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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Glenn D. Boreman
  • Vol. 44, Iss. 34 — Dec. 1, 2005
  • pp: 7467–7474

In-line type micropulse lidar with an annular beam: theoretical approach

Tatsuo Shiina, Kei Yoshida, Masafumi Ito, and Yasuyuki Okamura  »View Author Affiliations


Applied Optics, Vol. 44, Issue 34, pp. 7467-7474 (2005)
http://dx.doi.org/10.1364/AO.44.007467


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Abstract

An in-line type micropulse lidar (MPL) with an annular beam was designed and the transmitting and receiving characteristics were analyzed. Because the in-line MPL utilizes a common telescope for a transmitter and a receiver and the annular beam always overlaps with the receiver’s field of view (FOV), it can measure near-range lidar echoes with a narrow FOV. The transmitting annular beam changes its shape to a nearly nondiffractive beam through propagation. It improves the spatial resolution of the lidar observation. The receiving characteristics showed the ideal lidar echo variation, which was inversely proportional to the square of the distance the beam propagated, even if it was in the near range.

© 2005 Optical Society of America

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(010.3310) Atmospheric and oceanic optics : Laser beam transmission
(220.4830) Optical design and fabrication : Systems design
(280.3640) Remote sensing and sensors : Lidar

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: July 8, 2004
Revised Manuscript: February 11, 2005
Manuscript Accepted: February 18, 2005
Published: December 1, 2005

Citation
Tatsuo Shiina, Kei Yoshida, Masafumi Ito, and Yasuyuki Okamura, "In-line type micropulse lidar with an annular beam: theoretical approach," Appl. Opt. 44, 7467-7474 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-34-7467


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