekola, T. Martan, O. Podrazký, M. Pospíšilová, V. Matějec: „Preparation and characterisation of sensing layers for pH detection in living plant cells“, The International Society for Optical Engineering (SPIE) 8073, 2011, 807318
8. Martan, T., Pospíšilová, M., Aubrecht, J., Mrázek, J., Podrazký, O., Kašík, I., Matějec, V.: "Tapered optical fibres for local pH detection", Journal of Physics: Conference Series 206 (2010) art.no.012017.
9. Caron, S., Paré, C., Proulx, A., Grenier, P., Matějec, V.: "Velocity measurements comparison of water and pentane travelling in capillary optical fibers coated respectively with a xerogel and a poly(dimethylsiloxane) absorbing layer", Proceedings of SPIE - The International Society for Optical Engineering 7386 (2009) art.no. 73861E.
10. J. Mrazek, L. Spanhel, G. Chadeyron, V. Matejec : ” Preparation of ZnxTiyOz nanostructures and their optical properties”, in Proc. XV International Sol-Gel Conference Sol-Gel 09, Porto de Galinhas, 23-27.8.2009, 150 (poster)
11. V. Matejec, O. Podrazky, J. Mrazek, M. Hayer, M. Pospisilova, I. Kasik : ” Porous TiO2 layers applied onto silica fibers or inside silica capillaries and their pohotocatalytic activity”, in Proc. XV International Sol-Gel Conference Sol-Gel 09, Porto de Galinhas, 23-27.8.2009, 105 (oral)
12. M. Pospisilova, J. Petrasek, V. Matejec, I. Kasik : „Characterization of sensing layer onto the tip tapered fiber“, Proc. SPIE 7356, Optical Sensors 2009, 735624-1 – 735624-7
13. I. Kasik, T. Martan, O. Podrazky, J. Mrazek, M. Pospisilová, V. Matejec, „Local real-time detection of pH using fibre tapers“, Proc. SPIE 7356, Optical Sensors 2009, 73561U-1 – 73561U-6
14. O. Podrazky, I. Kasik, M. Pospisilová, V. Matejec :“ Alumina nanopowder and europium co-doped silica optical fibers“, Proc. TNT, Barcelona, 7.-11.9.2009 (poster)
15. F. Todorov, M. Chomat, J. Ctyroky, D. Berkova, V. Matejec, I. Kasik, J. Dunovsky : ”Investigaton of temperature and bend sensitivities of long period gratings inscribed with a CO2 laser in optical fiber with graded-index cladding”, Proc. Photonics 2008, New Delhi, December 2008 (poster).
16. V. Matějec, J. Mrázek, O. Podrazký, M. Hayer, M. Pospíšilová: Preparation and characterisation of silica optical fibers coated with TiO2 porous layers, Proc. 6th Journees Maghreb-Europe, Les Materiaux et Leurs Applications aux Dispositifs Capteurs (MADICA), Enset-Rabat, 30.10.2008- 1.11.2008
17. T. Martan, I. Kašík, O. Podrazký, J. Mrázek, M. Pospíšilová, J. Aubrecht, V. Matějec, J. Kaňka : „Local Detection of pH Using Optical Fibre Probes“, Proc. 6th Journees Maghreb-Europe, Les Materiaux et Leurs Applications aux Dispositifs Capteurs (MADICA), Enset-Rabat, 30.10.2008- 1.11.2008 A53-1 – A53-2 (oral)
18. F. Todorov, M. Chomat, D. Berkova, V. Matejec, I. Kasik, J. Kanka, J. Dunovsky : „Long-period gratings in a microstructure fiber with a planar array of air holes for directional bend sensing“, “, 6th Journees Maghreb-Europe, Les Materiaux et Leurs Applications aux Dispositifs Capteurs (Madica), Enset-Rabat, Morocco 30.10.2008- 1.11.2008, B13 (oral)
19. V. Matějec, J. Mrázek, O. Podrazký, M. Hayer, M. Zaharescu, A. Barau, L. Predoana: Preparation and Characterization of Xerogel Layers for Fiber Optic Detection of Gaseous Chemicals, International Conference of Physical Chemistry - ROMPHYSCHEM 13, Bucharest, 3.9.2008 – 5.9.2008
20. O. Podrazký, I. Kašík, M. Pospíšilová, V. Matějec: „Use of Nanoparticles for Preparation of Rare-Earth Doped Silica Fibers“, Trends in Nanotechnology 2008, Oviedo, 1.9.2008 – 5.9.2008 (poster)
21. T. Martan, J. Kaňka, I. Kašík, V. Matějec: „Tapered optical fibres for sensing“, Proc. SPIE 7138, Photonics Prague 2008, Prague, August 2008, 71380Z-1 – 71380Z-6.
22. V. Matějec, O. Podrazký, M. Hayer, M. Pospíšilová, D. Berková: Performance of Microstructure and Capillary Fibers for Detection of Toluene and Ethanol in Gaseous Phase, Photonics Prague 2008, 7 (oral).
