Dr. Ashwini Kumar Sharma
Professor
Department of Physics
Indian Institute of Technology Guwahati
Guwahati - 781 039, Assam, INDIA
e-mail:    aksharma@iitg.ernet.in
Phone:  +91-361-258-2724 (Off.), 4724 (Res.)
Fax:        +91-361-2582749 / 2690762
 
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PUBLICATIONS

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    Peer-reviewed journals

  1. S. Goswami and A.K Sharma, Film thickness dependency and refractive index sensing capabilities of lossy mode resonances in metallic indium-rich ITO thin films, J. Opt. Soc. Am. B 39, 1571 (2022).

  2. Kavil Mehta, Kaushik G. Patel, A. K. Sharma, Alika Khare, Prahlad K. Baruah, Probing the Cavitation Bubbles Produced during Laser Ablation of Copper Immersed in Liquid under Tightly Focused Conditions using Shadowgraphy Technique, Mater. Today: Proc.57, 140 (2022).

  3. Prahlad K. Baruah, Arpita Nath, A. K. Sharma and Alika Khare, Investigation of the exuberant cavitation bubble and shock wave dynamics in pulsed laser ablation of copper in distilled water Appl. Phys. A 128, 187 (2022).

  4. S. Goswami, A. K. Sharma, S. Biswas, A. Perumal, Evolution of epsilon-near-zero plasmon with surface roughness and demonstration of perfect absorption in randomly rough indium tin oxide thin films, J. Appl. Phys. 130, 173102 (2021).

  5. Kh. Shantakumar Singh and A. K. Sharma, Effect of magnetic field-dependent effective thermal conductivity of melted layer on nanosecond laser ablation of copper and formation of nanoparticles at atmospheric air pressure, J. Appl. Phys. 130, 043302 (2021).

  6. S. Goswami and A. K. Sharma, Material platform for realization of a “fiber-like” lossy mode resonance response in a simple Kretschmann-Raether geometry, Opt. Lett. 46, 3065 (2021).

  7. G. Pradhan, P. P. Dey, Alika Khare and A. K. Sharma, Synthesis and size modulation of MoS2 quantum dots by pulsed laser ablation in liquid for viable hydrogen generation, J. Appl. Phys. 129, 025112 (2021).

  8. G. Pradhan, P. P. Dey and A. K. Sharma, Growth dynamics of pulsed laser deposited WS2 thin films on different substrates, Appl. Phys. A 126, 475 (1-7) (2020).

  9. P. K. Baruah, I. Chakrabartty, D. S. Mahanta, Latha Rangan, A. K. Sharma and Alika Khare, Efficacy of cellulose paper treated with Cu and Ag oxide nanoparticles synthesized via pulsed laser ablation in distilled water in the annihilation of bacteria from contaminated water, Rev. Sci. Instrum. 91, 034105 (1-7) (2020).

  10. P. K. Baruah, Anuma Singh, Latha Rangan, A. K. Sharma and Alika Khare, Elucidation of Size, Structure, Surface Plasmon Resonance and Photoluminescence of Ag Nanoparticles Synthesized by Pulsed Laser Ablation in Distilled Water and its Viability as SERS Substrate, Appl. Phys. A 126, 195 (1-14) (2020).

  11. G. Pradhan and A. K. Sharma, Linear and non-linear optical response of sulfur deficient nanocrystallite WS2 thin films, J. Mater. Sci. 54, 14809 (2019).

  12. S. Goswami and A. K. Sharma, Investigation of the optical behaviour of indium oxide thin films around band gap region with the aid of spectroscopic ellipsometric technique, Appl. Surf. Sci 495, 143609 (2019).

  13. P. K. Baruah, A. K. Sharma, and Alika Khare, Role of confining liquids on the properties of Cu nanoparticles synthesized by pulsed laser ablation and a correlative ablation study of the target surface, RSC Adv. 9, 15124 (2019).

  14. G. Pradhan, P. P. Dey and A. K. Sharma, Anomalous kinetic roughening in the growth of MoS2 films under pulsed laser deposition, RSC Adv. 9, 12895 (2019).

  15. G. Pradhan and A. K. Sharma, Temperature controlled 1T/2H phase ratio modulation in mono- and a few layered MoS2 films, Appl. Surf. Sci. 479, 1236 (2019).

  16. P. K. Baruah, Anuma Singh, Latha Rangan, A. K. Sharma and Alika Khare, Optimization of copper nanoparticles synthesized by pulsed laser ablation in distilled water as a viable SERS substrate for karanjin, Mater. Chem. Phys. 220,111 (2018).

  17. P. K. Baruah, A. K. Sharma, and Alika Khare, Effective control of particle size, surface plasmon resonance and stoichiometry of Cu@CuxO nanoparticles synthesized by laser ablation of Cu in distilled water, Opt. Laser Technol. 108, 574 (2018).

  18. R. R. Behera, M. R. Sankar, P. K. Boruah, A. K. Sharma, and Alika Khare, Experimental investigations of nanosecond-pulsed Nd:YAG laser beam micromachining on 304 stainless steel, J. Micromanufac. 1, 62 (2018).

