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Ravindra Kumar G
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Picosecond optical nonlinearity in monolayer-protected gold, silver, and gold-silver alloy nanoclusters
R Philip, GR Kumar, N Sandhyarani, T Pradeep
Physical Review B 62 (19), 13160, 2000
3542000
Plasma devices to guide and collimate a high density of MeV electrons
R Kodama, Y Sentoku, ZL Chen, GR Kumar, SP Hatchett, Y Toyama, ...
Nature 432 (7020), 1005-1008, 2004
2272004
Metal nanoplasmas as bright sources of hard x-ray pulses
PP Rajeev, P Taneja, P Ayyub, AS Sandhu, GR Kumar
Physical review letters 90 (11), 115002, 2003
1942003
Highly efficient broadband terahertz generation from ultrashort laser filamentation in liquids
I Dey, K Jana, VY Fedorov, AD Koulouklidis, A Mondal, M Shaikh, ...
Nature communications 8 (1), 1184, 2017
1762017
Near-Complete Absorption of Intense, Ultrashort Laser Light by Sub-λ Gratings
S Kahaly, SK Yadav, WM Wang, S Sengupta, ZM Sheng, A Das, PK Kaw, ...
Physical review letters 101 (14), 145001, 2008
1552008
Studies of third-order optical nonlinearity and nonlinear absorption in tetra tolyl porphyrins using degenerate four wave mixing and Z-scan
SV Rao, NKMN Srinivas, DN Rao, L Giribabu, BG Maiya, R Philip, ...
Optics Communications 182 (1-3), 255-264, 2000
1542000
Direct observation of turbulent magnetic fields in hot, dense laser produced plasmas
S Mondal, V Narayanan, WJ Ding, AD Lad, B Hao, S Ahmad, WM Wang, ...
Proceedings of the National Academy of Sciences 109 (21), 8011-8015, 2012
1282012
Laser-generated ultrashort multimegagauss magnetic pulses in plasmas
AS Sandhu, AK Dharmadhikari, PP Rajeev, GR Kumar, S Sengupta, ...
Physical review letters 89 (22), 225002, 2002
1262002
Highly enhanced hard x-ray emission from oriented metal nanorod arrays excited by intense femtosecond laser pulses
S Mondal, I Chakraborty, S Ahmad, D Carvalho, P Singh, AD Lad, ...
Physical Review B 83 (3), 035408, 2011
992011
Molecular pendular states in intense laser fields
GR Kumar, P Gross, CP Safvan, FA Rajgara, D Mathur
Physical Review A 53 (5), 3098, 1996
961996
Focal dynamics of multiple filaments: Microscopic imaging and reconstruction
PP Kiran, S Bagchi, SR Krishnan, CL Arnold, GR Kumar, A Couairon
Physical Review A 82 (1), 013805, 2010
802010
Surface acceleration of fast electrons with relativistic self-focusing in preformed plasma
H Habara, K Adumi, T Yabuuchi, T Nakamura, ZL Chen, M Kashihara, ...
Physical review letters 97 (9), 095004, 2006
792006
Optimum hot electron production with low-density foams for laser fusion by fast ignition
AL Lei, KA Tanaka, R Kodama, GR Kumar, K Nagai, T Norimatsu, ...
Physical review letters 96 (25), 255006, 2006
782006
Three-photon absorption in ZnSe and ZnSe/ZnS quantum dots
AD Lad, P Prem Kiran, G Ravindra Kumar, S Mahamuni
Applied physics letters 90 (13), 133113-133113-3, 2007
762007
Laser damage studies of silicon surfaces using ultra-short laser pulses
AP Singh, A Kapoor, KN Tripathi, GR Kumar
Optics & Laser Technology 34 (1), 37-43, 2002
762002
Filamentation without intensity clamping
P Prem Kiran, S Bagchi, CL Arnold, SR Krishnan, GR Kumar, A Couairon
Optics Express 18 (20), 21504-21510, 2010
752010
Dynamic and geometric alignment of in intense laser fields of picosecond and femtosecond duration
S Banerjee, GR Kumar, D Mathur
Physical Review A 60 (5), R3369, 1999
741999
Two-photon absorption in ZnSe and core/shell quantum structures
AD Lad, PP Kiran, D More, GR Kumar, S Mahamuni
Applied Physics Letters 92 (4), 043126, 2008
702008
Sensitive measurement of absolute two-photon absorption cross sections
P Sengupta, J Balaji, S Banerjee, R Philip, GR Kumar, S Maiti
The Journal of Chemical Physics 112, 9201, 2000
682000
Nanostructures, local fields, and enhanced absorption in intense light-matter interaction
PP Rajeev, P Ayyub, S Bagchi, GR Kumar
Optics letters 29 (22), 2662-2664, 2004
652004
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Articles 1–20