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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 29 — Oct. 10, 2007
  • pp: 7120–7131

Fabry–Perot interferometer based Mie Doppler lidar for low tropospheric wind observation

Haiyun Xia, Dongsong Sun, Yuanhong Yang, Fahua Shen, Jingjing Dong, and Takao Kobayashi  »View Author Affiliations


Applied Optics, Vol. 46, Issue 29, pp. 7120-7131 (2007)
http://dx.doi.org/10.1364/AO.46.007120


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Abstract

Similar in principle to recent implementations of a lidar system at 355 nm [Opt. Lett. 25, 1231 (2000), Appl. Opt. 44, 6023 (2005)], an incoherent-detection Mie Doppler wind lidar at 1064 nm was developed and deployed in 2005 [Opt. Rev. 12, 409 (2005)] for wind measurements in the low troposphere, taking advantage of aerosol scattering for signal enhancement. We present a number of improvements made to the original 1064 nm system to increase its robustness for long-period operation. These include a multimode fiber for receiving the reference signal, a mode scrambler to allow uniform illumination over the Fabry–Perot interferometer, and a fast scannable Fabry–Perot interferometer for calibration and for the determination of outgoing laser frequency during the wind observation. With these improvements in stability, the standard deviation of peak transmission and FWHM of the Fabry–Perot interferometer was determined to be 0.49% and 0.36%, respectively. The lidar wind measurements were validated within a dynamic range of ± 40 m / s . Comparison experiments with both wind profiler radar and Vaisala wiresonde show good agreement with expected observation error. An example of 24 h continuous observations of wind field and aerosol backscatter coefficients in the boundary layer with 1 min and 30   m temporal and spatial resolution and 3 m∕s tolerated wind velocity error is presented and fully demonstrates the stability and robustness of this lidar.

© 2007 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.3640) Atmospheric and oceanic optics : Lidar
(280.0280) Remote sensing and sensors : Remote sensing and sensors
(280.1100) Remote sensing and sensors : Aerosol detection
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: April 25, 2007
Revised Manuscript: July 30, 2007
Manuscript Accepted: August 8, 2007
Published: October 3, 2007

Citation
Haiyun Xia, Dongsong Sun, Yuanhong Yang, Fahua Shen, Jingjing Dong, and Takao Kobayashi, "Fabry-Perot interferometer based Mie Doppler lidar for low tropospheric wind observation," Appl. Opt. 46, 7120-7131 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-29-7120

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