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Optics Letters

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  • Vol. 25, Iss. 19 — Oct. 1, 2000
  • pp: 1466–1468

Double-edge molecular measurement of lidar wind profiles at 355 nm

Cristina Flesia, C. Laurence Korb, and Christian Hirt  »View Author Affiliations


Optics Letters, Vol. 25, Issue 19, pp. 1466-1468 (2000)
http://dx.doi.org/10.1364/OL.25.001466


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Abstract

We built a direct-detection Doppler lidar based on the double-edge molecular technique and made the what we believe to be the first molecular-based wind measurements using the eye-safe 355-nm wavelength. Three etalon bandpasses are obtained with step etalons on a single pair of etalon plates. We eliminate long-term frequency drift of the laser and the capacitively stabilized etalon by locking the etalon to the laser frequency. We use a low-angle design to avoid polarization effects. Wind measurements of 1–2-m /s accuracy are obtained to 10-km altitude with 5 mJ of laser energy, a 750-s integration, and a 25-cm telescope. Good agreement is obtained between lidar and rawinsonde measurements.

© 2000 Optical Society of America

OCIS Codes
(010.1290) Atmospheric and oceanic optics : Atmospheric optics
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(120.2230) Instrumentation, measurement, and metrology : Fabry-Perot
(280.3340) Remote sensing and sensors : Laser Doppler velocimetry
(280.3640) Remote sensing and sensors : Lidar
(300.6320) Spectroscopy : Spectroscopy, high-resolution

Citation
Cristina Flesia, C. Laurence Korb, and Christian Hirt, "Double-edge molecular measurement of lidar wind profiles at 355 nm," Opt. Lett. 25, 1466-1468 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-19-1466


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