Ashwin Kumar Myakalwar, Ph.D.

Oblasti vědeckého zájmu:

Laser spectroscopy viz., Laser Induced Breakdown Spectroscopy, Laser Absorption Spectroscopy; Non-Linear Optics; Multivariate analysis (Chemometrics); Laser based Instrumentation;

Profesní činnost:

2016 – Today: Institute of Photonics and Electronics of the ASCR, v. v. i.

Professional Societies:

- Indian Society of Atomic and Molecular Physics

- Optical Society of America

Vzdělání:

2016: Ph.D:  Topic: Laser Induced Breakdown Spectroscopy studies with pharmaceuticals, high energy materials and isomers towards unfolding the device requirements.

 Research supervisor: Dr G Manoj Kumar 

2009: Master of science, specialization in Electronics and Instrumentation.

Současné výzkumné projekty:

Člen projektů:

• Development of the Mid-infrared trace gas laser spectroscopy
• Thulium fibre lasers for industrial and medical applications

Publikační činnost:

1. Myakalwar AK, Anubham SK, Paidi SK, Barman I, Gundawar MK (2016) Real-time fingerprinting of structural isomers using laser induced breakdown spectroscopy. Analyst 141: 3077-3083.
2. Myakalwar AK, Spegazzini N, Zhang C, Anubham SK, Dasari RR, et al. (2015) Less is more: Avoiding the LIBS dimensionality curse through judicious feature selection for explosive detection. Scientific reports 5.
3. Myakalwar AK, Dingari NC, Dasari RR, Barman I, Gundawar MK (2014) Non-gated laser induced breakdown spectroscopy provides a powerful segmentation tool on concomitant treatment of characteristic and continuum emission. PloS one 9: e103546.
4. Sunku S, Gundawar MK, Myakalwar AK, Kiran PP, Tewari SP, et al. (2013) Femtosecond and nanosecond laser induced breakdown spectroscopic studies of NTO, HMX, and RDX. Spectrochimica Acta Part B: Atomic Spectroscopy 79: 31-38.
5. Sunku S, Myakalwar AK, Gundawar MK, Paturi PK, Tewari SP, et al. (2012) Stoichiometric Analysis of Inorganic Compounds Using Laser-Induced Breakdown Spectroscopy with Gated and Nongated Spectrometers. ISRN Optics 2012.
6. Dingari NC, Barman I, Myakalwar AK, Tewari SP, Kumar Gundawar M (2012) Incorporation of support vector machines in the LIBS toolbox for sensitive and robust classification amidst unexpected sample and system variability. Analytical chemistry 84: 2686-2694.
7. Myakalwar AK, Sreedhar S, Barman I, Dingari NC, Rao SV, et al. (2011) Laser-induced breakdown spectroscopy-based investigation and classification of pharmaceutical tablets using multivariate chemometric analysis. Talanta 87: 53-59.

Conference proceedings:

1. Sreedhar S, Kumar MA, Kumar GM, Kiran PP, Tewari SP, et al. Laser Induced Breakdown Spectroscopy of RDX and HMX with nanosecond, picosecond, and femtosecond pulses; 2010. pp. 76650T-76651.
2. Rao SV, Sreedhar S, Kumar MA, Kiran PP, Tewari SP, et al. Laser induced breakdown spectroscopy of high energy materials using nanosecond, picosecond, and femtosecond pulses: challenges and opportunities; 2010. pp. 81731A-81731.

Papers contributed at International conferences: 

