Experimental evidence of short light pulse amplification using strong-coupling stimulated brillouin scattering in the pump depletion regime.
Phys Rev Lett
; 104(2): 025001, 2010 Jan 15.
Article
em En
| MEDLINE
| ID: mdl-20366602
ABSTRACT
The energy transfer from a long (3.5 ps) pump pulse to a short (400 fs) seed pulse due to stimulated Brillouin backscattering in the strong-coupling regime is investigated. The two pulses, both at the same wavelength of 1.057 microm are quasicounterpropagating in a preformed underdense plasma. Relative amplification factors for the seed pulse of up to 32 are obtained. The maximum obtained amplified energy is 60 mJ. Simulations are in agreement with the experimental results and suggest paths for further improvement of the amplification scheme.
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MEDLINE
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En
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Phys Rev Lett
Ano de publicação:
2010
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Article
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França