  19. G. Pradhan and A. K. Sharma, Anomalous Raman and photoluminescence blue shift in mono- and a few layered pulsed laser deposited MoS2 thin films, Mater. Res. Bull. 102, 406 (2018).

  20. Poulami Ghosh and A. K. Sharma, Highly c-axis oriented growth and optical characterization of ZnO pore-like structures surrounded by craters via pulsed laser deposition, Silicon 10, 645 (2018).

  21. P. K. Baruah, Anuma Singh, Iffat Jahan, Latha Rangan, A. N. Panda, A. K. Sharma and Alika Khare, Surface-enhanced Raman scattering from copper nanoparticles treated furanoflavonoid Karanjin, Adv. Mater. Lett. 8, 971 (2017).

  22. Kh. Shantakumar Singh, Alika Khare, and A. K. Sharma, Effect of uniform magnetic field on laser-produced Cu plasma and the deposited particles on the target surface. Laser Part. Beams, 35, 313 (2017).

  23. Poulami Ghosh and A. K. Sharma, On-axis and off-axis growth of zinc oxide nanostructures via pulsed laser deposition, Phys. Stat. Solidi A 214, 1600755 (2017).

  24. P. K. Baruah, A. K. Sharma and Alika Khare, Dependence of the size of copper nanoparticles on laser energy synthesized by pulsed laser ablation in liquid, Adv. Mater. Proc. 2, 264 (2017).

  25. Kh. Shantakumar Singh and A. K. Sharma, Time integrated optical emission studies on laser-produced copper plasma in the presence of magnetic field in air ambient at atmospheric pressure, Appl. Phys. A 123, 325 (2017).

  26. Kh. Shantakumar Singh and A. K. Sharma, Melt ejection from copper target in air in the presence of magnetic field using nanosecond pulsed laser ablation, J. Vac. Sci. Technol. A 35, 031305 (2017).

  27. Poulami Ghosh and A. K. Sharma, Two-photon induced photoluminescence and lasing in pulsed-laser deposited ZnO nanostructures pumped by continuous wave He-Ne laser, Opt. Mater. 66, 651 (2017).

  28. Kh. Shantakumar Singh and A. K. Sharma, Effect of lens focusing distance on laser-produced copper plasma in air in the presence of static transverse magnetic field, Phys. Plasmas. 23, 123514 (2016).

  29. Kh. Shantakumar Singh and A. K. Sharma, Spatially-resolved behavior of laser-produced copper plasma along expansion direction in the presence of static uniform magnetic field, Phys. Plasmas 23, 122104 (2016).

  30. Kh. Shantakumar Singh and A. K. Sharma , Effect of variation of magnetic field on laser ablation depth of copper and aluminum targets in air atmosphere, J. Appl. Phys. 119, 183301 (2016).

  31. R. R. Behera, M. R. Sankar, J. Swaminathan, I. Kumar, A. K. Sharma, and Alika Khare, Experimental investigation of underwater laser beam micromachining (UW-LBM) on 304 stainless steel, Int. J. Adv. Manuf. Technol. 85,1969 (2016).

  32. Poulami Ghosh and A. K. Sharma, Pulsed laser deposition and characterization of ZnO nanopores, Appl. Phys. A 122, 357 (2016).

  33. Kh. Shantakumar Singh and A. K. Sharma, Multi-structured temporal behavior of neutral copper transitions in laser-produced plasma in presence of variable transverse static magnetic field, Phys. Plasmas, 23, 013304 (2016).

  34. Poulami Ghosh and A. K. Sharma, Effect of substrate temperature on the growth of pulsed-laser deposited ZnO nanostructures, Appl. Phys. A 116, 1877 (2014).

  35. Poulami Ghosh and A. K. Sharma, Growth and optical characterization of diamond-shaped zinc oxide nanostructures by pulsed laser deposition, Appl. Phys. A 115, 235 (2014).

  36. Poulami Ghosh and A. K. Sharma, Growth and characterization of ZnO nanorods, nanowires and nanobelts on ZnO seed layer by pulsed layer deposition, Adv. Sci. Eng. Med. 6, 393 (2014).

  37. Poulami Ghosh and A. K. Sharma, Optical characterization and growth mechanism of combination of zinc oxide nanowires and nanorods at various substrate temperatures, J. Nanomaterials Article ID 480164 (2013).

  38. Poulami Ghosh and A. K. Sharma, Deposition of zinc oxide nanopores by pulsed laser ablation, GSTF J. Phys. Applications 1, 10 (2013).

  39. R. K. Thareja, A. K. Sharma, and Shobha Shukla, Spectroscopic Investigations of Carious Tooth Decay, Med. Eng. Phy. 30, 1143 (2008).

  40. C. Bauer, A. K. Sharma, U. Willer, J. Burgmeier, B. Braunschweig, W. Schade, S. Blaser, L. Hvozdara, A. Mueller, and G. Holl, Potentials and limits of mid-infrared laser spectroscopy for the detection of explosives, Appl. Phys. B 92, 327 (2008).

  41. A. K. Sharma and R. K. Thareja, Anisotropic emission in laser-produced aluminum plasma in ambient nitrogen, Appl. Surf. Sci. 253, 3113 (2007).

