TY - JOUR
T1 - Demonstration of ultrashort laser pulse amplification in plasmas by a counterpropagating pumping beam
AU - Ping, Y.
AU - Geltner, I.
AU - Fisch, N. J.
AU - Shvets, G.
AU - Suckewer, S.
PY - 2000/1/1
Y1 - 2000/1/1
N2 - We experimentally demonstrated amplification of ultrashort laser pulses (200 fs pulses) in microcapillary plasmas by a counterpropagating pumping beam. Energy amplification as large as a factor of 5 was observed. Importantly, a nonlinear pump depletion regime must have been accessed, since the parameters support not only the amplification of the pulse, but an absolutely growing instability if the pump is not depleted. Further indication of accessing the nonlinear depletion is indicated by the relative insensitivity to the initial pulse energy.
AB - We experimentally demonstrated amplification of ultrashort laser pulses (200 fs pulses) in microcapillary plasmas by a counterpropagating pumping beam. Energy amplification as large as a factor of 5 was observed. Importantly, a nonlinear pump depletion regime must have been accessed, since the parameters support not only the amplification of the pulse, but an absolutely growing instability if the pump is not depleted. Further indication of accessing the nonlinear depletion is indicated by the relative insensitivity to the initial pulse energy.
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U2 - 10.1103/PhysRevE.62.R4532
DO - 10.1103/PhysRevE.62.R4532
M3 - Article
AN - SCOPUS:0034297705
SN - 1063-651X
VL - 62
SP - R4532
JO - Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
JF - Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
IS - 4
ER -