23. I. Kašík, J. Mrázek, O. Podrazký, M Seidl, J. Aubrecht, M. Pospíšilová, P. Tobiška, V. Matějec, B. Kovacs, A. Markovics, M. Szili: “Detection of chlorine in water", 2008, Dublin, 30.3.2008-2.4.2008, poster.
24. T. Martan, O. Podrazký, I. Kašík, M. Pospíšilová, V. Matějec, J. Kaňka: “Fibre – Optic Local Detection of pH“, 2008, Dublin, 30.3.2008-2.4.2008, poster.
25. V. Matějec, J. Mrázek, M. Hayer, O. Podrazký, M. Pospíšilová: “Sensitivity of Capillary and Microstucture Fibers Modified by Xerogel Layers to Toluene Dissolved in Water“, 2008, Dublin, 30.3.2008-2.4.2008, poster.
26. M. Szilli, I. Kašík, V. Matějec, B. Kovacs:“Polyluminol Based Sensor for the Detection of Dissolved chlorine in Water“, 2008, Dublin, 30.3.2008-2.4.2008, poster.
27. F. Todorov, M. Chomát, D. Berková, J. Čtyroky, V. Matějec, I. Kašík, J. Dunovský, A. Jančárek: “Bend insensitive long-period gratings written with a CO2 laser in fiber with parabolic-index cladding”, Proc. SPIE 6830 - Advanced Sensor Systems and Applications III, Beijing, November 2007, 683005-1 – 683005-8
28. O. Podrazký, V. Matějec, G. Kuncová, M. Pospíšílová, J. Mrázek, 1. Kašík, K. Rose, N. Jaffrezic - Renault, S. Dzyadevych, L. Šasek, P. J. Scully: "Optical sensors for monitoring ofbioprocesses",Trendy v biomedicínském inženýrství, Prague, September 2007,287-290.
29. V. Matějec, J. Mrázek, O. Podrazký: "Preparation ofxerogellayers in microstructure and capillary fibers for the detection of gaseous oxygen and aromatic hydrocarbons", Book of Abstracts XIV th International Sol-gel Konference, Montpellier: ENSCM Communication - Ecole Nationale Superieure de Chimie de Montpellier, 2007, 541.
30. J. Mrázek, L. Špaňhel, V. Matějec: "Sol-gel processing and optical properties of Eu3+ ZnxTiyOz Nanostructures", Book of Abstracts XIVth International Sol-gel Konference, Montpellier: ENSCM Communication - Ecole Nationale Superieure de Chimie de Montpellier, 2007, 303.
31. T. Martan, J. Kaňka,O. Podrazký, 1. Kašík, V. Matějec : ,“Kónicky zúžená optická vlákna“, Optické komunikace, O. K. 2005, Praha, November 2007,121-127.
32. P. Šiška, J. Škápa., 1. Kašík, V. Matějec, V. Vašinek: A new area of optical fiber sensors: hybrid optical fibers based on redistribution of power, Book of Abstracts, 30.09.07-3.10.07 Capri, 2007, p.49.
33. M. Pospíšilová, P. Adámek, P. Peterka, V. Kubeček, I. Kašík, V. Matějec: "Spectral properties of Tm3+ - doped Al203-Ge02-P205-Sb203-Si02 preforms for optical fiber drawing", In book of abstracts of the Conf. Materiais, p. 82, Porto, Portugal, 1-4 April 2007
34. I. Kasik, V. Matejec, M. Chomat, M. Hayer, D. Berkova : ”Optical fibres for optical sensing“, In Optical Chemical sensors, Dordrech: Springer, 2006, 59-76.
35. F. Todorov, J. Dunovsky, L. Kolarik, P. Cisarovsky, M. Chomat, D. Berkova, V. Matejec, I. Kasik : “LPGs in singlemode optical fibers prepared by CO2 laser“, In Proceedings of Workshop 2006, Prague, Czech Technical University, 2006, 468-469.
36. V. Matejec, J. Mrazek, M. Hayer, D. Berkova, I. Kasik, M. Chomat : “Sensitivity of capillary and microstructure fibers modified by xerogel layers with Ru-complex to gaseous oxygen“, Proc. 8th Europt®ode, Tübingen, April 2006, 125.
37. M. Chomat, V. Matejec, I. Kasik, J. Ctyroky, D. Berkova, M. Hayer, J. Kanka, F. Todorov, A. Jancarek : “Novel optical fibers for the inscription of long-period gratings“,In Photonics, Devices, and Systems III. Proceedings from Photonics Prague 2005. Bellingham : SPIE 6180 The International Society for Optical Engineering, 2006, 61800X.1-61800X.7
38. J. Mrazek, V. Matejec, M. Hayer, J. Skokankova, I. Kasik, D. Berkova, F. Kostka : “Capillary optical fibers modified by xerogel layers for chemical detection“,In Photonics, Devices, and Systems III. Proceedings from Photonics Prague 2005. Bellingham : SPIE 6180 The International Society for Optical Engineering, 2006, 618013.1-618013.6.
