26 September 2016 Development status of Type-II superlattice infrared detector in JAXA
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Abstract
One of JAXA’s future missions, using an imaging Fourier Transform Spectrometer (FTS), require the focal plane array (FPA) that has high sensitivity and a very long-wavelength infrared (VLWIR) cutoff wavelength. Since a Type-II superlattice (T2SL) is the only known infrared material to have a theoretically predicted performance superior to that of HgCdTe and the cutoff wavelength can be tailored in the wavelength region of 3-30 μm, we started the research and development of the T2SL detector in 2009. In order to confirm our final goal which is to realize an FPA with a cutoff wavelength of 15 μm, we fabricated InAs/GaInSb T2SL infrared detectors with a cutoff wavelength of 15 μm. We show the results of the dark current and responsivity measurement of single pixel detectors and the development status of FPAs including the image taken by a 320 × 256 InAs/GaInSb T2SL FPA with a cutoff wavelength of 15 μm.
Conference Presentation
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Michito Sakai, Michito Sakai, Junpei Murooka, Junpei Murooka, Ayaka Kumeta, Ayaka Kumeta, Haruyoshi Katayama, Haruyoshi Katayama, Toshiyoshi Kimura, Toshiyoshi Kimura, Hiroshi Inada, Hiroshi Inada, Yasuhiro Iguchi, Yasuhiro Iguchi, Yuta Hiroe, Yuta Hiroe, Masafumi Kimata, Masafumi Kimata, } "Development status of Type-II superlattice infrared detector in JAXA", Proc. SPIE 9933, Optical Sensing, Imaging, and Photon Counting: Nanostructured Devices and Applications 2016, 993306 (26 September 2016); doi: 10.1117/12.2240300; https://doi.org/10.1117/12.2240300
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