Dependence of spectrum on pump-signal angle in BBO-I noncollinear optical-parametric chirped-pulse amplification |
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| Authors: | X Yang Z Xu Z Zhang Y Leng J Peng J Wang S Jin W Zhang R Li |
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| Institution: | (1) Laboratory for High Intensity Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O.Box 800-211, Shanghai 201800, China, CN |
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| Abstract: | A BBO-I noncollinear optical-parametric chirped-pulse amplifier pumped by a Q-switched and frequency-doubled Nd:YAG laser
has been demonstrated. At an optimal pump-signal angle, the temporally stretched chirped signal pulses with bandwidth of 36 nm
(FWHM) were amplified without any distortion in spectrum. The gain bandwidth was very sensitive to the pump-signal angle.
Variation of this angle by about 1.5 mrad may significantly reduce the amplified bandwidth and result in a significant distortion
in the amplified spectrum.
Received: 5 October 2000 / Revised version: 13 June 2001 / Published online: 19 September 2001 |
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| Keywords: | PACS: 42 60 Lh 42 62 Fi 42 65 -K 42 65 Re 42 65 Yj |
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