Multispectral band Schottky barrier IRCCD for remote-sensing application

Details Multispectral band Schottky barrier IRCCD for remote-sensing application Multispectral band Schottky barrier IRCCD for remote-sensing application

Sep 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1308..157d&link_type=abstract

IN: Infrared detectors and focal plane arrays; Proceedings of the Meeting, Orlando, FL, Apr. 18, 19, 1990 (A91-36726 15-35). Bel

Computer Science

Performance

Infrared Scanners, Linear Arrays, Multispectral Band Scanners, Remote Sensing, Schottky Diodes, Assembling, Bandpass Filters, Charge Coupled Devices, Japanese Spacecraft, Satellite Imagery

Scientific paper

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.

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