39. V. Matejec, M. Hayer, I. Kasik, J. Mrazek, P. Peterka, J. Kanka, P. Honzatko : “Microstructure fibers for the development of fiber lasers“, In Photonics, Devices, and Systems III. Proceedings from Photonics Prague 2005. Bellingham : SPIE 6180 The International Society for Optical Engineering, 2006, 61800Z.1-61800Z.6.
40. P. Peterka, I. Kasik, V. Kubecek, V. Matejec, M. Hayer, P. Honzatko, A. Zavadilova, P. Dvoracek: “Optimization of erbium-ytterbium fibre laser with simple double-clad structure“, In Photonics, Devices, and Systems III. Proceedings from Photonics Prague 2005. Bellingham : SPIE 6180 The International Society for Optical Engineering, 2006, 618010.1-618010.6.
41. P. Solarik, Z. Burian, I. Kasik, V. Matejec, J. Mrazek, M. Hayer : “Dielectric annular core fiber for optical sensing“, Photonics Europe. Strasbourg, March 2006, 215
42. P. Solarik, Z. Burian, I. Kasik, V. Matejec, J. Mrazek, M. Hayer: “Dielectric annular core fiber for optical sensing“, In Proc. SPIE - The International Society for Optical Engineering. Bellingham : SPIE 6180 The International Society for Optical Engineering, 2006, 61891R.1-61891R.9.
43. P. Peterka, V. Kubecek, I. Kasik, V. Matejec, W. Blanc, B. Dussardier : “Thulium-doped silica-based optical fibers for cladding pumped fiber amplifiers and lasers“, ISLNOM-4. 4th International Symposium on Laser, Scintillator and Non Linear Optical Materials. Abstract Book. Praha : Czech Technical University in Prague, Faculty of Nuclear Science and Physical Engineering, 2006, 127.
44. P. Peterka, V. Kubecek, P. Dvoracek, I. Kasik, V. Matejec : “Laser performance of double-clad Er/Yb doped fiber with cross-section tailored for direct splicing to the pump and signal fiber“, In CLEO/GELS'06 and PhAST - Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Conference on Photonic Applications, Systems and Technologies 2006 Technical Digest CD-ROM. Washington: Optical Society of America, 2006, CTuQ7.pdf.
45. J. Mrazek ,V. Matejec, D. Niznansky, J. Skokankova, I. Kasik : ”Preparation and characterization of xerogel layers doped with noble metals nanoparticles“, Proc. Romphyschem 12, Bucharest : "Ilie Murgulescu" Institute of Physical Chemistry Romania, September 2006, lecture.
46. V. Matejec, M. Hayer, J. Mrazek, I. Kasik, O. Podrazky, M. Pospíšilova : “Performance of the sol-gel method for the preparation of optical fibers“, Proc. Romphyschem 12, Bucharest : "Ilie Murgulescu" Institute of Physical Chemistry Romania, September, 2006, 243.
47. I. Kasik, V. Matejec, M. Chomat, D. Berkova, M. Hayer, J. Mrazek, O. Podrazky: ”Optical fibers for optical sensing“, Proc. ASCOS 2006, Tihany, Hungary, September 2006, invited lecture
48. K. Kolacek, J. Schmidt ,V. Prukner, O. Frolov, J. Straus, V. Stelmashuk, M. Martinkova, V. Matejec, I. Kasik: “CAPEX-U – a new driver for discharge-pumped lasers working on the wavelength below 15 nm“, In 10th Int. Conference on X-ray Lasers, XRL 2006 Conference Program and Book of Abstracts.Berlin 2006, 85.
49. M. Chomat, D. Berkova, J. Ctyroky, V. Matejec, I. Kasik, M. Salvia, F. Todorov, A. Jancarek: ”Structural bend sensing with long-period fiber gratings“, MADICA 2006. Recueil des Resumes. Monastir, 2006, 127.
50. J. Ctyroky, M. Chomat, V. Matejec : ”Analysis of bending effects in LPGs in parabolic GI cladding fibres“, MADICA 2006. Recueil des Resumes. Monastir, 2006,125.
51. V. Matejec, J. Mrazek, M. Hayer, O. Podrazky, J. Kanka, I. Kasik : ”Sensitivity of microstructure fibers to gaseous oxygen“, MADICA 2006. Recueil des Resumes.Monastir, 2006, 94.
52. F. Todorov, J. Dunovsky, L. Kolarik, M. Chomat, D. Berkova,V. Matejec : ”Multiple inscription of long-period gratings into single-mode optical fibers by a CO2 laser“, MADICA 2006. Recueil des Resumes. Monastir, 2006, 122.
53. I. Kasik, J. Mrazek, O. Podrazky ,M. Seidl, P. Tobiska, V. Matejec, B. Kovacs, A. Markovics, M. Szili : ”Preparation and characterization of thin sensitive layers for opto-electrochemical detection of chlorine in water“, MADICA 2006. Recueil des Resumes. Monastir, 2006,57.
54. J. Mrazek, V. Matejec, I. Kasik : ”Preparation and characterization of distributed fiber-optic sensors based on the localized surface plasmon resonance. MADICA 2006. Recueil des Resumes. Monastir, 2006, 85.
