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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 39, Iss. 21 — Jul. 20, 2000
  • pp: 3664–3669

Frequency stabilization of a Ho:Tm:YLF laser to absorption lines of carbon dioxide

Grady J. Koch, Amin N. Dharamsi, Colleen M. Fitzgerald, and John C. McCarthy  »View Author Affiliations


Applied Optics, Vol. 39, Issue 21, pp. 3664-3669 (2000)
http://dx.doi.org/10.1364/AO.39.003664


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Abstract

A single-frequency Ho:Tm:YLF laser, operating at an eye-safe wavelength of 2 µm, has been developed with tuning characteristics optimized for spectroscopy of absorption features. The laser frequency was stabilized to three different absorption lines of carbon dioxide by a wavelength modulation technique. Long-term frequency drift has been eliminated from the laser, and shorter-term jitter has been reduced to within 13.5 MHz of the absorption line center. This stabilized laser is an ideal injection seed source for a differential absorption lidar system for measurement of atmospheric gases.

© 2000 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(280.3640) Remote sensing and sensors : Lidar
(300.6380) Spectroscopy : Spectroscopy, modulation

History
Original Manuscript: January 10, 2000
Revised Manuscript: April 11, 2000
Published: July 20, 2000

Citation
Grady J. Koch, Amin N. Dharamsi, Colleen M. Fitzgerald, and John C. McCarthy, "Frequency stabilization of a Ho:Tm:YLF laser to absorption lines of carbon dioxide," Appl. Opt. 39, 3664-3669 (2000)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-39-21-3664

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