A method to measure the Brillouin linewidth of SBS medium using mixture media

被引：3

作者：

Hasi Wu-Ji ^{[1
]}

Liu Shu-Jie ^{[1
]}

Lue Zhi-Wei ^{[1
]}

Yin Guo-He ^{[1
]}

Teng Yun-Peng ^{[1
]}

He Wei-Ming ^{[1
]}

Zhao Xiao-Yan ^{[1
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Tunable Laser Technol, Harbin 150001, Peoples R China

来源：

ACTA PHYSICA SINICA | 2008年 / 57卷 / 03期

关键词：

stimulated Brillouin scattering; liquid mixture; Brillouin linewidth;

D O I：

10.7498/aps.57.1709

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In order to measure the Brillouin linewidth of SBS medium, a method using mixture media in two-cell stimulated Brillouin scattering (SBS) system is proposed, which uses the medium to be measured as amplifier medium and the mixture media as generator medium. The profile of gain coefficient versus the difference of Brillouin frequency shift is fitted with Lorentzian curve. The width at half-maximum of this curve is the Brillouin linewidth. In the experiment, using Nd: YAG Q-switched laser system and CCl4/C6H6 mixture, we measured the Brillouin linewidth of SBS media tetrachloroethylene (C2Cl4), hexachlorobutadiene (C4Cl6), acetone (C3H6O) and n-hexane (C6H14). The results show that the measured values are close to those calculated or published by other authors.

引用

页码：1709 / 1713

页数：5

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