標題: Femtosecond pulses cleaning by transient-grating process Kerr-optical media
作者: Liu, Jun
Okamura, Kotaro
Kida, Yuichiro
Kobayashi, Talcayoshi
電子物理學系
Department of Electrophysics
公開日期: 10-五月-2011
摘要: We use a transient-grating (TG) process in a Kerr bulk medium to clean a femtosecond laser pulse. Using the technique, the temporal contrast of the generated TO signal is improved by more than two orders of magnitude in comparison with the incident pulse in a 0.5-mm-thick fused silica plate. The laser spectrum is smoothed and broadened, and the pulse duration is shortened simultaneously. We expect to extend this technique to a clean pulse with broadband spectral bandwidth at a wide spectral range because it is a phase-matched process.
URI: http://dx.doi.org/10.3788/COL201109.051903
http://hdl.handle.net/11536/8865
ISSN: 1671-7694
DOI: 10.3788/COL201109.051903
期刊: CHINESE OPTICS LETTERS
Volume: 9
Issue: 5
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