3 September 2008 Prelaunch performance test results of TANSO-FTS and CAI on GOSAT
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Abstract
TANSO-FTS (Thermal And Near infrared Sensor for carbon Observation Fourier Transform Spectrometer) and TANSO-CAI (Cloud and Aerosol Imager) are a space-born optical sensor system mainly oriented for observation of greenhouse gases (GHGs). TANSO will be installed on the Greenhouse gases Observing SATellite "GOSAT" and launched in early 2009. The TANSO-FTS is a Fourier transform spectrometer which has 3 SWIR bands (0.76, 1.6 and 2.0 μm) and 1 TIR band (5.5 - 14.3 μm) for observation of scattering light and thermal radiation from the earth, mainly focused on CO2 absorption spectra. The TANSO-CAI is an imager for detection and correction of clouds and aerosol effects to determine GHGs quantities. The instrument characteristics of TANSO-FTS are high SNR (~300), quick interferogram scan (1.1 ~ 4.0 s) with moderate wave-number resolution (~0.2 cm-1), and polarization measurement. Now, integration and test of proto-flight model of TANSO have been completed. In this paper, the results of performance test such as SNR, ILS, polarization sensitivity, etc. are described.
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Jun Yoshida, Jun Yoshida, Takahiro Kawashima, Takahiro Kawashima, Juro Ishida, Juro Ishida, Kazuo Hamada, Kazuo Hamada, Jun Tanii, Jun Tanii, Yoshihiko Katsuyama, Yoshihiko Katsuyama, Hiroshi Suto, Hiroshi Suto, Akihiko Kuze, Akihiko Kuze, Masakatsu Nakajima, Masakatsu Nakajima, Takashi Hamazaki, Takashi Hamazaki, } "Prelaunch performance test results of TANSO-FTS and CAI on GOSAT", Proc. SPIE 7082, Infrared Spaceborne Remote Sensing and Instrumentation XVI, 708214 (3 September 2008); doi: 10.1117/12.800701; https://doi.org/10.1117/12.800701
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