55. F. Todorov, J. Dunovsky, L. Kolarik, P. Kosek, M. Chomat, D. Berkova, V. Matejec: ”Long-period gratings in optical fibers prepared by a CO2 laser“, Proc.CO-MA-TECH 2006 Bratislava, 2006, 209.
56. M. Zaharescu,A. Barau, L. Predoana, M. Gartner, A. Ghita, J. Mrazek, J. Skokankova, V. Matejec : ”TiO2-SiO2 sol-gel hybrid films for toluene detection“, Proc. XI Conf. on Physics of Non Crystalline Solids. Athens, 2006, 163.
57. F. Todorov, A. Jancarek, J. Dunovsky ,L. Kolarik, M. Chomat, D. Berkova, V. Matejec : ”Long-period gratings inscribed into single-mode optical fibers by a CO2 laser“, Laser physics and applications 2006. Sofia, 2006, 97.
58. A. Jancarek, P. Bittner, M. Chomat, D. Berkova, V. Matejec, I. Kasik, M. Vrbova, J. Dunovsky : “Long-period grating written into special-way graded-index fiber“, In ICOL - 2005. Conference Proceedings. Dehradun: Instruments Research & Development Establishment, 2005. PP-FIO-11, International Conference on Optics and Optoelectronics ICOL - 2005. Symposium of the Optical Society of India /31./, Dehradun, 12.-15.12.2005.
59. F. Todorov, J. Dunovsky , L. Kolarik, P. Cisarovsky, M. Chomat, D. Berkova, V. Matejec, I. Kasik : “Inscription of LPGs into IGI optical fibers by a CO2 laser“, Proc. CO-MAT-TECH Trnava 2005, 20.-21. October 2005, 184.
60. J. Slanicka, P. Peterka,V. Matejec, I. Kasik, M. Pospisilova : “Tomograficka rekonstrukce geometrie a profilu lomu preforem.“, Proc. Opticke komunikace O.K.2005. Praha,October 2005, 121-127.
61. A. Zavadilova, V. Kubecek, I. Kasik, V. Matejec : “Erbium - Ytterbium fiber laser with simple double-clad waveguide”, Proc. OAA, Vienna, March 2005.
62. P. Peterka, I. Kasik, V. Matejec, P. Honzatko, J. Slanicka : “Novel method for end-pumping of double-clad fiber amplifiers: Principle and tailoring the cross section“, Proc. OAA, Budapest, August 2005.
63. P. Peterka, I. Kasik, V. Matejec, J. Kanka, M. Karasek, M. Hayer, J. Slanicka : “Novel coupling element for end-pumping of double-clad fibers“, ECOC 2005,755 – 756.
64. V. Matějec, J. Mrázek, M. Hayer, D. Berková, J. Kaňka, I. Kašík: „Preparation and characterisation of xerogel detection layers applied in capillary or microstructure optical fibers“, 13th International Workshop on SOL-GEL SCIENCE AND TECHNOLOGY, Los Angeles, USA, august 2005, p. 123, extended to J. Sol. Science
65. J. Mrázek, V. Matějec: „Preparation and optical properties of xerogel layers doped by silver nanoparticles for fiber-optic sensors“, 13th International Workshop on SOL-GEL SCIENCE AND TECHNOLOGY, Los Angeles, USA, august 2005, p. 453 poster, extended to J. Sol. Science
66. J. Mrázek, V. Matějec, M. Hayer, j. Skokánková, I. Kašík, D. Berková, F. Kostka: „Capillary optical fibers modified by xerogel layers for chemical detection“, Book of abstracts Photonics Prague 2005, The 5th International Conference on Photonics, Devices and Systems, p. 183, 2005
67. P. Peterka, I. Kašík, V. Kubeček, v. Matějec, M.Hayer, P. Honzátko, A. zavadilová, P. dvořáček: „Optimalization of erbium-ztterbium fibre laser with simple double-clad structure“, Book of abstracts Photonics Prague 2005, The 5th International Conference on Photonics, Devices and Systems, p. 95, 2005, submitted proc. SPIE
68. M. Chomát, V. Matějec, I. Kašík, J. Čtyroký, D. Berková, M. Hayer, J. Kaňka, F. Todorov, A. Jančárek: „Novel optical fibers for the inscription of long-period gratings“, Book of abstracts Photonics Prague 2005, The 5th International Conference on Photonics, Devices and Systems, p. 53, 2005, submitted proc. SPIE
69. V. Matějec, M. Hayer, I. Kašík, J. Mrázek, P. Peterka, J. Kaňka, P. Honzátko: „Microstructure fibers for the development of fiber lasers“, Book of abstracts Photonics Prague 2005, The 5th International Conference on Photonics, Devices and Systems, p. 77, 2005, submitted proc. SPIE
70. P. Císařovský, P. Dunovský, L. Kolařík, F. Todorov, I. Kašík, V. Matějec: „The record of long-period gratings in single-mode fibers by CO₂ laser“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, oral presentation B53
71. M. Chomát, D. Berková, V. Matějec, I. Kašík, J. Kaňka, R. Slavík, A. Jančárek, P. Bittner: „Response f long-period gratings fabricated in s graded-index optical fibers to refractive-index changes“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, oral presentation B51
72. V. Matějec, J. Mrázek, M. Hayer, I. Kašík, P. Peterka, J. Kaňka, P. Honzátko, D. Berková: „Microstructure fibers for gas detection“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, oral presentation A33
73. J. Čtyroký, M. Chomát, V. Matějec: „Analysis of long-period gratings inscribed in the core of a fiber with inverse parabolic index cladding“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, P II-24 submitted to Mat. Sci. and Eng.