  42. R. K. Thareja and A. K. Sharma, Reactive Pulsed Laser Ablation: Plasma Studies, Laser and Particle Beams 24, 311 (2006). Listed by the editorial of the journal in hot paper section (Hoffmann D. H. H., Laser and Particle  Beams 25, 329 (2007)).

  43. A. K. Sharma and R. K. Thareja, Polarization-resolved measurements of picosecond laser-ablated plumes, J. Appl. Phys. 98, 33304-1 (2005). Also appeared in Virtual Journal of Ultrafast Science 4 (Issue 9), (2005).

  44. R. K. Thareja and A. K. Sharma, Formation of AlN in laser ablated Al plasma in nitrogen ambient, phys. stat. sol. (c) 2, 2079 (2005).

  45. A. K. Sharma and R. K. Thareja, Plume dynamics of laser-produced aluminum plasma in nitrogen ambient, Appl. Surf. Sci. 243, 68 (2005).

  46. A. K. Sharma and R. K. Thareja, Characterization of laser-produced aluminum plasma in ambient atmosphere of nitrogen using fast photography, Appl. Phys. Lett. 84, 4490 (2004). Also appeared in Virtual Journal of Ultrafast Science 3 (Issue 6), (2004).

  47. A. K. Sharma, R. K. Thareja, Ulrike Willer, and W. Schade, Phase transformation in room temperature pulsed laser deposited TiO2 thin films, Appl. Surf. Sci. 206, 137 (2003).

  48. A. K. Sharma and R. K. Thareja, Pulsed laser ablation of aluminum in the presence of nitrogen: Formation of aluminum nitride, J. Appl. Phys. 88, 7334 (2000).

Conference proceedings top

  1. P. K. Baruah, A. K. Sharma and Alika Khare, Shadowgraphic Imaging of Cavitation Bubble Dynamics in Pulsed Laser Ablation of a Solid in Liquid, IEEE Xplore, 1-3 (2019). DOI: 10.1109/WRAP47485.2019.9013668.

  2. S. Goswami and A. K. Sharma, Ambient condition-dependent surface plasmon resonance properties of pulsed laser deposited ITO thin films, IEEE Xplore, 1-3 (2019). DOI: 10.1109/WRAP47485.2019.9013705.

  3. S. Goswami and A. K. Sharma, Structural and morphological properties of pulsed laser deposited In2O3 thin films at various oxygen pressures, AIP Conf. Proc. 2082, 040008 (2019).

  4. S. Goswami and A. K. Sharma, Effect of ambient conditions on the structural and optical properties of pulsed laser deposited indium tin oxide thin films, Proc. Photonics, SP 134 (2018).

  5. P. K. Baruah, M. A. Raman, I. Chakrabartty, Latha Rangan, A. K. Sharma, Alika Khare, Antibacterial Effect of Silk Treated with Silver and Copper Nanoparticles Synthesized by Pulsed Laser Ablation in Distilled Water, AIP Conf. Proc. 1953, 030064 (2018).  

  6. P. K. Baruah, A. K. Sharma, and Alika Khare, Effect Of Laser Energy On The SPR And Size Of Silver Nanoparticles Synthesized By Pulsed Laser Ablation In Distilled Water, AIP Conf. Proc.  1942, 050036 (2018).

  7. Poulami Ghosh and A. K. Sharma, Spectroscopic Study of Laser Induced ZnO Plasma, AIP Conf. Proc. 1536, 1195 (2013).

  8. Poulami Ghosh and A. K. Sharma, Effect of Deposition Time on the Growth of Diamond-like Zinc Oxide Nanostructures, AIP Conf. Proc. 1536, 95 (2013).

 

Conferences top

    (I) International conferences/symposium

  1. Kavil Mehta, Kaushik Patel, A. K. Sharma, Alika Khare and Prahlad K. Baruah, A Shadowgraphy Study of Cavitation Bubble in Liquid Prompted by Laser Ablation-Induced Liquid Breakdown, International Symposium on Materials of the Millennium: Emerging Trends and Future Prospects (MMETFP 2021), PDEU, Gujrat, November 19 – 21, xxx (2021).

  2. Kavil Mehta, Kaushik Patel, A. K. Sharma, Alika Khare and Prahlad K. Baruah, Formation of multiple bubbles and its interactions in laser ablation of a solid in liquid, OSA Frontiers in Optics and Laser Science, Washington, USA, October 31 – November 04, JTu1A.91 (2021). https://doi.org/10.1364/FIO.2021.JTu1A.91.

  3. Kaushik Patel, Kavil Mehta, A. K. Sharma, Alika Khare and Prahlad K. Baruah, Investigation of the effect of tight focusing on the dynamics of nanoparticle synthesis via laser ablation in liquid, International Conference on Condensed Matter and Device Physics – 2021 (ICCMDP-21), September 9-11, xxx (2021).

  4. P. K. Baruah, A. K. Sharma and A. Khare, Probing laser-produced cavitation bubble dynamics in liquid via shadowgraphic imaging, SPIE Photonics Europe 2020, Strasbourg, France, March 29-April 2, xxx (2020).

