Follow
Dr.Srinivasa Rao Ragam
Dr.Srinivasa Rao Ragam
Principal Scientist, CSIR-National Physical Laboratory, New Delhi
Verified email at nplindia.org
Title
Cited by
Cited by
Year
Compact and portable terahertz source by mixing two frequencies generated simultaneously by a single solid-state laser
P Zhao, S Ragam, YJ Ding, IB Zotova
Optics letters 35 (23), 3979-3981, 2010
1272010
Power scalability and frequency agility of compact terahertz source based on frequency mixing from solid-state lasers
P Zhao, S Ragam, YJ Ding, IB Zotova
Applied Physics Letters 98 (13), 2011
842011
Investigation of terahertz generation from passively Q-switched dual-frequency laser pulses
P Zhao, S Ragam, YJ Ding, IB Zotova
Optics letters 36 (24), 4818-4820, 2011
722011
Structural, optical and electronic properties of homoepitaxial GaN nanowalls grown on GaN template by laser molecular beam epitaxy
SS Kushvaha, MS Kumar, AK Shukla, BS Yadav, DK Singh, M Jewariya, ...
RSC advances 5 (107), 87818-87830, 2015
492015
Terahertz intracavity generation from output coupler consisting of stacked GaP plates
P Zhao, S Ragam, YJ Ding, IB Zotova
Applied Physics Letters 101 (2), 2012
252012
Enhancement of CW THz wave power under noncollinear phase-matching conditions in difference frequency generation
S Ragam, T Tanabe, K Saito, Y Oyama, J Nishizawa
Journal of Lightwave Technology 27 (15), 3057-3061, 2009
232009
Continuous wave terahertz wave spectrometer based on diode laser pumping: Potential applications in high resolution spectroscopy
T Tanabe, S Ragam, Y Oyama
Review of Scientific Instruments 80 (11), 2009
162009
Digital predistortion of 75–110 GHz W-band frequency multiplier for fiber wireless short range access systems
Y Zhao, L Deng, X Pang, X Yu, X Zheng, H Zhang, IT Monroy
Optics Express 19 (26), B18-B25, 2011
92011
Recent progress on terahertz generation based on difference frequency generation: from power scaling to compact and portable sources
YJ Ding, P Zhao, S Ragam, D Li, IB Zotova
Chinese Optics Letters 9 (11), 110004, 2011
72011
CW terahertz wave generation with laser diode pumping and its applications for high-resolution terahertz spectroscopy
T Tanabe, H Dezaki, S Ragam, Y Oyama, JI Nishizawa
Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals 74 (3 …, 2010
52010
The impact of RF-plasma power in carrier relaxation dynamics of unintentional doped GaN epitaxial layers grown by MBE
N Prakash, K Anand, A Barvat, P Pal, DK Singh, M Jewariya, S Ragam, ...
Optical Materials 54, 26-31, 2016
32016
Terahertz source
P Zhao, SR Ragam
US Patent App. 13/154,482, 2012
32012
Singly-resonant optical parametric oscillator in adhesive-free-bonded periodically inverted KTiOPO4 plates: Achieving oscillations at dual wavelengths
P Zhao, S Ragam, YJ Ding, IB Zotova, X Mu, HC Lee, SK Meissner, ...
CLEO: 2011-Laser Science to Photonic Applications, 1-2, 2011
32011
Power scaling of actively Q-switched synchronized dual-frequency laser pulses based on two Nd: YLF crystals
S Ragam, P Zhao, YJ Ding, IB Zotova
CLEO: Science and Innovations, CMP4, 2011
32011
Two-directional CW THz wave generation system by pumping with a single fiber amplifier of near-IR lasers
T Tanabe, S Ragam, Y Oyama, T Sasaki, J Nishizawa, M Ohkado, ...
IEEE Photonics Technology Letters 21 (4), 260-262, 2009
32009
Simultaneous generation of multiple thz frequencies tunable for novel applications
P Zhao, S Ragam, L Wang, YJ Ding, IB Zotova, X Mu, HC Lee, ...
CLEO: Science and Innovations, CTu1B. 8, 2012
22012
Generation of terahertz pulses by mixing dual-frequency pulses from Yb: YAG laser
P Zhao, S Ragam, YJ Ding, IB Zotova
2012 Conference on Lasers and Electro-Optics (CLEO), 1-2, 2012
22012
Comparison of CW THz wave spectrometer with laser diode excitation and pulsed THz wave spectrometer with Cr: forsterite sources based on difference frequency generation of near …
S Ragam, T Tanabe, Y Oyama, K Watanabe, H Dezaki
Journal of Infrared, Millimeter, and Terahertz Waves 31, 1164-1170, 2010
22010
Terahertz Sources Based on Difference-Frequency Generation for Spectroscopy and Biomaterial Analysis
SR Ragam, P Zhao, Y Oyama
Terahertz Biomedical and Healthcare Technologies, 43-55, 2020
12020
Generation of high power terahertz pulse using tilted wavefront technique and its prospectus in non linear terahertz spectroscopy and three-dimensional computed tomography
M Jewariya, SR Ragam, M Nagai, K Tanaka, E Abraham, T Yasui
International Conference on Fibre Optics and Photonics, S4C. 3, 2014
12014
The system can't perform the operation now. Try again later.
Articles 1–20