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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 7 — Apr. 1, 2014
  • pp: 1972–1975

Daytime measurements of atmospheric temperature profiles (2–15  km) by lidar utilizing Rayleigh–Brillouin scattering

Benjamin Witschas, Christian Lemmerz, and Oliver Reitebuch  »View Author Affiliations


Optics Letters, Vol. 39, Issue 7, pp. 1972-1975 (2014)
http://dx.doi.org/10.1364/OL.39.001972


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Abstract

In this Letter, we report on a novel method for measuring atmospheric temperature profiles by lidar during daytime for heights of 2–15.3 km, with a vertical resolution of 0.3–2.2 km, using Rayleigh–Brillouin scattering. The measurements are performed by scanning a laser (λ=355nm) over a 12 GHz range and using a Fabry–Pérot interferometer as discriminator. The temperature is derived by using a new analytical line shape model assuming standard atmospheric pressure conditions. Two exemplary temperature profiles resulting from measurements over 14 and 27 min are shown. A comparison with radiosonde temperature measurements shows reasonable agreement. In cloud-free conditions, the temperature difference reaches up to 5 K within the boundary layer, and is smaller than 2.5 K above. The statistical error of the derived temperatures is between 0.15 and 1.5 K.

© 2014 Optical Society of America

OCIS Codes
(280.1310) Remote sensing and sensors : Atmospheric scattering
(280.3640) Remote sensing and sensors : Lidar
(280.6780) Remote sensing and sensors : Temperature

ToC Category:
Scattering

History
Original Manuscript: January 15, 2014
Revised Manuscript: February 13, 2014
Manuscript Accepted: February 24, 2014
Published: March 25, 2014

Citation
Benjamin Witschas, Christian Lemmerz, and Oliver Reitebuch, "Daytime measurements of atmospheric temperature profiles (2–15  km) by lidar utilizing Rayleigh–Brillouin scattering," Opt. Lett. 39, 1972-1975 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-7-1972

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