  5. S. Goswami and A. K. Sharma, Ambient condition-dependent surface plasmon resonance properties of pulsed laser deposited ITO thin films, Workshop on Recent Advances in Photonics (WRAP-2019), IIT Guwahati, December 13-14, 114 (2019).

  6. P. K. Baruah, A. K. Sharma and A. Khare, Shadowgraphic Imaging of Cavitation Bubble Dynamics in Pulsed Laser Ablation of a Solid in Liquid, Workshop on Recent Advances in Photonics (WRAP-2019), IIT Guwahati, December 13-14, 84 (2019).

  7. P. K. Baruah, A. K. Sharma and A. Khare, Estimation of Extreme Conditions in Pulsed Laser Ablation of a Solid in Liquid Ambient via Beam Deflection and Shadowgraphy Technique, 12th International Conference on Plasma Science and Applications (ICPSA 2019), University of Lucknow, 11-14 November, xxx (2019).

  8. G. Pradhan and A. K. Sharma, Shape and Size Modulation of MoS2 Quantum Dots Synthesis by Pulsed Laser Ablation in Distilled Water, 10th International Conference on Materials for Advanced Technologies (ICMAT19), Singapore, June 23 – 28, xxx (2019).

  9. A. K. Sharma and S. Goswami, Variation of Structural and Optical Properties of Pulsed Laser Deposited Indium Tin Oxide Thin Films in Nitrogen Ambient, 10th International Conference on Materials for Advanced Technologies (ICMAT19), Singapore, June 23 – 28, xxx (2019).

  10. S. Goswami and A. K. Sharma, Effect of substrate temperature on the structural, morphological and optical properties of pulsed laser deposited indium oxide films, 5th International Conference Nanoscience and Nanotechnology (ICONN), SRM Institute of Science and Technology, Chennai, January 28-30, xxx (2019).

  11. S. Goswami and A. K. Sharma, Structural and morphological properties of pulsed laser deposited In2O3 thin films at various oxygen pressures, International Conference on Optoelectronic and Nano Materials for Advanced Technology (iCONMAT), CUSAT, Kochi, Kerela, January 3-5, xxx (2019).

  12. S. Goswami and A. K. Sharma, Effect of ambient conditions on the structural and optical properties of pulsed laser deposited indium tin oxide thin films, International Conference on Fiber Optics and Photonics  (PHOTONICS 2018), IIT Delhi, December 12-15, xxx (2018).

  13. P. K. Baruah, M. A. Raman, I. Chakrabarty, L. Rangan, A. K. Sharma and A. Khare, Antibacterial effect of silk treated with silver and copper nanoparticles synthesized by pulsed laser ablation in distilled water, 2nd International conference on condensed matter and applied physics (ICC-2017), Govt. Engineering College, Bikaner, Rajasthan, November 24-25, xxx (2017).

  14. P. K. Baruah, A. K. Sharma and A. Khare, Characterization of noble metal nanoparticles synthesized via pulsed laser ablation in liquid,International Conference on Sophisticated Instruments in Modern Research (ICSIMR-2017), IIT Guwahati, June 30 – July 1, 148 (2017).

  15. P. K. Baruah, A. K. Sharma and A. Khare, Laser ablation of copper target in distilled water and 2-propanol for nanoparticle synthesis, International Conference on Laser Ablation (COLA 2017), Marseille, France, September 03-08, xxx (2017).

  16. G. Pradhan and A. K. Sharma, 2D Layered MoS2 Films Growth via Pulsed Laser Deposition Technique, International Conference on Nanomaterials and Nanotechnology (ICNANO-2017), Vinoba Bhave Research Institute, Allahabad, India. March 01-03, xxx (2017).

  17. G. Pradhan, R. Kesharwani, A. Khare and A. K. Sharma, Thickness dependent optical properties of MoS2 thin films probed by spectroscopic ellipsometry, International Conference on Fiber Optics and Photonics – PHOTONICS, IIT Kanpur, December 04-08, P1A.14 (2016).

  18. P. K. Baruah, A. Singh, L. Rangan, A. K. Sharma and A. Khare,Comparison of surface enhanced Raman scattering of silver and copper nanoparticles on furanoflavanoid karanjin, International Conference on Fiber Optics and Photonics – PHOTONICS, IIT Kanpur, December 04-08, xxx (2016).

  19. G. Pradhan and A. K. Sharma, Optical analysis of 2D-layered molybdenum disulfide thin films,International Conference on Light and Light based Technologies (ICLLT), Tezpur University, November 26-28, xxx (2016).

  20. P. K. Baruah, A. K. Sharma and A. Khare, Effect of laser energy on silver nanoparticles produced by pulsed laser ablation in distilled water,International Conference on Light and Light based Technologies (ICLLT), Tezpur University, November 26-28, xxx (2016).

  21. P. K. Baruah, A. K. Sharma and A. Khare, Dependence of laser energy on the size of copper nanoparticles synthesized by pulsed laser ablation in liquid, International Conference on Materials Science & Technology (ICMTech), University of Delhi, March 1- 4, xxx (2016).

