Ivo Bartoň, Ph.D.

Research interests:

• Development and characterization of specialty optical fibers for high power lasers and fiber sensors. 
• Characterization morphology and optical properties of nanomaterials by electron microscopy and optical spectrophotometry, ellipsometry.

Professional activities:

2007 - today: Institute of Photonics and Electronics of the CAS, Postdoc position since 2019

2010: Operator at fabrication of jewelery surface treatment, Similizovna - Preciosa a.s. Mínkovice, Liberec

2007: Operator in Glass workshop, Preciosa a.s. Jablonec nad Nisou

Awards:

2012: Award of the Czech Glass Society and Department of Glass and Ceramics of UCT Prague for the best diploma thesis „ Kinetic of decomposition of organic colors employing optical fibers coated with TiO2 nanoparticles"

Education:

2023 - Postdoctoral fellowship - Łukasiewicz the Institute of Microelectronics and Photonics (Łukasiewicz – IMiF), Warsaw, Poland, Reaserch division of Fiber-Optic and Quantum Technologies and Systems – 6 months

2012 - 2019: The University of Chemistry and Technology, Prague, Department of Glass and Ceramics - Ph.D. study, Field of Study: Chemistry and Technology of Inorganic Materials

Topic: Preparation and characterization of thin layers for photonics by sol-gel method
Supervisor: Prof. Josef Matoušek, Dr.Sc.
Consultant: Vlastimil Matějec, Ph.D.

2010 - 2012:  The University of Chemistry and Technology, Prague, Department of Glass and Ceramics - MS degree, Field of Study: Chemistry and Technology of Inorganic Materials

Diploma thesis: Kinetic of decomposition of organic colours employing optical fibers coated with TiO2 nanoparticles
Supervisor: Prof. Josef Matoušek, Dr.Sc.
Consultant: Vlastimil Matějec, Ph.D.

2007 - 2010:  The University of Chemistry and Technology, Prague, Department of Glass and Ceramics - bachelor study, Field of Study: Chemistry and Technology of Inorganic Materials

Bachelor thesis: Preparation, characterization and photocatalytic activity of TiO2 layer deposited on optical fibers
Supervisor: Prof. Ing. Josef Matoušek, DrSc
Tutor: Vlastimil Matějec, Ph.D.

2003 - 2007: The High School of Applied Arts for Glassmaking in Železný Brod. Specilization Technology of glassmaking, graduated by school-leaving exam in 2007

Current research projects:

Member of projects:

• Low-phonon energy transparent ceramic luminophores emitting in the short- and mid-infrared
• Transparent ceramics optical fibers for lasers operating around 2.9 μm
• Novel nanostructured optical fibers for fiber lasers operating at dual wavelengths

Selected past projects:

member of the projects:

• Bragg fibers for delivery of high laser powers
• Regulation of morphogenesis of plant cells and organs
• Design, preparation and characterization of novel types of optical microresonators for chemical detection
• Optical fibers modified by nanostructured photocatalytic layers with high activity in visible spectrum

Publications

Journal papers:

