Associate Professor, Department of Physics, National Institute of Technology Meghalaya, since 19th December 2023

Assistant Professor, Department of Physics, National Institute of Technology Meghalaya, 3rd October 2013 -18th December 2023

Post Doctoral Fellow at Tata Institute of Fundamental Research, Mumbai from  22nd September 2011-21st September 2013.

1. Arindom Phukan (Awarded 2023)

2. Sanchia Mae Kharphanbuh (Awarded 2024)

3. Sandeep Ghosh (Ongoing)

4. Tushar Bhattacharjee (Ongoing)

5. Garryson Dkhar (Ongoing)

1. TEQIP –III minor research grant scheme , November 2019 , sanctioned amount is Rs 2 Lakhs (Role: PI).

2. DST-SERB (Early Career Research Award), October 2018, on “Fluid Dynamical Aspects in Nucleation of Laser Produced Nanoparticles in Liquids”. Sanctioned amount is Rs 51.7 Lakhs (Role : PI).

3. ISRO RESPOND Project, December 2025, on “Developing chemometric tools to analyze LIBS spectra acquired under simulated planetary atmospheric conditions.” Sanctioned amount is Rs 29.4 Lakhs (Role: CO-PI).

1. Plasma Science and Society of India

2. Indian Society of Atomic and Molecular Physics

International Journals:

1. Submerged laser micromachining with machine learning for mitigating thermal damage in sustainable polymers, Sandeep Ghosh, Kishore Debnath, Arpita Nath, Physica Scripta, 100, 11 (2025).

2. Optimisation of neural network hyperparameters for predictive modelling in laser micromachining of biopolymers,Sandeep Ghosh, Arpita Nath, Journal of Micromechanics and Microengineering , 35, 085008 (2025).

3. Recovery of gold and tantalum from electronic waste using underwater laser-assisted processing in external electric fields,S Mae Kharphanbuh, A Nath, Journal of Laser Applications,37, 022005, (2025).

4. Protein misfolding by manganese (III) oxide nanoparticles generated by pulsed laser ablation in liquids,S M Kharphanbuh, K Baruah, A S Roy, A Nath ,Journal of Molecular Liquids, 417,126670, (2025).

5. External electric field assisted laser-induced plasma and bubble dynamics for optimizing Mn2O3 nanoparticles as UV emitters, S M Kharphanbuh and A Nath, Journal of Analytical and Atomic Spectrometery, 40,186,(2025).

6. Application of Laser-Induced Breakdown Spectroscopy to quantify the changes in plasma characteristics in calcite-precipitated soils, P Baruah, S. M. Kharphanbuh , A Nath ,S Sharma, Microchemical Journal 207, 111793, (2024).

7. Bubble-assisted microstreaming during electrode deposition of Mn2O3 energy harvesters,S M Kharphanbuh, P K Baruah, A Khare, A Nath, Physical Chemistry Chemical Physics,  26, 13973, (2024).

8. Laser-Induced Plasma and Cavitation Bubble Dynamics at Manganese–Water Interface Under External Electric Fields, S M Kharphanbuh and A Nath, IEEE Transactions on Plasma Science, 52 (2), 300-309,  (2024).

9. Laser induced breakdown spectroscopy for strength assessment in Ca binded soils,P Baruah, A Phukan, S Sharma, A Nath, Spectrochimica Acta Part B: Atomic Spectroscopy, 106726, (2023).

10. Influence of an external magnetic field on laser-induced plasma and cavitation bubbles in submerged targets, A Phukan, A Nath, Journal of Laser Applications 35 (1), 012011, (2023).

11. An empirical experimental investigation on the effect of an external electric field on the behavior of laser-induced cavitation bubbles, A Phukan, SM Kharphanbuh, A Nath, Physical Chemistry Chemical Physics, 25 (3), 2477-2485, (2023)

12. Comparative study of pulsed laser-induced breakdown at a metal-liquid interface at two liquid temperatures using a beam-deflection probe , A Phukan, PK Baruah, A Khare, A Nath, Journal of Modern Optics, pp 931-940, (2022). https://doi.org/10.1080/09500340.2022.2101071

13. Magnetic field assisted nucleation dynamics of laser induced manganese oxide nanoparticles in water ,SM Kharphanbuh, A Phukan, A Nath, Journal of Physics D: Applied Physics, 55 , pp 375002, (2022).

14. Inquest of material dissipation from cavitation bubble in laser-irradiated solid–liquid interface , A Deka, PK Baruah, A Khare, A Nath, Radiation Effects and Defects in Solids,177, pp 244-257, (2022).

15. Investigation of the exuberant cavitation bubble and shock wave dynamics in pulsed laser ablation of copper in distilled water ,PK Baruah, A Nath, AK Sharma, A Khare, Applied Physics A , 128, pp 1-13, (2022).

16. Role of water temperature in laser induced breakdown at nickel-water interface for generation of nickel oxide nanocolloids , A Phukan, PK Baruah, A Khare, A Nath, International Journal of Nanotechnology , 18 , pp 638-648 , (2021).

17. Role of fluid mechanical effects in activating phase transition of laser-induced TiO2 nanoparticles ,P. Sharma, A Nath, Laser Physics, 30,  pp 086002, (2020).

18. Functional activity of TiO2 nanocolloids generated from diverging high power 

laser beams, Arpita Nath and Alika Khare, Radiation Effects & Defects in Solids, 173, pp 915-920, (2018).