74. J. Mrázek, V. Matějec, M. Chomát: „Comparison of evanescent-wave and leaky-wave fiber optic sensing structures for gas detection“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, P I-25 submitted to Mat. Sci. and Eng.
75. J. Skokánková, J. Mrázek, V. Matějec, M. Hayer, I. Kašík, M. Chomát, D. Berková: „Properties of xerogel layers for detection of toluene in water“, Recueil des Resumes Madica 2004, Tunis, Tunisia, November 2004, P I-24, submitted to Mat. Sci. and Eng.
76. P. Peterka, P. Dymák, P. Honzátko, V. Matějec, J. Kaňka, T. Martan, B. Vraný, D. Kacik, W. Padden, K. Lyytikainen: „Měření chromatické disperze a dvojlomu mikrostrukturních optických vláken“, O.K. 2004, Praha, October 2004, p. 137-143
77. A. Zavadilová, V. Kubeček, I. Kašík, V. Matějec: „Lasery na bázi dvouplášťových vláken vyrobených v ÚRE AVČR“, Optické komunikace, O.K. 2004, Praha, October 2004, p. 233-238
78. V. Matějec, M. Chomát, I. Kašík: „Optická vlákna pro chemické senzory“, Optické komunikace, O.K. 2004, Praha, October 2004, p. 107-113, oral presentation
79. I. Kašík, V. Matějec, M. Chomát, M.Hayer, D. Berková : “Optical Fibres for Optical Sensing”, invited lecture ASCOS, Erice, Italy, 29 July- 10 August 2004
80. F. Todorov, J. Dunovský, P. Císařovský, L. Kolařík, A. Jančárek, M. Chomát, D. Berková, V. Matějec, I. Kašík: „Long-period gratings in single-mode optical fibers prepared by CO₂ lasers“, Proc. Sci-Tech. Union of Mechanical Engineering, II Int. Conf. „Management and Engineering‘03“, Sophia, Bulgaria, May 2004, p. 390-391
81. I. Kašík, V. Matějec, M. Chomát, M. Hayer, D. Berková, J. Mrázek, J. Skokánková: “Silica-based optical fibres with tailored refractive-index profiles in the region of 1.46-1.52 for evanescent-wave chemical detection”, Proc. 7th Europtrode, Madrid, April 2004, P27
82. V. Matějec, J. Mrázek, M. Hayer, I. Kašík, P. Honzátko, P. Peterka, J. Kaňka: “Effects of sol-gel modification of microstructure fibres on their sensitivity to gaseous toluene”, Proc. 7th Europtrode, Madrid, April 2004, P83
83. K. Rose, S. Dzadevic, N. Jaffrezic-Renault, O. Podrazký, G. Kuncová, J. Mrázek, V. Matějec, J. Young: “Employment of Ormocers for the fabrication of layers sensitive to oxygen and glucose”, Proc. 7th Europtrode, Madrid, April 2004, P23
84. J. Skokánková, J. Mrázek, V. Matějec, D. Berková, M. Chomát, I. Kašík, P. Šimůnková, A. Szatvanyi, M. Zaharescu, M. Raileanu: “Sensitivity of xerogel layers applied on silica optical fibres top toluene dissolved in water”, Proc. 7th Europtrode, Madrid, April 2004, P25
85. V. Matějec, M. Hayer, I. Kašík, J. Mrázek, P. Honzátko, P. Peterka, J. Kaňka : „Evanescent-wave sensing of hydrocarbons by using microstructure fibers“, Proc. 1st Int. Meeting on Applied Physics, Badajoz, October 2003, p.903
86. I. Kašík, V. Matějec, M. Chomát, M. Hayer, J. Mrázek, J. Skokánková : “Silica-based optical materials with tailored refractive-index profiles in the region of 1,45-1,50 for fiber-optic chemical detection”, Proc. 1st Int. Meeting on Applied Physics, Badajoz, October 2003, p.826
87. M. Chomát, D. Berková, V. Matějec, I. Kašík, A. Jančárek, M. Vrbová, J. Dunovský, P. Císařovský : “Long-period gratings written by a CO₂ laser in fibers of several types under different recording conditions”, Proc. 1st Int. Meeting on Applied Physics, Badajoz, October 2003, p.836
88. P. Peterka, I. Kašík, V. Matějec : „Optimální tvar průřezu vlákna pro pláštěm čerpané vláknové lasery a zesilovače”, Proc. Optické komunikace, Praha, Září 2003, p.
