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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 18 — Jun. 20, 2002
  • pp: 3659–3664

Sum-frequency-generation system for differential absorption lidar measurement of atmospheric nitrogen dioxide

Takuya Nayuki, Tetsuo Fukuchi, Nianwen Cao, Hideto Mori, Takashi Fujii, Koshichi Nemoto, and Nobuo Takeuchi  »View Author Affiliations


Applied Optics, Vol. 41, Issue 18, pp. 3659-3664 (2002)
http://dx.doi.org/10.1364/AO.41.003659


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Abstract

A sum-frequency-generation system for differential absorption lidar measurement of atmospheric nitrogen dioxide in the lower troposphere was developed. The system uses a combination of a pair of KD*P crystals and a tunable dye laser with LDS 765 dye pumped by the second harmonic of a Nd:YAG laser to generate λon and λoff alternatively. Compared with the conventional system that uses Coumarin 445 dye pumped by the third harmonic, the output energy and long-term stability were improved. By use of this system, atmospheric NO2 concentrations of approximately 10–50 ppb were measured, with an instrumental error of approximately 7 ppb.

© 2002 Optical Society of America

OCIS Codes
(010.7030) Atmospheric and oceanic optics : Troposphere
(140.2050) Lasers and laser optics : Dye lasers
(140.3600) Lasers and laser optics : Lasers, tunable
(190.7220) Nonlinear optics : Upconversion
(280.1120) Remote sensing and sensors : Air pollution monitoring
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

History
Original Manuscript: June 18, 2001
Revised Manuscript: January 22, 2002
Published: June 20, 2002

Citation
Takuya Nayuki, Tetsuo Fukuchi, Nianwen Cao, Hideto Mori, Takashi Fujii, Koshichi Nemoto, and Nobuo Takeuchi, "Sum-frequency-generation system for differential absorption lidar measurement of atmospheric nitrogen dioxide," Appl. Opt. 41, 3659-3664 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-18-3659

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