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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 49, Iss. 10 — Apr. 1, 2010
  • pp: 1809–1817

Coherent 2 μm differential absorption and wind lidar with conductively cooled laser and two-axis scanning device

Shoken Ishii, Kohei Mizutani, Hirotake Fukuoka, Takayoshi Ishikawa, Baron Philippe, Hironari Iwai, Tetsuo Aoki, Toshikazu Itabe, Atsushi Sato, and Kazuhiro Asai  »View Author Affiliations


Applied Optics, Vol. 49, Issue 10, pp. 1809-1817 (2010)
http://dx.doi.org/10.1364/AO.49.001809


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Abstract

A coherent 2 μm differential absorption and wind lidar (Co2DiaWiL) was developed to measure CO 2 concentration and line-of-sight wind speed. We conductively cooled a pumping laser head to 80 ° C and diode arrays to approximately 20 ° C . A Q-switched laser outputs an energy of 80 mJ (pulse width 150 ns (FWHM), pulse repetition frequency up to 30 Hz ). CO 2 measurements made over a column range ( 487 1986 m ) for 5 min accumulation time pairs achieved 0.7% precision. Line-of-sight wind speeds for ranges up to approximately 20 km and returns from a mountainside located 24 km away from the Co2DiaWiL were obtained.

© 2010 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(140.3560) Lasers and laser optics : Lasers, ring
(140.3580) Lasers and laser optics : Lasers, solid-state
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: October 9, 2009
Revised Manuscript: March 3, 2010
Manuscript Accepted: March 8, 2010
Published: March 25, 2010

Citation
Shoken Ishii, Kohei Mizutani, Hirotake Fukuoka, Takayoshi Ishikawa, Baron Philippe, Hironari Iwai, Tetsuo Aoki, Toshikazu Itabe, Atsushi Sato, and Kazuhiro Asai, "Coherent 2 μm differential absorption and wind lidar with conductively cooled laser and two-axis scanning device," Appl. Opt. 49, 1809-1817 (2010)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-49-10-1809

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