89. A. Zavadilová, V. Kubeček, P. Honzátko, I. Kašík, V. Matějec : “Diodově buzený Er:Yb vláknový laser”, Proc. Optické komunikace, Praha, Září 2003, p.
90. J. Mrázek, V. Matějec, I. Kašík, D. Berková : “Preparation of doped hydrophobic layers on optical fibers”, Romphyschem 11, Timisoara, September 2003, poster
91. J. Mrázek, V. Matějec, M. Hayer, I. Kašík, D. Berková : „Application of the sol-gel method at the fabrication of microstructure fibers“, Proc. XIIth Int. Workshop on Sol-Gel Science and Technology, Sydney, August 2003, p.713
92. V. Matějec, J. Mrázek, J. Skokánková, M. Chomát, I. Kašík : “Optical properties and sensitivity of xerogel layers for fiber-optic hydrocarbon sensors”, Proc. XIIth Int. Workshop on Sol-Gel Science and Technology, Sydney, August 2003, oral O56
93. J. Mrázek, V. Matějec, I. Kašík : „Sol-gel preparation and characterization of xerogel detection parts of fiber-optic chemical sensors“, Proc. Študentská vedecká konferencia, Bratislava, April 2003, p.248
94. J. Skokánková, V.Matějec, M.Chomát : “Sensitivity of polymer-clad silica optical fiber to toluene in water”, Proc. Študentská vedecká konferencia, Bratislava, April 2003, p.142
95. I. Kašík, V. Matějec, M. Chomát, M. Hayer : “Special optical fibers for chemical sensing”, Proc. ASCOS 2002, Wroclaw, September 2002, 1-6
96. V. Matějec, I. Kašík, M. Hayer, J. Kaňka, P. Peterka : “Fabrication and characterisation of microstructure fibers with silica cores”, Proc. Photonics 2002 - Photonics, devices and systems /4/, Prague, May 2002, 115
97. P. Peterka, P. Honzátko, J. Kaňka, V. Matějec, I. Kašík : “Generation of high repetition rate pulse trains in a fibre laser through a twin-core fibre”, Proc. Photonics 2002 - Photonics, devices and systems /4/, Prague, May 2002, 103
98. M. Chomát, D. Berková, V. Matějec, G. Kuncová, I. Kašík : “An optical sensor with a PCS sensing fiber for the detection of hydrocarbons in flowing water”, Proc. Photonics 2002 - Photonics, devices and systems /4/, Prague, May 2002, 56
99. I. Kašík, V. Matějec, M. Chomát, D. Berková, G. Kuncová : “Sensitivity of an IGI fiber with the germanium oxide-doped silica core to the refractive-index changes of the optical cladding”, Proc. Photonics 2002 - Photonics, devices and systems /4/, Prague, May 2002, 65
100. V. Matějec, M. Chomát, D. Berková, J. Mrázek : “Detection of hydrocarbons dissolved in water by using PCS fibers excited by an inclined collimated beam”, Proc. Europtrode VI, Manchester, April 2002, p.197
101. M. Chomát, D. Berková, V. Matějec, I. Kašík, G. Kuncová : “Detection of aqueous solutions of toluene by means of an IGI fiber in a flow cell”, Proc. Europtrode VI, Manchester, April 2002, p.149.
102. P. Peterka, P.Honzátko, J. Kaňka, I. Kašík, V. Matějec : “Measurement of intermodal dispersion in a twin-core fibre filter”, Proc. OFMC'01 - Optical Fibre Measurement Conference /6./, Teddington, September 2001, 221-224
103. V. Matějec, D. Berková, M. Hayer, I. Kašík, P. Peterka : “Sol-gel fabrication and properties of silica optical fibers doped in the core with Bi2O3 and rare earth elements “, Proc. Sol-Gel 1981-2001, Padova, September 2001, 206-207
104. V. Matějec, D. Berková, M. Chomát, I. Kašík, J. Skokánková, F. Bardin, A. Trouillet, H. Gagnaire, F. Abdelmalek : “Etude théorique et expérimentale de la sensibilité d'une fibre IGI excitée par un faisceau collimaté en incidence oblique pour la détermination des variations d'indice de réfraction”, Proc. MADICA'2001 - Les Matériaux et leurs Applications aux Dispositifs Capteurs Physiques, Chmiques et Biologiques, Hammamet, October 2001, 129
105. M. Chomát, D. Berková, V. Matějec, I. Kašík, G. Kuncová, H. Gagnaire, A. Trouillet, F. Bardin : “Optical detection of toluene in water by using IGI fibers”, Proc. MADICA'2001 -Les Matériaux et leurs Applications aux Dispositifs Capteurs Physiques, Chmiques et Biologiques, Hammamet, October 2001, 45
106. F. Bardin, A. Trouillet, C. Veillas, H. Gagnaire, V. Matějec, I. Kašík, M. Chomát, D. Berková : “Capteur á fibre optique á plasmon de surface pour la détection de toluéne dans l'eau”, Proc. MADICA'2001 - Les Matériaux et leurs Applications aux Dispositifs Capteurs Physiques, Chmiques et Biologiques, Hammamet, October 2001, 46
107. V. Matějec, D. Berková, M. Chomát, M. Hayer, I. Kašík : “Interaction of xerogel layers with vapours and liquids studied by evanescent-wave spestroscopy”, Proc. 10th Conference on Physical Chemistry, Iasi, September 2000, SY.SG TL2
108. V. Matějec, I. Kašík, D. Berková, M. Hayer, Z. Berka, A. Langrová : “Properties of glass cores of optical fibers prepared via coating of thin layers into glass substrate tubes”, Proc. Solid State Chemistry 2000, Prague, September 2000, 81
109. I. Kašík, V. Matějec, M. Chomát, M. Hayer : “Special optical fibers for chemical sensing”, Proc.ASCOS 2000 - Optical Chemical Sensors and Biosensors Conference, Rogaška Slatina, September 2000
110. M. Chomát, V. Matějec, D. Berková, I. Kašík : “Evanescent-field detection of refractive-index changes with IGI fibres”, inv.lecture - University Jean-Monnet, Saint-Etienne, June 2000
111. Bardin, F. - Trouillet, A. - Veillas, C. - Gagnaire, H. - Matějec, V. - Berková, D. - Chomát, M. Fibre optique a gradient d'indice parabolique inverse pour la detcetion d'especes chimiques. Recueil des Communications JNOG 99. - Limoges, CNRS 2000.