1. Siva Kumar Anubham,  Ashwin Kumar Myakalwar, G. Manoj Kumar, Numerical Experiment based LIBS Classification in the event of scarce Sample availability (Oral), at 8th International Conference on Laser Induced Breakdown Spectroscopy, Department of Thermal Engineering, Tsinghua University, China during 8-12 September 2014.
2. Ashwin Kumar Myakalwar, G. Manoj Kumar, Methodologies for classification of high energy materials using laser induced breakdown spectroscopy(poster), 9th International High Energy Materials Conference and Exhibits (HEMCE 2014), Vikram Sarabhai Space Centre (VSSC), Thiruvananthapuram during 13-15 February 2014.
3. Manoj Kumar Gundawar, Ashwin Kumar Myakalwar, Shiv Kumar Anubham, Ishan Barman , Narahara Chari, Isomer Identification using laser induced breakdown spectroscopy(Poster), 40th Annual Analytical Chemistry Meeting of Federation of Analytical Chemistry and Spectroscopy Societies (FACSSS) SciX-2013, during  September 29 – October 4 (2013) in  Milwaukee, Wisconsin, USA. 
4. Manoj Kumar Gundawar, Ashwin Kumar Myakalwar, Shiv Kumar Anubham, Narahara Chari Dingari, Ishan Barman, In search of robust multivariate classification method for identification of high energy materials using laser induced breakdown spectroscopy (Oral), 40th Annual Analytical Chemistry Meeting of Federation of Analytical Chemistry and Spectroscopy Societies (FACSSS) SciX-2013, during  September 29 – October 4 (2013) in  Milwaukee, Wisconsin, USA. 
5. Ashwin Kumar M, Dingari NC, Barman I, Tewari SP, Manoj Kumar G, A case study in pharmaceutical sample screening using ANN (Poster), 7th International Conference On Laser Induced Breakdown Spectroscopy,  The National Institute of Laser Enhanced Science, Cairo University 28th September to 3rd October 2012    
6. Ashwin Kumar M, Dingari NC, Barman I, Tewari SP, Manoj Kumar G, LIBS based Formula Analyzer for Pharmaceutical Applications (Poster) 7th International Conference On Laser Induced Breakdown Spectroscopy, The National Institute of Laser Enhanced Science, Cairo University 28th September to 3rd October 2012    
7. Ashwin Kumar M, Dingari NC, Barman I, Tewari SP, Manoj Kumar G, The role of outlier removal and feature selection in classification of non-gated LIBS spectra (Oral), 7th International Conference On Laser Induced Breakdown Spectroscopy, The National Institute of Laser Enhanced Science, Cairo University 28th September to 3rd October 2012 .
8. Ashwin Kumar Myakalwar, G. Manoj Kumar , Statistics for spectroscopy: Identification of Organic materials with LIBS Frontiers in Physics(Poster), School of Physics, University of Hyderabad, Hyderabad, India, during 27-29 September,2012.
9. M Ashwin Kumar, Surya P. Tewari, G Manoj Kumar, A Novel tool for CHNO formula analysis based on laser induced breakdown spectroscopy(Poster), TC 2012, BRNS-ISAMP Topical conference on Interaction of lasers with atoms, molecules, and clusters, University of Hyderabad, Hyderabad, January 09-12, 2012.
10. M Ashwin Kumar, Surya P. Tewari, G Manoj Kumar,  Strategies for Identification of High Energy Materials using Laser Induced Breakdown Spectroscopy using Chemometric Techniques (Poster),  8th International High Energy Materials Conference & Exhibit, Terminal ballistics Research Laboratory, Chandigarh 10-12  November 2011.
11. M Ashwin Kumar, Surya P. Tewari, G Manoj Kumar, Strategies for Identification of High Energy Materials using Laser Induced Breakdown Spectroscopy –Ratiometric Method(Poster),  8th International High Energy Materials Conference & Exhibit, Terminal ballistics Research Laboratory, Chandigarh 10-12  November 2011.
12. Narahara Chari Dingari, Ishan Barman, M Ashwin Kumar, Surya P. Tewari, G Manoj Kumar, The Federation of Analytical Chemistry and Spectroscopy Societies conference – FACSS 2011 held at Reno NV, USA during October 2-7 2011.
13. M. Ashwin Kumar,  S. Sreedhar, S. Venugopal Rao, Surya P. Tewari, P. Prem Kiran, G. Manoj Kumar, Strategies for Identification of High Energy Materials using Laser Induced Breakdown Spectroscopy using Chemometric Techniques(Poster), 8th International High Energy Materials Conference and Exhibit (HEMCE 2011), 10-12 November, Terminal Ballistics  Research Laboratory, Chandigarh, India. 
14. M. Ashwin Kumar, S. Sreedhar, S. Venugopal Rao, Surya P. Tewari, P. Prem Kiran, G. ManojKumar, Strategies for Identification of High Energy Materials using Laser Induced Breakdown Spectroscopy - Ratiometric Method(Poster), 8th International High Energy Materials   Conference  and Exhibit (HEMCE 2011), 10-12 November, Terminal  Ballistics  Research  Laboratory,   Chandigarh,  India. 
15. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao, Laser induced breakdown  spectroscopic studies on Nitromethane and simple liquid fuels using nanosecond pulses(Poster), 6th Euro-Mediterranean Symposium on Laser Induced Breakdown Spectroscopy, EMSLIBS 2011 11-15 September 2011, Cesme, Izmir, Turkey. 
16. M. Ashwin Kumar, S. Sreedhar, I. Barman, N.C. Dingari, S. Venugopal Rao, P. Prem Kiran, Surya P.Tewari  and G. Manoj Kumar, Laser Induced Breakdown  Spectroscopy – A Discrimination Tool for Pharmaceutical Applications(Poster), NASLIBS  2011, July 18-20, Florida,USA. 
17. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao, Laser Induced Breakdown  Spectroscopy of RDX, HMX, NTO Using Nanosecond and Femtosecond Pulses, 8th International High Energy Materials  Conference and Exhibit (HEMCE 2011) (Poster), 10-12 November, Terminal Ballistics ResearchLaboratory, Chandigarh, India.
18. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. VenugopalRao, LIBS  studies  on Nitromethane  and simple  liquid fuels  using nanosecond  pulses, Submitted  to 8th International  High Energy Materials  Conference   and  Exhibit (HEMCE 2011) (Poster), 10-12 November, Terminal Ballistics Research Laboratory, Chandigarh, India. 
19. Dingari NC, Barman  I,  Ashwin  MK,  Tewari  SP, Manoj  GK, Classification  of over-the-counter pharmaceutical samples using laser-induced breakdown spectroscopy and multivariate chemometric analysis(Poster),  FACSS, the Federation  of Analytical  Chemistry  and  Spectroscopy  Societies,  Reno,  NV, October 2011 
20. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar,  P. Prem Kiran, Surya P. Tewari  and S.Venugopal Rao, Molecular and Elemental Spectral Emission Studies of High Energy Materials with Femtosecond and Nanosecond Laser Induced Breakdown Spectroscopy(Poster), NASLIBS  2011, July 18-20, Florida, USA. 
21. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao, Laser induced breakdown  spectroscopy of high energy liquid fuels using nanosecond laser pulses(Poster), Meghnad  Saha Memorial International Symposium-cum-workshop on Laser Induced Breakdown Spectroscopy, Allahabad University, December 21-23, 2010. 
22. Ch. Leela, S. Bagchi,  S. Sreedhar, M. Ashwin Kumar, Surya P. Tewari, S. Venugopal Rao, G. Manoj Kumar,  P. Prem Kiran, Study of reaction dynamics of ammonium perchlorate (AP)  and ammonium nitrate (AN) in comparison with laser induced breakdown spectroscopy (LIBS) (Poster), Meghnad Saha Memorial International Symposium-cum-workshop on Laser Induced Breakdown  Spectroscopy, Allahabad University, December 21-23, 2010.
23. S. Sreedhar, G. Manoj Kumar, M. Ashwin Kumar,  P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao, Laser  Induced  Breakdown  Spectroscopy  with  nanosecond,  picosecond,  and  femtosecond   pulses: Studies  on RDX and  HMX(Poster),  LIBS 2010, September  13-17, 2010, Mississippi  State    University, Memphis, USA. 
24. S. Sreedhar, S. Venugopal Rao, M. Ashwin Kumar, P. Prem  Kiran, S.P. Tewari,  G. ManojKumar, Stoichiometric  analysis  of  nitrogen based  compounds   from LIBS  data  of  non-gated  and  gated spectrometers(Poster),  LIBS 2010,  September 13-17, 2010, Mississippi  State  University,  Memphis, USA.
25. M. Ashwin Kumar,  S. Sreedhar, Surya P. Tewari, S. Venugopal Rao, P. Prem Kiran, G. Manoj Kumar, A stoichiometric  study on pharmaceutical compounds with laser induced breakdown spectroscopy(Poster), Meghnaad  Saha Memorial International Symposium-cum-workshop on Laser Induced Breakdown Spectroscopy, Allahabad University, December 21-23, 2010. 

