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Applied Optics

Applied Optics


  • Vol. 41, Iss. 36 — Dec. 20, 2002
  • pp: 7516–7521

Spatial filtering efficiency of monostatic biaxial lidar: analysis and applications

Ravil R. Agishev and Adolfo Comeron  »View Author Affiliations

Applied Optics, Vol. 41, Issue 36, pp. 7516-7521 (2002)

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Results of lidar modeling based on spatial-angular filtering efficiency criteria are presented. Their analysis shows that the low spatial-angular filtering efficiency of traditional visible and near-infrared systems is an important cause of low signal/background-radiation ratio (SBR) at the photodetector input. The low SBR may be responsible for considerable measurement errors and ensuing the low accuracy of the retrieval of atmospheric optical parameters. As shown, the most effective protection against sky background radiation for groundbased biaxial lidars is the modifying of their angular field according to a spatial-angular filtering efficiency criterion. Some effective approaches to achieve a high filtering efficiency for the receiving system optimization are discussed.

© 2002 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(080.2720) Geometric optics : Mathematical methods (general)
(280.3640) Remote sensing and sensors : Lidar
(330.6110) Vision, color, and visual optics : Spatial filtering

Original Manuscript: February 27, 2002
Revised Manuscript: September 3, 2002
Published: December 20, 2002

Ravil R. Agishev and Adolfo Comeron, "Spatial filtering efficiency of monostatic biaxial lidar: analysis and applications," Appl. Opt. 41, 7516-7521 (2002)

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