1. O. Podrazký, J. Mrázek, P. Vařák, J. Proboštová, I. Bartoň, et al. Nanocrystalline ceramic coatings for the capillary fiber lasers. Proceedings Volume 12573, Specialty Optical Fibres; 125730X (2023). Link 
2. V. Matějec, I. Kašík and I. Bartoň. Fiber-Optic Nanosensors for Chemical Detection. Chemosensors 2023, 11(10), 521. Link 
3. Jan Mrázek, Soňa Kamrádková, Jiří Buršík, Roman Skála, Ivo Bartoň, Petr Vařák, Yauhen Baravets & Ondřej Podrazký. Nanocrystalline (HoxY1−x)2Ti2O7 luminophores for short- and mid-infrared lasers. Journal of Sol-Gel Science and Technology. ISSN: 0928-0707, eISSN: 1573-4846 (2023). Link
4. Ivo Bartoň, Vlastimil Matějec, Ondřej Podrazký. Capillary optical fibers based on SiO2 –TiO2–P2O5 and TiO2–P2O5 internal coatings prepared by sol-gel method. Journal of Sol-Gel Science and Technology (2023). Link. 
5. P. Vařák, I. Kašík, P. Peterka, J. Aubrecht, J. Mrázek, M. Kamrádek, O. Podrazký, I. Bartoň, M. Franczyk, R. Buczynski, P. Honzátko. Heat treatment and fiber drawing effect on the luminescence properties of RE-doped optical fibers (RE = Yb, Tm, Ho). Optics Express Vol. 30, Issue 6, pp. 10050-10062 (2022). Link
6. Mrázek, J., Bysakh, S., Skála, R., Mráček, A., Dhar, A., Bartoň, I., Kašík, I. Crystallization kinetics and structural properties of nanocrystalline europium-yttrium-titanate (Eu0.5Y0.5)2Ti2O7. Advanced Powder Technology 33, 103501 (2022). Link
7. P. Vařák, J. Mrázek, A. A. Jasim, S. Bysakh, A. Dhar, M. Kamrádek, O. Podrazký, I. Kašík, I. Bartoň, P. Nekvindová „Thermal stability and photoluminescence properties of RE-doped (RE = Ho, Er, Tm) alumina nanoparticles in bulk and fiber-optic silica glass,“ Optical Materials, Vol. 118, 111239, (2021). Link
8. J. Mrázek, L. Spanhel, V. Matějec, I. Bartoň, R. Džunda, V. Puchý, „Nanocrystalline Zn2TiO4 films for distributed Bragg's reflectors operating in near infrared region“, Optical Materials, Vol. 112 (2021). Link
9. V. Matějec, I. Bartoň, M. Pospíšilová, L. Traplová: „Extrinsic Fiber Optic Sensor for Detection of Saliva pH”, Chemistry Africa (2019). Link
10. I. Bartoň, V. Matějec, J. Mrázek, L. Predoana, M. Zaharescu, Properties of silica and silica-titania layers fabricated from silica sols containing fumed silica, OPTICAL MATERIALS, Volume 77, Pages 187-197, (2018)
11. V. Matějec, J. Pedlíková, I. Bartoň, Optical properties of As2S3 layers deposited from solutions obtained by chemical reaction, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY   Volume: 87, Issue: 3, Pages: 696-703 (2018)
12. V. Matějec, J. Pedlíková, I. Bartoň, Optical properties of arsenic sulfide films fabricated by reaction of arsenic trichloride and thiourea in n-propylamine solution JOURNAL OF NEW TECHNOLOGY AND MATERIALS, Volume: 8, Issue: 1, Pages: 90-96 (2018)
13. I. Barton , V. Matejec, J. Mrazek, O. Podrazky, J. Matousek, Preparation of Bragg mirrors on silica optical fibers and inner walls of silica capillaries by employing the sol-gel method and titanium and silicon alkoxides, JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY (81),3, 867-879, 2017
14. I. Barton , V. Matejec, J. Matousek, Photocatalytic activity of nanostructured TiO2 coating on glass slides and optical fibers for methylene blue or methyl orange decomposition under different light excitation, JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 314, 72-80, 2016
15. V. Matejec, J. Pedlikova, I. Barton, J. Zavadil, P. Kostka, Optical properties of As2S3 layers deposited from solutions, Journal of Non-Crystalline Solids (431), 47-51, 2016
16. V. Matejec, I. Kasik, O. Podrazky, I. Barton, Bragg Fibers for Absorption-Based Sensing, CONFERECE PAPERS IN SCIENCE (2015), Article ID 954539, 1-6, 2015
17. J. Zajic, L. Traplova, V. Matejec, M. Pospisilova, I. Barton, Optical pH Detection with U-Shaped Fiber-Optic Probes and Absorption Transducers, CONFERECE PAPERS IN SCIENCE (2015), Article ID 513621, 1-8, 2015
18. V. Matejec, I. Barton, J. Mrazek, O. Podrazky, U-shaped fiber-optic detection elements for investigation of photocatalytic decomposition of toluene dissolved in water, Sensors and Transducers, Vol 27, Special Issue, May 2014, pp.244-252.