19. Laser Provoked Metastable Phases in Liquids, Arpita Nath, Pooja Sharma and Alika Khare , Laser Physics Letters , 15 , pp 026001, (2018).

20. Ultrafast dynamics of hemin aggregates, Arpita Nath, JA Dharmadhikari, AK Dharmadhikari, D Mathur, S Mazumdar, Physical Chemistry Chemical Physics, 19 , pp. 26862, (2017).

21. Enhanced third harmonic generation in air by two-colour ultrashort laser pulses, Arpita Nath, J A Dharmadhikari, D Mathur and A, K Dharmadhikari, Applied Physics B, 122, pp. 248, (2016).

22. Effect of group velocity dispersion on supercontinuum generation and filamentation in transparent solids, J A Dharmadhikari, R Deshpande, Arpita Nath, D Mathur and A, K Dharmadhikari, Applied Physics B 117, pp. 471-479, (2014).

23. Seventh Harmonic generation from 2 μm ultrashort pulses in air, Arpita Nath, J A

Dharmadhikari, A K Dharmadhikari and Deepak Mathur, Optics Letters , 38, pp.                                   2560-2562, (2013).

24. Antimicrobial and micro Raman spectroscopy of selected Zingiberaceae species from Northeast India ,  Archana Das , Vigya Kesari, Arpita Nath, Alika Khare, Latha Rangan, Journal of Crop Science and Biotechnology, 16. pp. 75-81 (2013).

25. Laser Induced High Pressure and High Temperature conditions at titanium-water interface and its implication on TiO2 nanoparticles, Arpita Nath and Alika Khare , Journal of Optical Society of America B, 29, pp.351-356,(2012).  

26. Bacterial Inhibition by Cu/Cu2O nanocomposites prepared via laser ablation in liquids, Arpita Nath, Archana Das, Latha Rangan and Alika Khare, Science of Advance Materials, 4, pp 106-109, (2012).

27. Size induced structural modifications in copper oxide nanoparticles synthesized via laser ablation in liquids, Arpita Nath and Alika Khare, Journal of Applied Physics, 110, pp. 043111 (2011).

28. Effect of Focusing Conditions on Laser Induced Shockwaves at Titanium-Water Interface , Arpita Nath and Alika Khare , Applied Optics, 50, pp. 3275-3281 (2011).

 29. Transient Evolution of multiple bubbles in laser induced breakdown in water, Arpita Nath  and Alika Khare, Laser and Particle Beams,  29, pp 1-9, (2011).

30.  Effect of focusing conditions on synthesis of Titanium Oxide nanoparticles via laser ablation in Titanium-Water interface, Arpita Nath, Suvra Santa Laha and Alika Khare, Applied Surface Science , 257,  pp 3118-3122, (2011).

31. Synthesis of TiO2 nanoparticles via laser ablation at Titanium-water interface, Arpita Nath, Suvra Santa Laha and Alika .Khare , Integrated Ferroelectrics, 121 , pp  58-64, (2010). 

32. Measurement of charged particles and cavitation bubble expansion velocities in laser induced breakdown in water, Arpita Nath and Alika Khare, Laser and Particle Beams, 26, pp 425-432, (2008).

1. Synthesis of Nanoparticles via Pulsed High-Power Laser in Liquid , A Nath, PK Baruah, A Khare, Tailored Functional Materials, pp  521-534, (2022).
2. Laser Induced Cavitation Bubble Dynamics from Twin Breakdown Sites, P Deb, PK Baruah, A Khare, A Nath , 2019 Workshop on Recent Advances in Photonics (WRAP), pp 1-3, (2019).
3. Surface Enhanced Raman Scattering and Antibacterial Capability of Pulsed Laser Ablated Metal/Metal Oxide Nanoparticles, Prahlad K. Baruah, Arpita Nath, Ishani Chakrabartty, Anuma Singh, Archana Das, Latha Rangan, Ashwini K. Sharma and Alika Khare, Advances in Science and Technology, pp 140-144, (2019).
4. Antibacterial Activity of Cu@Cu2O Nanoparticles Synthesized via Laser Ablation in Liquids, Arpita Nath, Archana Das, Latha Rangan and Alika Khare, Proc. SPIE, 8173,81730A (2011).
5. Spectroscopic investigations on Laser Induced Breakdown in Water, Arpita Nath and Alika Khare , Journal of Physics : Conference Series, 208, pp 012090, (2010).
6. Laser induced breakdown in liquid and solid-liquid interface, Alika Khare and Arpita Nath ,Kiran – A Bulletin of Indian Laser Association,19,pp 01-06 ,(2008).

Book:

1. “Enhancement of LIBS Signal Under Liquid Using External Electric and Magnetic Fields,” In: Singh, V.K. (eds) Laser Induced Breakdown Spectroscopy (LIBS). Arindom Phukan, and Arpita Nath, Springer, Cham (2025).
2. “Laser Ablation in Liquids - Principles and Applications in the Preparation of Nanomaterials”, by Guowei Yang , Chapter 18 : Laser–Induced Breakdown in Liquid and at Solid–Liquid Interface, Arpita Nath and Alika Khare, Pan Stanford Publications, pp.947 (2012).

Spring 2026

1. PH 406 - Statistical Mechanics

2. PH 482 - General Physics Laboratory