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Optics Letters

Optics Letters


  • Vol. 25, Iss. 17 — Sep. 1, 2000
  • pp: 1228–1230

2-µm Doppler lidar transmitter with high frequency stability and low chirp

V. Wulfmeyer, M. Randall, A. Brewer, and R. M. Hardesty  »View Author Affiliations

Optics Letters, Vol. 25, Issue 17, pp. 1228-1230 (2000)

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A coherent Doppler lidar system was frequency stabilized in a master–slave configuration by a phase-modulation technique. The short-term frequency stability, ~0.2 MHz rms, was maintained in a vibrational environment on a ship during a field campaign in the tropical Pacific Ocean. The long-term frequency stability was <2.6 kHz/h. Thus, in many applications, shot-to-shot frequency correction can be disregarded, which will result in increased speed and simplicity of the data-acquisition system. A frequency chirp could not be detected. These properties permit Doppler wind measurements with high efficiency and duty cycles to be made, even on airborne and spaceborne platforms.

© 2000 Optical Society of America

OCIS Codes
(140.3570) Lasers and laser optics : Lasers, single-mode
(280.3640) Remote sensing and sensors : Lidar

V. Wulfmeyer, M. Randall, A. Brewer, and R. M. Hardesty, "2-µm Doppler lidar transmitter with high frequency stability and low chirp," Opt. Lett. 25, 1228-1230 (2000)

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