Conference papers:

1. Mrazek J., Podrazky O., Aubrecht J., Barton I., Baravets Y. and Probostova J., "Transparent Ceramic Films for Short- and Mid- Infrared Lasers," 2023 23rd International Conference on Transparent Optical Networks (ICTON), Bucharest, Romania, 2023, pp. 1-4, https://doi.org/10.1109/ICTON59386.2023.10207182
2. Mrazek J, Podrazky O., Probostova J., Varak P., Barton I. and Baravets Y., „Laser assisted processing of nanocrystalline (Ho0.05Y0.95) 2Ti2O7 films for infrared photonics“ EPJ Web Conf., 287 (2023) 05036, https://doi.org/10.1051/epjconf/202328705036 
3. Barton I., Franczyk M., Peterka P., Aubrecht J., Vařák P., Kamrádek M., Podrazký O., Kasztelanic R., Buczynski R., Kašík I., "Optimization of erbium and ytterbium concentration in nanostructured core fiber for dual-wavelength fiber lasers," Proc. SPIE 12573, Specialty Optical Fibres, 1257311 (30 May 2023); https://doi.org/10.1117/12.2666703
4. Podrazký O., Mrázek J., Vařák P., Proboštová J., Bartoň I., Kašík I., "Nanocrystalline ceramic coatings for the capillary fiber lasers," Proc. SPIE 12573, Specialty Optical Fibres, 125730X (30 May 2023); https://doi.org/10.1117/12.2665632
5. Vařák P., Kašík I., Peterka P., Aubrecht J., Mrázek J., Kamrádek M., Podrazký O., Bartoň I., Franczyk M., Buczynski R., Honzátko P., "Luminescence lifetime of Er-doped silica optical fibers: the role of composition and fabrication processing," Proc. SPIE 12573, Specialty Optical Fibres, 1257310 (30 May 2023); https://doi.org/10.1117/12.2666162
6. Bartoň I., Kamrádková S., Proboštová J., Predoana L., Pandele-Cusu J., Mrázek J. „Investigation of nucleation mechanisms of nanocrystalline pyrochlore phosphors emitting in infrared“ NANOCON 2022 Conference Proceedings - International Conference on Nanomaterials, pp. 8 - 14, https://doi.org/10.37904/nanocon.2022.4573
7. P. Vařák, I. Kašík, P. Peterka, J. Mrázek, M. Kamrádek, J. Aubrecht, O. Podrazký, I. Bartoň, M. Franczyk, R. Buczynski, P. Honzátko, „The effect of thermal and mechanical processing on the fluorescence lifetime of Yb-doped silica preforms and fibers for use in nanostructured-core fiber lasers“, SPIE Proceedings, Volume: 11981, Fiber Lasers XIX: Technology and Systems; 1198103 (2022).
8. V. Matějec, J. Pedlikova, I. Barton, M. Frank, M. Jelinek, V. Kubeček „Capillary optical fiber with a Bragg mirror of arsenic sulfide and polymers applied onto the inner capillary wall“, Proceedings Volume 11029, Micro-structured and Specialty Optical Fibres VI; 1102910 (2019).
9. I. Barton, V. Matejec, J.Mrazek, L.Predoana, M. Zaharescu, Optical properties of Na2O-TiO2-SiO2 glass films prepared by the sol-gel method, Proceedings of SPIE - The International Society for Optical Engineering Volume 10603, 2017, Article number 106030R, Photonics, Devices, and Systems VII 2017; Prague; Czech Republic; 28 August 2017 through 30 August 2017; Code 132767
10. I. Barton, V. Matejec, J. Mrazek, O. Podrazky, Preparation and characterization of coatings with a high reflectivity on planar substrates and inside silica tubes, Proc. SPIE 9450 8th International Conference on Photonics, Devices, and System VI, Article 945019, 2015
11. V. Matejec, J. Pedlikova, I. Barton, O. Podrazky, Arsenic sulfide layers for dielectric reflection mirrors prepared from solutions, Proceedings of SPIE - The International Society for Optical Engineering Volume 10603, 2017, Article number 106030M, Photonics, Devices, and Systems VII 2017; Prague; Czech Republic; 28 August 2017 through 30 August 2017; Code 132767
12. 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