  22. Kh. Shantakumar Singh and A. K. Sharma, Effect of magnetic field on laser ablation during plasma formation: Experimental and finite element model study, XXVII IUPAP Conference on Computational Physics (CCP-2015), IIT Guwahati, December 2-5, 62 (2015).

  23. Kh. Shantakumar Singh and A. K. Sharma, Nanostructuring on copper target surface via pulsed laser ablation in the presence and absence of magnetic field in air,4th International Conference on Advanced Nanomaterials & Nanotechnology (ICANN-2015), IIT Guwahati, December 8-10, xxx (2015).

  24. P. K. Baruah, I. Jahan, A. Singh, L. Rangan, A. K. Sharma and A. Khare Surface-enhanced Raman scattering from Copper nanoparticles on furanoflavonoid Karanjin, 26th International Conference on Amorphous and Nanocrystalline Semiconductors(ICANS26), Aachen, Germany, September 13 – 18, xxx (2015).

  25. Kh. Shantakumar Singh and A. K. Sharma, Effect of uniform magnetic field on nanostructuring by laser ablation of copper at atmospheric pressure, 4th International Conference on Current Developments in Atomic, Molecular & Optical Physics with Applications (CDAMOP), University of Delhi, March 11-14, xxx (2015).

  26. R. Behera, M. Sankar, A. K. Sharma, Alika Khare and J. Swaminathan, Experimental Comparative Study on Micromachining of 304 Stainless Steel in Air and Under Water using Pulsed Nd-YAG Laser Beam, (AIMTDR), IIT Guwahati, December, xxx (2014).

  27. Poulami Ghosh and A. K. Sharma, Two-photon-absorption induced lasing excited by Q-switched and continuous wave laser in diamond-shaped zinc oxide nanostructures, 23rd Annual International Laser Physics Workshop (LPHYS’14), Sofia, Bulgaria, July 14-18, xxx (2014).

  28. Poulami Ghosh and A. K. Sharma, Growth and characterization of ZnO nanostructures on ZnO seed layer, Indo-UK International Workshop on Advanced Materials and their Applications in Nanotechnology  (AMAN 2014), BITS Pilani KK Birla Goa campus, May 17- 19, xxx (2014).

  29. Poulami Ghosh and A. K. Sharma, Effect of Deposition Time on Pulsed Laser Deposited ZnO Nanopores, International Conference on Nanotechnology (ICNT 13), Haldia, October 25-26, xxx (2013).

  30. Poulami Ghosh and A. K. Sharma, Effect of Oxygen Pressures on the Growth of ZnO Nanopores, 7th International Conference on Materials for Advanced Technologies (ICMAT13), Singapore, June 30 – July 5, xxx (2013).

  31. Poulami Ghosh and A. K. Sharma, Deposition of zinc oxide nanopores by pulsed laser ablation, 1st Annual International Conference on Optoelectronics, Photonics & Applied Physics (OPAP), Singapore, February 4-5, xxx (2013).

  32. Poulami Ghosh, A. K. Sharma, Effect of Deposition Time on the Growth of Diamond-like Zinc Oxide Nanostructures, International Conference on Recent Trends in Applied Physics & Material Science (RAM-2013), Bikaner, February 1-2, xxx (2013).

  33. Poulami Ghosh, A. K. Sharma, Spectroscopic Study of Laser Induced ZnO Plasma , International Conference on Recent Trends in Applied Physics & Material Science (RAM-2013), Bikaner, February 1-2, (xxx) 2013.

  34. Poulami Ghosh and A. K. Sharma, Growth of zinc oxide nanorods/wires on zinc oxide seed layer by pulsed laser deposition, 21st International Symposium on Processing and Fabrication of Advanced Materials (PFAM XXI), IIT Guwahati, December 10-13, xxx (2012).

  35. Poulami Ghosh, A. K. Sharma and Alika Khare, Nonlinear optical properties of ZnO nanostructures grown via pulsed laser deposition technique, 21st Annual International Laser Physics Workshop (LPHYS’12), University of Calgary, Canada, July 21-27, xxx (2012).

  36. Poulami Ghosh and A. K. Sharma, Growth of diamond-like zinc oxide nanostructures by pulsed laser ablation, 2nd International Conference on Advanced Nanomaterials & Nanotechnology (ICANN-2011), IIT Guwahati, December 8-10, 265 (2011).

  37. C. Bauer, U. Willer, A Pohlkoetter, A. K. Sharma, and W. Schade, A new photonic sensor device for TATP detection, Topical meeting on Laser Applications to Chemical, Security and Environmental analysis (LACSEA), St. Petersburg, Florida, USA, March 17-20, 21 (2008).

  38. C. Bauer, U. Willer, A. K. Sharma, C. Romano, T. Schossig, W. Schade, S. Blaser, L. Hvozdara, and A. Muller, Potentials and limits of mid-infrared laser spectroscopy for the detection of explosives, International conference on Field Laser Applications in Industry and Research (FLAIR), Florence, Italy, September 2-7, 26 (2007).