112. I. Kašík, D. Berková, V. Matějec, K. Rose, G. Kuncová, G. Kejmarová : “Interaction of gaseous CO₂ with copper complexes of ephedrine or nonephedrine entrapped in sol-gel matrices”, Proc. 5th Europt(r)ode, Lyon, April 2000, 175-176
113. M. Chomát, D. Berková, V. Matějec, I. Kašík, M. Hayer, G. Kuncová, Z. Berka: “Detection of hydrocarbons by means of PCS and IGI fibres excited in various ways”,Proc. 5th Europt(r)ode, Lyon , April 2000, 141-142
114. E. Chailleux, M. Salvia, N. Jaffrezic-Renault, V. Matějec, I. Kašík : “In-situ cure monitoring of an epoxy-amine system using a fibre-optic sensor”, Proc. 5th Europt(r)ode, Lyon, April 2000, 137-138
115. Peterka, P. - Procházka, A. - Matějec, V. :“Využití měření poloměru stopy pole offset metodou pro charakterizaci Er/Yb dopovaných vláken“, Optické komunikace - O.K.'99. - S. 174-178.
116. E. Chailleux, M. Salvia, N. Jaffrezic-Renault, V. Matějec, I. Kašík: “A fibre optic sensor for monitoring the polymer cure process”, Proc. Photonics’99, Prague, June 1999, 35
117. M. Chomát, V. Matějec, J. Čtyroký, I. Kašík, D. Berková, M. Hayer, Z. Berka, H. Gagnaire, A. Trouillet: “Modified graded-index fibers for chemical sensing”, Proc. Photonics’99, Prague, June 1999, 89
118. J. Kaňka, P. Honzátko, P. Peterka, I. Kašík, V. Matějec : “Line-narrowing and wavelenghth stabilization in a tunable Er-Yb fibre ring laser with an Er twin-core fibre”, Proc. Photonics’99, Prague, June 1999, 97
119. J. Kaňka, P. Peterka, P. Honzátko, V. Matějec, I. Kašík : “Performance and characterisation of twin-core fibre filter in fibre laser”, Proc. OFMC’99, Nantes, 1999
120. M. Hayer, V. Matějec, D. Berková, I. Kašík, J. Kaňka : “Effect of high-temperature treatment on optical properties of silica film doped with Al₂O₃, P₂O₅ and rare-earth elements”, Proc. 10th Int. Workshop on Glasses, Ceramics, Hybrids and Nanocomposites from Gels, Tokyo, September 1999, poster
121. I. Kašík, V. Matějec, M. Chomát, M. Hayer, F. Abdelmalek : “Les fibres optiques de silice modifiées pour la detection dspeces chemiques a lide de lde evanescente”, Proc. Madica‘98, Monastir, November 1998, poster
122. D. Berková, M. Chomát, I. Kašík, V. Matějec, Z. Berka: “Detection dydrocarbures a lide de fibres PCS courbees et de filtre de modes optiques”, Proc. Madica‘98, Monastir, November 1998, poster
123. M. Chomát, V. Matějec, D. Berková, I. Kašík, M. Sedlář : “Transducteurs pour la detection chemique dspéces á lide de fibres optiques recouvertes par des couches poreuses”, Proc. Madica‘98, Monastir, November 1998, poster
124. J. Sochor, F. Abdelmalek, D. Berková, M. Sedlář, I. Kašík, V. Matějec, M. Chomát, N. Jaffrezic-Renault, H. Gagnaire : “Detection of refractive-index changes by means of optical fibers coated with dried gel layers”, Proc. 8th Vienna Opt®ode Workshop, Prague, October 1998, 77-78
125. D. Berková, M. Chomát, V. Matějec, I. Kašík, Z. Berka : “Detection of liquid hydrocarbons by means of sensing modules built of bent PCS optical fibers”, Proc. 8th Vienna Opt®ode Workshop, Prague, October 1998, 34-35
126. M. Chomát, I. Kašík, V. Matějec, J. Čtyroký, D. Berková, H. Gagnaire : “ Detection of refractive-index changes by means of the inverted-graded index optical fibers”, Proc. 8th Vienna Opt®ode Workshop, Prague, Ocober 1998, 41-42
127. P. Peterka, J. Kaňka, P. Honzátko, V. Matějec, I. Kašík : “Dvoujádrové optické vlákno - návrh, výroba, měření”, Proc. Optické komunikace 98, Prague, October 98
