Realization of High Performance LDA-systems using Optical Amplifiers, High Power Semiconductor Lasers and Optical Fiber Lasers

被引：0
|
作者：
Dopheide D. [1 ]
Többen H. [1 ]
Strunck V. [1 ]
Grosche G. [1 ]
Müller H. [1 ]
机构：
[1] Phys.-Technische Bundesanstalt, Department for Fluid Mechanics, Bundesallee 100
来源：
Journal of Visualization | 2000年 / 2卷 / 3-4期
关键词：
Fibre amplifier LDA; Fibre laser LDA; Novel LDA-techniques; Optical amplifiers; Semiconductor laser LDA;
D O I：
10.1007/BF03181444
中图分类号：
学科分类号：
摘要：
Advanced novel techniques for sophisticated LDA applications are presented in this paper. By applying laser sources with high output powers like MOPA-lasers (master oscillator power amplifier), fiber lasers and booster fiber amplifiers to increase the laser power in the measuring volume and by amplifying the scattered light power with optical fiber preamplifiers to increase the sensitivity of the receiving units, the signal-to-noise-ratio of laser Doppler signals is drastically improved and the overall performance of a laser Doppler anemometer is significantly enhanced.
引用
收藏
页码：281 / 292
页数：11
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