Phase Velocity and Particle Injection in a Self-Modulated Proton-Driven<? format?> Plasma Wakefield Accelerator A Pukhov, N Kumar, T Tückmantel, A Upadhyay, K Lotov, P Muggli, ... Physical review letters 107 (14), 145003, 2011 | 148 | 2011 |
Natural noise and external wakefield seeding in a proton-driven plasma accelerator KV Lotov, GZ Lotova, VI Lotov, A Upadhyay, T Tückmantel, A Pukhov, ... Physical Review Special Topics—Accelerators and Beams 16 (4), 041301, 2013 | 38 | 2013 |
Asymmetric self-focusing of a laser pulse in plasma A Upadhyay, VK Tripathi, AK Sharma, HC Pant Journal of plasma physics 68 (1), 75-80, 2002 | 21 | 2002 |
Tunable terahertz radiation generation by nonlinear photomixing of cosh-Gaussian laser pulses in corrugated magnetized plasma P Varshney, V Sajal, A Upadhyay, JA Chakera, R Kumar Laser and Particle Beams 35 (2), 279-285, 2017 | 19 | 2017 |
Second harmonic generation in a laser channel A Upadhyay, VK Tripathi Journal of plasma physics 71 (3), 359-366, 2005 | 15 | 2005 |
Betatron resonance electron acceleration and generation of relativistic electron beams using 200 fs Ti: sapphire laser pulses D Hazra, A Moorti, BS Rao, A Upadhyay, JA Chakera, PA Naik Plasma Physics and Controlled Fusion 60 (8), 085015, 2018 | 12 | 2018 |
Role of target material in proton acceleration from thin foils irradiated by ultrashort laser pulses M Tayyab, S Bagchi, B Ramakrishna, T Mandal, A Upadhyay, R Ramis, ... Physical Review E 90 (2), 023103, 2014 | 12 | 2014 |
Estimation of electron density and temperature of semiconductor surfaces excited by ultra-short laser pulses U Chakravarty, PA Naik, JA Chakera, A Upadhyay, PD Gupta Applied Physics A 115, 1457-1467, 2014 | 12 | 2014 |
Three-dimensional simulation of laser–plasma-based electron acceleration A Upadhyay, K Patel, BS Rao, PA Naik, PD Gupta Pramana 78, 613-623, 2012 | 12 | 2012 |
Pulse front sharpening of a laser beam in plasma A Upadhyay, VK Tripathi, HC Pant Physica Scripta 63 (4), 326, 2001 | 12 | 2001 |
Effect of laser intensity redistribution on semiconductor plasma based THz emission P Varshney, AP Singh, A Upadhyaay, M Kundu, K Gopal Optik 250, 168353, 2022 | 10 | 2022 |
Development of high power laser and relevant technology in India AS Joshi, CP Navathe, MS Ansari, MP Kamath, S Bandyopadhyay, ... Fusion engineering and design 44 (1-4), 67-70, 1999 | 10 | 1999 |
Principles of self-modulated proton driven plasma wake field acceleration A Pukhov, T Tuckmantel, N Kumar, A Upadhyay, K Lotov, V Khudik, ... AIP Conference Proceedings 1507 (1), 103-110, 2012 | 9 | 2012 |
Terahertz emission from nonlinear interaction of laser beat wave with nanoparticles P Varshney, K Gopal, A Upadhyay Laser Physics Letters 17 (12), 126002, 2020 | 8 | 2020 |
Mono-energetic heavy ion acceleration from laser plasma based composite nano-accelerator M Tayyab, S Bagchi, JA Chakera, DK Avasthi, R Ramis, A Upadhyay, ... Physics of Plasmas 25 (12), 2018 | 8 | 2018 |
Enhanced water window x-ray emission from in situ formed carbon clusters irradiated by intense ultra-short laser pulses U Chakravarty, BS Rao, V Arora, A Upadhyay, H Singhal, PA Naik, ... Applied Physics Letters 103 (5), 2013 | 8 | 2013 |
Experimental study of fast electron generation from intense laser irradiated mylar foil with thin metal coating on front or rear surfaces T Mandal, V Arora, A Moorti, A Upadhyay, JA Chakera Physics of Plasmas 26 (1), 2019 | 7 | 2019 |
Direct laser acceleration of electrons in a high-Z gas target and the effect of threshold plasma density on electron beam generation D Hazra, A Moorti, S Mishra, A Upadhyay, JA Chakera Plasma Physics and Controlled Fusion 61 (12), 125016, 2019 | 5 | 2019 |
Shock wave propagation in soda lime glass using optical shadowgraphy YB SR PRASAD, S Barnwal, PA Naik, Y Yadav, R Patidar, MP Kamath, ... Pramana 87, 1-8, 2016 | 5 | 2016 |
Weibel instability of relativistic electron flows in a laser produced plasma A Upadhyay, VK Tripathi Plasma physics and controlled fusion 44 (11), 2357, 2002 | 5 | 2002 |