  39. C. Bauer, U. Willer, A. K. Sharma, C. Romano, T. Schossig, W. Schade, A. Netuschill, S. Blaser, L. Hvozdara, and A. Muller, Detection of explosives in the mid-infrared with quantum cascade lasers and a fiber coupled sensor, 6th International conference on Tunable Diode Laser Spectroscopy (TDLS), Reims, France, July 9 -13, 99 (2007).

  40. C. Bauer, C. Romano, A. K. Sharma, U. Willer, A. Muller, and W. Schade, Use of quantum cascade laser in the molecular spectroscopy for the detection of explosives, Die Deutsche Physikalische Gesellschaft e.V. (DPG), Düsseldorf, March 19 – 23, Q73.1 (2007).

  41. W. Schade, A. K. Sharma, S. Börner, and C. Romano, Fiber-optic mid-infrared laser sensors for explosive detection,Conference on Laser Applications to Chemical, Security and Environmental Analysis (LACSEA), Neveda, USA, February 5-9, (2006).

  42. C. Bauer, A. K. Sharma, P. Geiser, and W. Schade, NO spectroscopy with fiberoptic evanescent wave sensor, Die Deutsche Physikalische Gesellschaft e.V. (DPG), Frankfurt, March 13 – 17, Q72.11 (2006).

  43. S. Börner, M. Esselborn, A. Pohlkötter, A. K. Sharma, W. Schade, and R. K. Thareja, Optical characterization of laser ablated ZnO nanorods and thin films, Die Deutsche Physikalische Gesellschaft e.V. (DPG), Berlin, March 4 – 9, Q28.11 (2005).

  44. R. K. Thareja and A. K. Sharma, Formation of AlN in Laser Ablated Plasma of Al in Nitrogen Ambient, International Workshop on Nitride Semiconductors (IWNS), Proc. Mat. Res. Soc. Pittsburgh, Pennsylvania, USA, July 19 - 23, P5.8, 50 (2004).

  45. R. K. Thareja and A. K. Sharma, Characterization of Laser Ablated Al-Plasma in Ambient Atmosphere of Nitrogen, ICOPS, Baltimore, Maryland, USA, June 28 – July 1, 4B9 (2004).

  46. D. Scheel, U. Willer, A. K. Sharma, and W. Schade, Decay length measurements of evanescent fields in the case of molecular resonances, Europhysics Conference Abstracts, ECAMP VII, Berlin, 2-6 April, 225 (2001).

  47. A. Sharma, S. Thareja, A. Misra and R. K. Thareja, On the formation of aluminum nitride during interaction of laser ablated aluminum plasma in ambient atmosphere of nitrogen gas, Proc. Int. Conf. Phen. Ionized Gases XXV (1), 119 (2001).

   (II) National conferences/symposium

  1. S. Goswami and A. K. Sharma, Tuning of Epsilon-near-zero Wavelength in Pulsed Laser Deposited Indium Tin Oxide Thin Films, North-East Research Conclave (NERC-22), IIT Guwahati, May 20-22, xxx (2022).

  2. P. K. Baruah, A. K. Sharma and Alika Khare, Estimation of Extreme Conditions in Pulsed Laser Ablation of a Solid in Liquid Ambient via Beam Deflection and Shadowgraphy Technique, Virtual National Conference on Plasma Science and Applications (PSA-2021), Department of Physics, Sardar Vallabhbhai National Institute of Technology, Surat, 20-21 December, xxx (2021).

  3. S. Goswami and A. K. Sharma, Perfect absorption in a pulsed laser deposited sub-wavelength thick indium tin oxide thin film via Kretschmann-Raether geometry, Proc. National Laser Symposium, RRCAT Indore & Shri Vaishnav Vidyapeeth Vishwavidyalaya, Indore, February 12-15, xxx (2021).

  4. G. Pradhan, P. P. Dey and A. K. Sharma, MoS2 quantum dots synthesis and their size modulation by pulsed laser ablation in liquid, 2nd National Conference on Recent Advances in Science and Technology (NCRAST 2019), Assam Science and Technology University, Guwahati, May 15-17, xxx (2019).

  5. P. K. Baruah, A. K. Sharma and Alika Khare, Particle size, surface plasmon resonance and stoichiometry of silver nanoparticles synthesized by pulsed laser ablation in distilled water, National Conference on Recent Advances in Science and Technology (NCRAST-2018), Assam Science and Technology University, Guwahati, March 15-17, xxx (2018).

  6. P. K. Baruah, A. K. Sharma and Alika Khare, Effect of laser energy on the SPR and size of silver nanoparticles synthesized by pulsed laser ablation in distilled water, 62nd DAE Solid State Physics Symposium (DAE SSPS-2017), BARC, Mumbai, December 26-30, xxx (2017).

  7. S. S. Singh, K. S. Singh, P. K. Baruah, A. K. Sharma, S. N. Joshi and Alika Khare, Laser micromachining of 316L stainless steel, TEQIP symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati, October 31, 36 (2015).

  8. R. Kesarwani, A. K. Sharma and Alika Khare, Ellipsometric technique for determining the thickness and optical constants of thin film, TEQIP symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati, October 31, 33 (2015).

