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Proceedings Paper

Laser long-path absorption experiment using the Retroreflector in Space (RIS) on the ADEOS satellite
Author(s): Nobuhiko Koga; Nobuo Sugimoto; Kenichi Ozawa; Yasunori Saito; Akio Nomura; Atsushi Minato; Tetsuo Aoki; Toshikasu Itabe; Hiroo Kunimori
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Paper Abstract

We conducted an earth-satellite laser long-path absorption experiment using the Retroreflector in Space on the advanced earth observing satellite, which was launched on August 17, 1996 by the National Space Development Agency of Japan. Two single-longitudinal-mode transverse, electric, atmospheric (TEA) CO2 lasers were used in the spectroscopic measurement of atmospheric trace species. One TEA laser was used to measure the absorption of the ozone, and the other to record a reference signal. We measured the absorption spectrum of the atmosphere using the Doppler shift of reflected beam caused by the satellite's movement. The ozone spectrum was successfully measured using the 10R(24) line of 13CO2 and the 9P(24) line of 12CO2. We studied the measurement error and reduced it by adding a spatial filter to the transmitter optics.

Paper Details

Date Published: 22 December 1997
PDF: 9 pages
Proc. SPIE 3218, Laser Radar Ranging and Atmospheric Lidar Techniques, (22 December 1997); doi: 10.1117/12.295643
Show Author Affiliations
Nobuhiko Koga, National Institute for Environmental Studies (Japan)
Nobuo Sugimoto, National Institute for Environmental Studies (Japan)
Kenichi Ozawa, Shinshu Univ. (Japan)
Yasunori Saito, Shinshu Univ. (Japan)
Akio Nomura, Shinshu Univ. (Japan)
Atsushi Minato, Ibaraki Univ. (Japan)
Tetsuo Aoki, Communications Research Lab. (Japan)
Toshikasu Itabe, Communications Research Lab. (Japan)
Hiroo Kunimori, Communications Research Lab. (Japan)


Published in SPIE Proceedings Vol. 3218:
Laser Radar Ranging and Atmospheric Lidar Techniques
Ulrich Schreiber; Christian Werner, Editor(s)

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