Measurement of stimulated Brillouin scattering threshold by the optical limiting of pump output energy

被引：18
|
作者：
Gao, W. [1 ,2 ]
Lu, Z. W. [1 ]
Wang, S. Y. [1 ]
He, W. M. [1 ]
Hasi, W. L. J. [1 ]
机构：
[1] Harbin Inst Technol, Inst Optoelect, Harbin 150080, Peoples R China
[2] Harbin Univ Sci & Technol, Dept Opt Informat Sci & Technol, Harbin 150001, Peoples R China
来源：
LASER AND PARTICLE BEAMS | 2010年 / 28卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Stimulated Brillouin scattering; SBS optical limiting; SBS threshold; Threshold exponential gain; SLOW LIGHT; AMPLIFICATION; COMBINATION; COMPETITION; SPECTRUM; SBS;
D O I：
10.1017/S0263034610000054
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A new approach to measure stimulated Brillouin scattering threshold based on the output energy characteristic of stimulated Brillouin scattering optical limiting is proposed. The stimulated Brillouin scattering threshold or its exponential gain, G(th), can be accurately and conveniently determined by the intersection point of linear-fitting lines of the output energy below and above the threshold. The values of G(th) in CS2 and FC-72 for different wavelengths and interaction lengths are measured in Continuum's Nd:YAG Q-switched laser and its frequency-doubled system. We show that G(th) for transient regime is larger than that for steady state, and increases with the pump wavelength and the in length.
引用
收藏
页码：179 / 184
页数：6
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