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Optics Letters

Optics Letters


  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1302–1304

A flat spectral Faraday filter for sodium lidar

Yang Yong, Cheng Xuewu, Li Faquan, Hu Xiong, Lin Xin, and Gong Shunsheng  »View Author Affiliations

Optics Letters, Vol. 36, Issue 7, pp. 1302-1304 (2011)

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We report a flat spectral Faraday anomalous dispersion optical filter (FS-FADOF) for sodium lidar. The physical and technical considerations for obtaining a FS-FADOF with a 3.5 GHz flat spectral transmission function are presented. It was found that the effective transmission of this filter was much higher ( > 94 % ) and more uniform than that of the ultranarrowband FADOF, and therefore were less sensitive to laser-frequency drift. Thus, the FS-FADOF can improve lidar efficiency and precision.

© 2011 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(020.2930) Atomic and molecular physics : Hyperfine structure
(280.3640) Remote sensing and sensors : Lidar
(290.1310) Scattering : Atmospheric scattering

ToC Category:
Remote Sensing and Sensors

Original Manuscript: January 31, 2011
Revised Manuscript: March 9, 2011
Manuscript Accepted: March 10, 2011
Published: April 1, 2011

Yang Yong, Cheng Xuewu, Li Faquan, Hu Xiong, Lin Xin, and Gong Shunsheng, "A flat spectral Faraday filter for sodium lidar," Opt. Lett. 36, 1302-1304 (2011)

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