26 September 2007 The performance test results for engineering model (EM) of thermal and near infrared sensor for carbon observation (TANSO) on GOSAT
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Abstract
In order to estimate and demonstrate the performance of Thermal And Near infrared Sensor for carbon Observation Fourier-Transform Spectrometer (TANSO-FTS) and Cloud and Aerosol Imager (TANSO-CAI) under the environmental condition on orbit, the Engineering Model (EM) for TANSO-FTS and CAI have been developed and demonstrated. The TANSO-FTS has three narrow bands detectable regions; 0.76, 1.6 and 2micrion (Band1, 2 and 3) with +/⊥2.5cm maximum optical path difference, and a wide band (5.5 − 14.3micron in thermal near infrared region. The TANSO-CAI is a radiometer of ultraviolet (UV), visible, and SWIR, which has 4 spectral band regions with 1 dimensional array CCDs. The initial performance tests have been carried out in the laboratory and the thermal vacuum chamber. The Signal to Noise Ratio (SNR), the polarization sensitivity (PS), Instantaneous Field Of View (IFOV) and response for FTS and CAI, and also the Instrumental Line Shape Function (ILSF) for FTS have been characterized in this test by introducing the light emitted from the black body, halogen lamp and the tunable diode laser. As a results of these experiments, it is appeared that the some modification of system for manufacturing the proto flight model (PFM) is required, and now in progressing. In addition to these characterizations, the newly developed tests, such as the stray light measurement and micro vibration test, are applied on TANSO-FTS to estimate the effect on orbit. These tests methods and results are presented in this paper.
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Hiroshi Suto, Hiroshi Suto, Takahiro Kawashima, Takahiro Kawashima, Kei Shiomi, Kei Shiomi, Tomoko Kina, Tomoko Kina, Akihiko Kuze, Akihiko Kuze, Tomoyuki Urabe, Tomoyuki Urabe, Shuji Kawakami, Shuji Kawakami, Yutaka Kaneko, Yutaka Kaneko, Takashi Hamazaki, Takashi Hamazaki, } "The performance test results for engineering model (EM) of thermal and near infrared sensor for carbon observation (TANSO) on GOSAT", Proc. SPIE 6678, Infrared Spaceborne Remote Sensing and Instrumentation XV, 667815 (26 September 2007); doi: 10.1117/12.733202; https://doi.org/10.1117/12.733202
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