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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2277–2279

Field performance of an all-semiconductor laser coherent Doppler lidar

Peter John Rodrigo and Christian Pedersen  »View Author Affiliations

Optics Letters, Vol. 37, Issue 12, pp. 2277-2279 (2012)

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We implement and test what, to our knowledge, is the first deployable coherent Doppler lidar (CDL) system based on a compact, inexpensive all-semiconductor laser (SL). To demonstrate the field performance of our SL-CDL remote sensor, we compare a 36 h time series of averaged radial wind speeds measured by our instrument at an 80 m distance to those simultaneously obtained from an industry-standard sonic anemometer (SA). An excellent degree of correlation (R2=0.994 and slope=0.996) is achieved from a linear regression analysis of the CDL versus SA wind speed data. The lidar system is capable of providing high data availability, ranging from 85% to 100% even under varying outdoor (temperature and humidity) conditions during the test period. We also show the use of our SL-CDL for monitoring the dependence of aerosol backscatter on relative humidity. This work points to the feasibility of a more general class of low-cost, portable remote sensors based on all-SL emitters for applications that require demanding laser stability and coherence.

© 2012 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(140.5960) Lasers and laser optics : Semiconductor lasers

ToC Category:
Atmospheric and Oceanic Optics

Original Manuscript: March 14, 2012
Revised Manuscript: April 13, 2012
Manuscript Accepted: April 15, 2012
Published: June 7, 2012

Peter John Rodrigo and Christian Pedersen, "Field performance of an all-semiconductor laser coherent Doppler lidar," Opt. Lett. 37, 2277-2279 (2012)

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