Physics – Optics
Scientific paper
Jan 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979spie..183..162j&link_type=abstract
In: Space optics; Proceedings of the Seminar, Huntsville, Ala., May 22-24, 1979. (A80-17432 05-89) Bellingham, Wash., Society of
Physics
Optics
1
Charge Injection Devices, Radiation Detectors, Star Trackers, Astrometry, Charge Carriers, Frequency Response, Noise Spectra, Temperature Dependence
Scientific paper
Charge transfer devices (CTDs) are superior to the image dissector as stellar tracking sensors, considering their low voltage requirements, insensitivity to magnetic fields, good linearity, and low weight and power. An analysis of one type of CTD, called the charge injection device (CID), revealed an X-Y addressing capability which provides exceptional flexibility in array readout and results in enhanced S/N capability, a surface channel device which produces a larger dynamic range of operation, and exceptional and unique tolerance to optical overloads. A 128 row by 128 column CID array processed on silicon was evaluated in a cooled breadboard camera, and measured results indicate projected performance parameters of a large area CID array as follows: 20 micron square sensing site, noise not greater than 25 carriers per pixel, quantum yield of approximately 40% from 0.4 to 1.0 micron, and cooling requirements on the order of 0 degrees C.
Burke H.-H. K.
Jones S. Jr. C.
Michon G.-J.
Vogelsong T. L.
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