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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 17 — Sep. 1, 2013
  • pp: 3445–3447

Development of a differential column image motion light detection and ranging for measuring turbulence profiles

Xu Jing, Zaihong Hou, Yi Wu, Lai’an Qin, Feng He, and Fengfu Tan  »View Author Affiliations

Optics Letters, Vol. 38, Issue 17, pp. 3445-3447 (2013)

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We have developed a differential column image motion (DCIM) lidar for measuring real-time vertical profiles of Fried’s transverse coherence length ( r 0 ) and testing it against a differential image motion (DIM) lidar and a DIM monitor by observing stars throughout a range of turbulent conditions. With the DCIM lidar system parameters elaborately designed and the detector installed with an angle corresponding to the receiving telescope axis, the focal position of the laser guide star from a range of altitudes that coincide with the CCD’s receiving area, r 0 of different altitudes can be obtained simultaneously. The experiment results support the DCIM lidar and confirm that a high temporal and spatial resolution r 0 profile can be measured with this method.

© 2013 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(110.0110) Imaging systems : Imaging systems
(140.0140) Lasers and laser optics : Lasers and laser optics

ToC Category:
Imaging Systems

Original Manuscript: June 21, 2013
Revised Manuscript: August 1, 2013
Manuscript Accepted: August 6, 2013
Published: August 29, 2013

Xu Jing, Zaihong Hou, Yi Wu, Lai’an Qin, Feng He, and Fengfu Tan, "Development of a differential column image motion light detection and ranging for measuring turbulence profiles," Opt. Lett. 38, 3445-3447 (2013)

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