Application and analysis of the dual Fabry-Perot etalon in a direct detection wind lidar

chi ru-li; liu dong; zhong zhi-qing; sun dong-song; zhou jun; hu huan-ling

Volume 19 Issue 02

Feb. 2007

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Article Navigation > High Power Laser and Particle Beams > 2007 > 19(02): 0-

yan eryan, ma hongge, meng fanbao. Preliminary study of wave-chaotic scattering in microwave cavity[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

chi ru-li, liu dong, zhong zhi-qing, et al. Application and analysis of the dual Fabry-Perot etalon in a direct detection wind lidar[J]. High Power Laser and Particle Beams, 2007, 19.

yan eryan, ma hongge, meng fanbao. Preliminary study of wave-chaotic scattering in microwave cavity[J]. High Power Laser and Particle Beams, 2009, 21.

Citation:

chi ru-li, liu dong, zhong zhi-qing, et al. Application and analysis of the dual Fabry-Perot etalon in a direct detection wind lidar[J]. High Power Laser and Particle Beams, 2007, 19.

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Application and analysis of the dual Fabry-Perot etalon in a direct detection wind lidar

1.
National Atmospheric Optics Laboratory,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,P.O.Box 1125,Hefei 230031,China;
2.
Automobile Management College of Peoples’s Liberation Army,Bengbu 233000,China

Publish Date: 2007-02-15

Abstract

Abstract

A direct detection Doppler wind lidar with the dual Fabry-Perot technique has been built and the system is described. The dual etalon with high-spectral resolution is used to discriminate the Doppler shift by the aerosol backscattering. Analysis shows that the etalon transmittance is affected by the beam divergence. The stability of the dual etalon is also analyzed and the result shows the system is steady in 100 min. The transmittance curve of the dual etalon is measured, which indicates that the error in the velocity dynamic range is less than 0.6 m/s for heights up to 5 km and the error increases with the large radial velocity and decreases with pulse number increasing.
- atmospheric optics,
- lidar,
- doppler,
- wind field measurement,
- fabry-perot etalon

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