  9. P. K. Baruah, A. K. Sharma and Alika Khare, Basics and applications of the process of Laser induced breakdown, TEQIP symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati, October 31, 30 (2015).

  10. K. S. Singh, Eshita Mal, Alika Khare and A. K. Sharma, Laser-induced breakdown spectroscopy (LIBS): principle, instrumentation, and applications, TEQIP symposium to celebrate the 2015 International Year of Light, Department of Physics, IIT Guwahati, October 31, 24 (2015).

  11. Kh. Shantakumar and A. K. Sharma, Effect of laser focusing distance on laser-produced copper plasma in the absence and presence of uniform transverse magnetic field, 30th National Symposium on Plasma Science & Technology (PLASMA 2015), Saha Institute for Nuclear Physics (SINP) Kolkata, December 1-4, xxx (2015).

  12. P. K. Baruah, A. K. Sharma and Alika Khare, Preliminary investigation on the expansion dynamics of laser produced graphite plasma in air, 30th National Symposium on Plasma Science & Technology (PLASMA 2015), Saha Institute for Nuclear Physics (SINP) Kolkata, December 1-4, xxx (2015).

  13. Kh. Shantakumar and A. K. Sharma, Laser ablation depth enhancement of copper in the presence of external magnetic field, Proc. National Laser Symposium, RRCAT, Indore, December 2-5, xxx (2015).

  14. Eshita Mal, K. S. Singh, P. K. Baruah, Arjun Biswas, A. K. Sharma and Alika Khare, Characterization of copper plasma using laser induced breakdown spectroscopy in air, 4th PSSI-PLASMA SCHOLARS’ COLLOQUIUM (PSC-2015), Department of Physics, Jadavpur University, Kolkata, August 6-7, PS-19 (2015).

  15. Kh. Shantakumar Singh and A. K. Sharma, A 2D finite element model to simulate temperature field and ablation depth during laser ablation, SECOND NATIONAL SYMPOSIUM ON NONLINEAR AND COMPLEX PHENOMENA 2015, Institute of Advanced Study in Science and Technology (IASST), Guwahati, March 26-28, 53 (2015).

  16. P. K. Baruah, Kh. Shantakumar Singh, A. K. Sharma and Alika Khare Effect of laser energy on nanoparticles produced by laser ablation of copper in distilled water, 29th National Symposium on Plasma Science & Technology and the International Conference on Plasma & Nanotechnology (PLASMA 2014), Mahatma Gandhi University, Kottayam, Kerala, December 8-11, 166 (2014).

  17. Kh. Shantakumar Singh and A. K. Sharma, Effect of uniform transverse magnetic field on the lifetime of laser-produced copper plasma,29th National Symposium on Plasma Science & Technology and the International Conference on Plasma & Nanotechnology (PLASMA 2014), Mahatma Gandhi University, Kottayam, Kerala, December 8-11, 299 (2014).

  18. Kh. Shantakumar Singh, P. K. Baruah, Eshita Mal, Alika Khare and A. K. Sharma, Effect of uniform magnetic field on laser drilling, Proc. National Laser Symposium, Sri Venkateswara University, Tirupati, December 3-6, 147 (2014).

  19. Kh. Shantakumar Singh, Alika Khare and A. K. Sharma, Spectroscopic study of laser-produced copper plasma in variable uniform magnetic field, Proc. National Laser Symposium, Sri Venkateswara University, Tirupati, December 3-6, 146 (2014).

  20. P. K. Baruah, N. S. Mallick, I. Kumar, A. K. Sharma, and Alika Khare, Dynamics of laser induced breakdown at solid-liquid interface by imaging technique, 3rd PSSI-PLASMA Scholars Colloquium (PSC-2014) & National workshop on Exploring Plasma Technology on Material Processing, July 3-5 (2014).

  21. Kh. Shantakumar Singh, P. K. Baruah, and A. K. Sharma, Spectroscopic studies on laser produced copper plasma in presence of magnetic field, Proc. National Laser Symposium, Manipal University, Manipal, January 8-11, xxx (2014).

  22. I. Kumar, P. K. Baruah, A. K. Sharma, and Alika Khare, 28th National Symposium on Plasma Science & Technology (PLASMA 2013), KITT University, Bhubaneswar, December 3-6, xxx (2013).

  23. Kh. Shantakumar Singh and A. K. Sharma, Measurement of stark width in laser produced copper plasma in the presence of magnetic field, 28th National Symposium on Plasma Science & Technology (PLASMA 2013), KITT University, Bhubaneswar, December 3-6, xxx (2013).

  24. Poulami Ghosh, A. K. Sharma, Growth of ZnO nanostructures in ambient oxygen, 6th India - Singapore Joint Physics Symposium (ISJPS-13) on Physics of Advanced Materials, IIT Kharagpur, February 25-27, xxx (2013).

  25. Poulami Ghosh, A. K. Sharma, Effect of substrate temperature on the pulsed laser deposited ZnO nanostructures, Proc. National Laser Symposium, BARC, Mumbai, February 6-9, xxx (2013). E-proceedings: ISBN 978-81-903321-3-2 (2013).

