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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 17 — Jun. 10, 2010
  • pp: 3274–3281

Stabilized master laser system for differential absorption lidar

Alex Dinovitser, Murray W. Hamilton, and Robert A. Vincent  »View Author Affiliations


Applied Optics, Vol. 49, Issue 17, pp. 3274-3281 (2010)
http://dx.doi.org/10.1364/AO.49.003274


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Abstract

Wavelength accuracy and stability are key requirements for differential absorption lidar (DIAL). We present a control and timing design for the dual-stabilized cw master lasers in a pulsed master-oscillator power-amplifier configuration, which forms a robust low-cost water-vapor DIAL transmitter system. This design operates at 823 nm for water-vapor spectroscopy using Fabry–Perot-type laser diodes. However, the techniques described could be applied to other laser technologies at other wavelengths. The system can be extended with additional off-line or side-line wavelengths. The on-line master laser is locked to the center of a water absorption line, while the beat frequency between the on-line and the off-line is locked to 16 GHz using only a bandpass microwave filter and low-frequency electronics. Optical frequency stabilities of the order of 1 MHz are achieved.

© 2010 Optical Society of America

OCIS Codes
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(140.3425) Lasers and laser optics : Laser stabilization

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: March 2, 2010
Revised Manuscript: May 11, 2010
Manuscript Accepted: May 14, 2010
Published: June 3, 2010

Citation
Alex Dinovitser, Murray W. Hamilton, and Robert A. Vincent, "Stabilized master laser system for differential absorption lidar," Appl. Opt. 49, 3274-3281 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-17-3274

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