Zobrazeno 1 - 10
of 149
pro vyhledávání: '"P Prem Kiran"'
Publikováno v:
The Journal of the Acoustical Society of America. 153:1655-1661
We present an acoustic detection technique to study the interaction of two shock waves emitted by two nearby, simultaneous, laser-induced air-breakdown events that resembles the phenomenon of interaction of fluids. A microphone is employed to detect
Akademický článek
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Autor:
Alan B. Samuel, M. M. Neethish, V. V. Ravi Kanth Kumar, Samuel Anurag Nalam, S. Sree Harsha, P. Prem Kiran
Publikováno v:
Journal of Applied Physics. 133:093104
Supercontinuum (SC) generation from alkali antimony zinc borate glasses was investigated using a femtosecond laser. The optical bandgap values were determined for all the glass samples. An enhancement in the generated SC is seen from sodium-doped gla
Autor:
M.M. Neethish, Jitendra Nath Acharyya, P Prem Kiran, G. Vijaya Prakash, Alok Sharan, V.V. Ravi Kanth Kumar
Publikováno v:
Journal of Luminescence. 251:119190
Autor:
P. Prem Kiran, Johny Varghese, Pardhu Yella, Ramesh Kumar Buddu, Koteswararao V. Rajulapati, K. Bhanu Sankara Rao
Publikováno v:
INAE Letters. 4:215-225
Nanoindentation has been used to evaluate various mechanical properties of affected regions of laser shock-peened (LSP) stainless steels, SS316LN and SS304 plates. Depending on the applied laser parameters (laser energy, pulse width), the hardness wa
Publikováno v:
Optics express. 29(10)
Femtosecond laser pulse induced filamentation in atmosphere is susceptible to a number of input laser, focusing optics and medium characteristics. Filamentation of fs pulses in atmosphere is an intense propagation regime where the focusing geometry u
Autor:
S. Sree Harsha, Rajendhar Junjuri, Samuel Anurag Nalam, P. Prem Kiran, E. Manikanta, Manoj Kumar Gundawar
Publikováno v:
Optics express. 29(7)
We present the spatial and temporal characterization of the copper (Cu) plasma produced by the femtosecond laser filaments. The filaments of various lengths and intensities were generated with the aid of three different focusing lenses. Further, the
Publikováno v:
Optics letters. 46(6)
We report an enhanced supercontinuum generation (SCG) from a rare-earth ( P r 3 + ) doped low bandgap zinc borate glass when excited with 60 fs pulses from a Ti-sapphire laser. The emission associated with the absorption bands due to P r 3 + doping (
Publikováno v:
2020 IEEE International Conference on Plasma Science (ICOPS).
Publikováno v:
2020 IEEE International Conference on Plasma Science (ICOPS).