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Applied Optics

Applied Optics


  • Vol. 27, Iss. 21 — Nov. 1, 1988
  • pp: 4470–4474

Optimum truncation of a lidar transmitted beam

Jon Y. Wang  »View Author Affiliations

Applied Optics, Vol. 27, Issue 21, pp. 4470-4474 (1988)

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The problem of optical beam truncation through a transmitter aperture to maximize signal returns from a coherent lidar system is considered. For common transmitter and receiver apertures of the same size, the optimum ratio of receiver diameter to beam diameter is ~1.75 when viewing a far-field diffuse target. The beam diameter is defined as twice the radius at which the beam intensity is exp(−1) of the peak intensity.

© 1988 Optical Society of America

Original Manuscript: December 8, 1987
Published: November 1, 1988

Jon Y. Wang, "Optimum truncation of a lidar transmitted beam," Appl. Opt. 27, 4470-4474 (1988)

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