128. V. Matějec, M. Chomát, I. Kašík, J. Čtyroký, D. Berková, M. Hayer: “Inverted-graded index fiber structures for evanescent-wave chemical sensing”, Proc. 4th Europt(r)ode, Munster, April 1998, 185-186
129. I. Kašík, M. Pospíšilová, V. Matějec, M. Chomát, K. Rose, L. Šašek : “Sensitivity of silica optical fibers coated with ORMOCERS to gaseous CO₂”, Proc. 4th Europt(r)ode, Munster, April 1998, 273-274
130. F. Abdelmalek, M. Lacroix, J. M. Chovelon, N. Jaffrezic-Renault, D. Berková, V. Matějec, I. Kašík, M. Chomát : “Consequences of TiO₂ doping on the optical properties of the optical fiber sensor coated with porous silica”, Proc. 4th Europt(r)ode, Munster, April 1998, 65-66
131. Matějec, I. Kašík, D. Berková, M. Hayer, J. Kaňka : “Sol-gel fabrication and properties of silica cores of optical fibers doped with Yb³⁺, Er3+, Al₂O₃, or TiO₂”, Proc. 9th Int. Workshop on Glasses, Ceramics, Hybrids and Nanocomposites from Gels, Sheffield, September 1997, 183
132. A. Abdelghani, N. Jaffrezic-Renault, M. Lacroix, D. Berková, M. Sedlář, V. Matějec, I. Kašík, M. Chomát : “Fabrication and properties of doped porous polysiloxane sol-gel layers on optical fibers”, Proc. 9th Int. Workshop on Glasses, Ceramics, Hybrids and Nanocomposites from Gels, Sheffield, September 1997, 50
133. I. Kašík, V. Matějec, J. Kaňka, D. Berková : “Fabrication and properties of materials for Er³⁺ doped Yb³⁺ sensitized high power lasers”, Proc. Materials for Nonlinear Optics, Capri, July 1997, 154-155
134. I. Kašík, M. Hayer, M. Pospíšilová, V. Matějec, M. Chomát, K. Rose : “Ormocers and sectorial fibers - novel means of intrinsic fiber-optic sensors”, Proc. 7th Vienna Opt(r)ode Workshop, Regensburg, October 1996, poster
135. I. Kašík, V. Matějec : “Rare-earth doped silica glasses prepared by the MCVD method for drawing of optical fibers”, Proc. Amorphous Insulators & Semiconductors Workshop NATO ASI, Sozopol, May 1996, P5
136. V. Matějec, M. Hayer, M. Pospíšilová, I. Kašík : “Using of siloxane polymers for immobilization of chemical transducers for evanescent-wave sensing”, Proc. 6th Vienna Opt(r)ode Workshop, Vienna, October 1995, P5
137. V. Matějec, M. Hayer, M. Pospíšilová, I. Kašík : “Preparation of optical cores of silica optical fibers by the sol-gel method”, Proc. 8th Int. Workshop on Glasses and Ceramics from Gels, Faro, September 1995, 83
138. M. Chomát, V. Matějec, M. Pospíšilová, I. Kašík : “Evanescent-wave detection of refractive-index changes using coated multimode sensing fibers”, Proc. Photonics 95, Vol. 2A, Prague, August 1995, 269-272
139. I. Kašík, V. Matějec, M. Pospíšilová, J. Kaňka, J. Hora : “Preparation and properties of Yb³⁺ sensitized Er³⁺ doped optical fibers”, Proc. Photonics 95, Vol. 2A, Prague, August 1995, 261-264
140. A. Daříčková, V. Matějec, M. Pospíšilová, M. Chomát, I. Kašík : “Silica optical fibers doped in the core with special dopants and their sensitivity to ionizing radiation”, Proc. Photonics 95, Vol. 2A, Prague, August 1995, 257-260
141. V. Matějec, I. Kašík, M. Pospíšilová, J. Kaňka : “Preparation, structure and optical properties of Al doped silica glass core of optical fibres”, Proc 6th Int. Conf. on the structure of Non-Cryst. Mat., Prague, August 1994, 161
142. V. Matějec, M. Chomát, M. Pospíšilová, I.Kašík, Z. Bartoň : “Novel optical fiber for evanescent-wave sensing”, Proc. 2nd Europt®ode, Firenze, April 1994, 191