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Proceedings Paper

Development of airborne SWIR FTS for GOSAT validation and calibration
Author(s): Hiroshi Suto; Akihiko Kuze; Yutaka Kaneko; Takashi Hamazaki; Isamu Morino; Hiroyuki Oguma; Tatsuya Yokota; Gen Inoue
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Paper Abstract

In order to validate and calibrate the GOSAT satellite data, and also to develop the retrieval algorism for deriving the column density of CO2 and CH4 from spectra, the airborne SWIR (Short Wave Infrared Region) FTS (Fourier transform spectrometer) has been developed and characterized. This instrument is called as TSUKUBA model. The initial performance test of TSUKUBA model was carried out in our laboratory, and the measured modulation efficiencies are 70% (Band1), 85% (Band2) and 88% (Band3), respectively. The measured values of SNR with the equivalent black body temperature for 30% surface albedo are 190 (13050cm-1), 148 (6200cm-1), and 165 (5000cm-1). The measured values of full width at half maximum (FWHM) of instrumental line shape functions are 0.38cm-1, 0.26cm-1, 0.25 cm-1 for band 1, 2, and 3, respectively. The instrumental design and the results of performance tests are presented.

Paper Details

Date Published: 26 September 2007
PDF: 8 pages
Proc. SPIE 6678, Infrared Spaceborne Remote Sensing and Instrumentation XV, 667816 (26 September 2007); doi: 10.1117/12.733194
Show Author Affiliations
Hiroshi Suto, Japan Aerospace Exploration Agency (Japan)
Akihiko Kuze, Japan Aerospace Exploration Agency (Japan)
Yutaka Kaneko, Japan Aerospace Exploration Agency (Japan)
Takashi Hamazaki, Japan Aerospace Exploration Agency (Japan)
Isamu Morino, National Institute for Environmental Studies (Japan)
Hiroyuki Oguma, National Institute for Environmental Studies (Japan)
Tatsuya Yokota, National Institute for Environmental Studies (Japan)
Gen Inoue, Nagoya Univ. (Japan)

Published in SPIE Proceedings Vol. 6678:
Infrared Spaceborne Remote Sensing and Instrumentation XV
Marija Strojnik-Scholl, Editor(s)

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