  26. Poulami Ghosh, A. K. Sharma, Two-photon induced photoluminescence from zinc oxide nanostructures pumped by continuous wave He-Ne laser, XXXVII National Symposium of Optical Society of India, Pondicherry University, Puducherry, January 23-25, xxx (2013).

  27. A. T. T. Mostako, G. P. Bharti, Kh. S. Singh, A. K. Sharma and Alika Khare, Determination of Electron Density in Laser Induced Molybdenum Plasma, 27th National Conference on Plasma Science & Technology (Plasma-2012), Pondicherry University, Puducherry, December 10-13, xxx (2012).

  28. Poulami Ghosh, A. K. Sharma and Alika Khare, Two-photon absorption induced photoluminescence in diamond-like zinc oxide nanostructures, 1st International OSA Network of Students Conference (IONS-1), IIT Delhi, December 1-2, 35 (2011).

  29. A. K. Sharma, C. Bauer, W. Schade, P. E. Bloechl, and S. Hemmen, Simulating triacetone triperoxide using projector-augmented wave method, Proc. National Laser Symposium, M. S. University of Baroda, Vadodara, December 17-20, xxx (2007).

  30. A. K. Sharma, W. Schade, S. Börner, and C. Romano, Fiber-optic mid-infrared laser sensors and spectroscopy for the detection of explosives, Proc. National Laser Symposium, RRCAT, Indore, December 5-8, 423 (2006).

  31. W. Schade, A. K. Sharma, S. Börner, and C. Bauer, Mid-infrared laser sensors for explosive detection, Proc. National Laser Symposium, VIT, Vellore, December 7-10, 34 (2005).

  32. A. K. Sharma and R. K. Thareja, Thin film deposition of nitrides and oxides during reactive pulsed laser ablation, Workshop Proceedings on Thin Film Coatings, IRDE, Dehradun, March 11 – 12, 99 (2005).

  33. A. K. Sharma, Formation and characterization of nitrides and oxides during reactive pulsed laser ablation, PhD thesis abstract, Proc. National Laser Symposium, BARC, Mumbai, January 10-13, 43 (2004).

  34. A. K. Sharma, D. S. Murthy, V. Narayanan, and R. K. Thareja, Dynamics of formation of C2 and CN bands in nitrogen ambient, Proc. National Laser Symposium, BARC, Mumbai, January 10-13, 335 (2004).

  35. A. K. Sharma, Shobha Shukla, V. Narayanan, and R. K. Thareja, Laser Induced Breakdown Spectroscopic Investigations of Carious Tissues, Proc. National Laser Symposium, BARC, Mumbai, January 10-13, 661 (2004).

  36. A. K. Sharma and R. K. Thareja, Anisotropic emission in laser-produced aluminum plasma, NSAMSILS, Banaras Hindu University, Varanasi, March 14-15, P-1 (2004).

  37. V. Narayanan, A. K. Sharma, and R. K. Thareja, Laser ablation and deposition of silicon in helium ambient, Proc. National Laser Symposium, IIT Kharagpur, West Bengal, December 22-24, 669 (2003).

  38. A. K. Sharma, V. Narayanan, and R. K. Thareja, Shock waves in pulsed laser ablation of aluminum in nitrogen, Proc. National Laser Symposium, IIT Kharagpur, West Bengal, December 22-24, 653 (2003).

  39. V. Narayanan, A. K. Sharma, A. Mitra, H. Saxena, and R. K. Thareja, Plume Dynamics of Laser Ablated Plasmas, Proc. National Laser Symposium, SCTIMST, Thiruvananthapuram, Kerala, November 14-16, 397 (2002).

  40. A. K. Sharma and R. K. Thareja, Correlation between laser ablated aluminum plasma in presence of nitrogen and AlN thin film, Proc. National Laser Symposium, LASTEC, New Delhi, December 13-15, 233 (2000).

  41. A. K. Sharma, A. Misra, and S. Thareja, Formation of aluminum nitride in laser ablated aluminum plasma in nitrogen atmosphere, Proceedings of the National Laser Symposium, School of Physics, Hyderabad, December 15-17, 320 (1999).

  42. S. Tripathy, A. K. Sharma, and R. K. Soni, Resonant Raman scattering by bound exciton near indirect gap in S-doped GaP, Proc. National Laser Symposium, PRL, Ahmedabad, December 10-12, 130 (1997).

Book Chapters top

  1. G. Pradha, P. P. Dey and A. K. Sharma, MoS2 Quantum Dots Synthesis and Their Size Modulation by Pulsed Laser Ablation in Liquid in Advances in Science and Technology, Volume II, McGraw-Hill (2020).

  2. R. K. Thareja and A. K. Sharma, Dynamics of laser-ablated carbon plasma for thin film deposition: Spectroscopic and imaging approach in Spectroscopy, Dynamics and Molecular Theory of Carbon Plasmas and Vapors, World Scientific, Singapore, 2011.

  3. S. K. Khijwania and A. K. Sharma (Editors), Proceedings, Photonics 2010, International conference on Fiber Optics & Photonics, Viva Books Pvt. Ltd, 2010.