Multispectral band Schottky-barrier IRCCD for remote-sensing application

Masahiko Denda; Masafumi Kimata; Shuhei Iwade; Naoki Yutani; Takashi Kondo; Natsuro Tsubouchi

doi:10.1117/12.21725

1 September 1990 Multispectral band Schottky-barrier IRCCD for remote-sensing application

Masahiko Denda, Masafumi Kimata, Shuhei Iwade, Naoki Yutani, Takashi Kondo, Natsuro Tsubouchi

Proceedings Volume 1308, Infrared Detectors and Focal Plane Arrays; (1990) https://doi.org/10.1117/12.21725
Event: 1990 Technical Symposium on Optics, Electro-Optics, and Sensors, 1990, Orlando, FL, United States

Abstract

The specifications and performance are set forth for a multispectral linear array developed for SWIR remote sensing applications. The device comprises a monolithic quadruple-band image sensor with 4096 detectors in each band. The silicon Schottky barrier IR CCD has been utilized for the SWIR sensor. Operating at temperatures from 77 k to 82 k, the device also employs a SiC-Al2O3-SiC-based package constructed with epoxy adhesives, and four narrow bandpass filters attached to the device. A performance study shows that the dynamic range is 2500 with a noise floor of 74 electrons rms, and the signal to noise ratio is 41.6 dB for an irradiance of 9.4 microwatts per square centimeter, at a wavelength of 2.06 microns and an integration time of 3.46 ms. The response of the device demonstrates a nonuniformity of 6.4 percent peak-to-peak. The sensor is intended for the Japanese Earth Resources Satellite-1.

Citation Download Citation

Masahiko Denda, Masafumi Kimata, Shuhei Iwade, Naoki Yutani, Takashi Kondo, and Natsuro Tsubouchi "Multispectral band Schottky-barrier IRCCD for remote-sensing application", Proc. SPIE 1308, Infrared Detectors and Focal Plane Arrays, (1 September 1990); https://doi.org/10.1117/12.21725

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