Optimization of etalon parameters in direct detection Doppler wind lidar

xia hai-yun; sun dong-song; shen fa-hua; dong jing-jing

Volume 18 Issue 11

Nov. 2006

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Article Navigation > High Power Laser and Particle Beams > 2006 > 18(11): 0-

wang yinglong, luo qingshan, deng zechao, et al. Influence of additional gas flow on size distribution of Si nanoparticles deposited by pulsed laser ablation[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

xia hai-yun, sun dong-song, shen fa-hua, et al. Optimization of etalon parameters in direct detection Doppler wind lidar[J]. High Power Laser and Particle Beams, 2006, 18.

Citation:

xia hai-yun, sun dong-song, shen fa-hua, et al. Optimization of etalon parameters in direct detection Doppler wind lidar[J]. High Power Laser and Particle Beams, 2006, 18.

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Optimization of etalon parameters in direct detection Doppler wind lidar

1.
School of Instrument Science and Photo-electronics Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100083,China;
2.
Anhui Insititute of Optics and Fine Mechanics,Chinese Academy of Sciences,P.O.Box 1125,Hefei 230031,China

Publish Date: 2006-11-15

Abstract

Abstract

Based on double-edge technique, the optimization of the operation parameters of Fabry-Perot interferometers in the direct detection Doppler wind lidar is presented. The effects of the laser spectral width, mirror surface defects, parallelism errors, beam divergence of illumination on the transmittance of the etalon are considered. By convolution method, the Fabry-Perot interferometer transmittance function with different spectral broadening defect is given. The free spectrum range is chosen to subtract the Rayleigh signal from the atmospheric back-scattering correctly. The transmittance of aerosol back-scatter signal through the interferometer is expressed as a function of the reflectance finesse, which is the unique system parameter. By considering the ratio of the measurement uncertainty
- fabry-perot interferometer,
- optimization,
- wind lidar,
- reflectance finesse

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