A method to measure the Brillouin frequency shift of the medium through Brillouin amplification ratio

被引：7
作者：
Institute of Opto-electronics, Harbin Institute of Technology, Harbin 150001, China [1 ]
机构：
[1] Institute of Opto-electronics, Harbin Institute of Technology
来源：
Chin. Phys. | 2007年 / 1卷 / 154-158期
关键词：
Brillouin frequency shift; Liquid mixture; Stimulated Brillouin scattering;
D O I：
10.1088/1009-1963/16/1/027
中图分类号：
学科分类号：
摘要：
In order to measure the Brillouin frequency shift (BFS) of the medium, this paper proposes a method using mixtures in a two-cell stimulated Brillouin scattering system, which uses a medium to be measured as amplifier medium and a mixture medium as generator medium. The seed light from the generator gains effective amplification in the amplifier and the amplification ratio changes with the mixing fraction. Only when the BFS of the mixture medium is equal to that of the medium in the amplifier does the seed light obtain the maximum amplification ratio. The method has the advantage of independence of the wavelength of the incident light. © 2007 Chin. Phys. Soc. and IOP Publishing Ltd.
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页码：154 / 158
页数：4
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