Investigation of SBS pumped with a broadband KrF laser

wang xiao hui; l zhi wei; lin dian yang; wang chao; zhao xiao yan; tang xiu zhang; zhang hai feng; shan yu sheng

Volume 14 Issue 05

Oct. 2002

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Article Navigation > High Power Laser and Particle Beams > 2002 > 14(05): 0-

shen feng, zhang xue-jun, jiang wen-han. Effects of signal induced background (SIB) of image intensifier on centroid measurement of low-level-light target and the method of SIB noise suppression [J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

wang xiao hui, l zhi wei, lin dian yang, et al. Investigation of SBS pumped with a broadband KrF laser[J]. High Power Laser and Particle Beams, 2002, 14.

Citation:

wang xiao hui, l zhi wei, lin dian yang, et al. Investigation of SBS pumped with a broadband KrF laser[J]. High Power Laser and Particle Beams, 2002, 14.

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Investigation of SBS pumped with a broadband KrF laser

1.
Institute of Opto Electronics,Harbin Institute of Technology,Harbin 150001,China;
2.
China Institute of Atomic Energy,Beijing 102413,China

Publish Date: 2002-10-15

Abstract

Abstract

The characteristics of stimulated Brillouin scattering reflectivity and pulse compression ratio for broadband (15GHz) KrF laser radiation pump in SF6 gas are investigated numerically and experimentally in this paper. It has obtained that a peak reflectivity of 40% and 45% has been measured at 1.6MPa with lenses of focal length 15cm and 30cm, respectively, and a saturated region of SBS reflectivity is discovered at pump energy above 60mJ. SBS pulse compression ratio decreases with pump energy at 0.85MPa.and the maximum of pulse compression ration measured is 5. SBS numerical mode for a broadband multimode KrF laser pump has been built up in this paper. The basic premises of the mode are that SBS arises from each laser line with coupling to some extent. In this paper numerical results have b
- krf laser,
- stimulated brillouin scattering,
- reflectivity,
- pulse compression

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