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Proceedings Paper

Ozone dynamics ultraviolet spectrometer (ODUS)
Author(s): Yasuji Yamamoto; Akihiko Kuze; Takahiro Kawashima; Kazuo Shibasaki; Makoto Suzuki; Takuki Sano; Toshihiro Ogawa
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Paper Abstract

The Ozone Dynamics Ultraviolet Spectrometer (ODUS) is a satellite-borne, nadir-looking ultraviolet spectrometer for measuring total ozone amount. It will be launched in 2005 onboard Japanese earth observation satellite GCOM-A1. The ODUS instrument measures continuous spectrum from 306 to 420 nm with 0.5 nm spectral resolution and 20 km spatial resolution, using an Ebert-type polychromator and a one-dimensional silicon CMOS array detector, which will improve the accuracy of the retrieved total ozone amount. We have completed the conceptual design of system, and manufactured and tested the laboratory model of the detector and the optical assembly. We have succeeded in developing a detector with sufficient sensitivity and a polychromator with little stray light. We have also confirmed the optical performance and evaluated the detailed wavelength structure of the instrument function. This paper presents an overview of the ODUS instrument, the summary of the evaluation results of the laboratory models.

Paper Details

Date Published: 20 October 1999
PDF: 9 pages
Proc. SPIE 3756, Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research III, (20 October 1999); doi: 10.1117/12.366392
Show Author Affiliations
Yasuji Yamamoto, National Space Development Agency (Japan)
Akihiko Kuze, NEC Corp. (Japan)
Takahiro Kawashima, NEC Corp. (Japan)
Kazuo Shibasaki, National Space Development Agency (Japan)
Makoto Suzuki, National Space Development Agency (Japan)
Takuki Sano, National Space Development Agency (Japan)
Toshihiro Ogawa, National Space Development Agency (Japan)

Published in SPIE Proceedings Vol. 3756:
Optical Spectroscopic Techniques and Instrumentation for Atmospheric and Space Research III
Allen M. Larar, Editor(s)

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