Papers contributed at National conferences:

1. S. Sreedhar, M. Ashwin Kumar, G. Manoj Kumar, P. Prem Kiran, Surya P. Tewari, S. Venugopal Rao, “Laser Induced Breakdown Spectroscopy of RDX, HMX, NTO Using Nanosecond and Femtosecond Pulses,” UH-TIFR meeting at University of Hyderabad, August 1- 3, 2011.
2. S. Sreedhar, G. Manoj Kumar, M. Ashwin Kumar, P. Prem Kiran, S.P. Tewari, S. Venugopal Rao, “Laser Induced Breakdown Spectroscopic Study of Common Fuels using Nanosecond Pulses with Gated and Non-gated Detection,” National Laser Symposium, CAT Indore, December 1-4, 2010. (POSTER)
3. Student interaction conducted by optical society of America, university of Hyderabad student chapter, Hyderabad, January,8, 2011.
4. M Ashwin Kumar, A Siva Kumar and G Manoj Kumar, Artificial Neural Network based approach to deal with Bremsstrahlung emission in Laser Induced Breakdown Spectroscopy for classification of materials(Poster), ISAMP topical conference on Interaction of Lasers with Atoms, molecules and clusters, TC 2012, 9-12 January,2012 Hyderabad.
5. M Ashwin Kumar, G Manoj Kumar, Statistics for spectroscopy : Identification of organic materials with LIBS(Oral), National Conference on Advances in Materials Science and Technologies, 19-21 November 2012 Kakatiya University, Warangal
6. M Ashwin Kumar, A Siva Kumar and G Manoj Kumar, Artificial Neural Network based approach to deal with Bremsstrahlung emission in Laser Induced Breakdown Spectroscopy for classification of materials, DAE-BRNS National Laser Symposium (NLS 22) held during 8-11 January 2014,Manipal, Karnataka, India