Computer Science – Performance
Scientific paper
Mar 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apopt..23..889d&link_type=abstract
Applied Optics (ISSN 0003-6935), vol. 23, March 15, 1984, p. 889-895. DARPA-USAF-supported research.
Computer Science
Performance
Charge Coupled Devices, Image Transducers, Infrared Telescopes, Platinum Compounds, Schottky Diodes, Silicides, Astronomical Photography, Energy Bands, Infrared Detectors, Integrated Circuits, Near Infrared Radiation, Performance Tests, Signal Processing, Silicon Radiation Detectors
Scientific paper
This paper presents the results of a preliminary evaluation of a platinum silicide (PtSi) Schottky CCD as an imaging array for astronomical applications. The work was done in the near-infrared (lambda greater than 1.2 microns and less than 2.5 microns) spectral regime, where there is presently a lack of commercially available panoramic arrays with acceptable performance. During an initial test run, the array detected a star of magnitude 3.5 using an integration time of 128 msec. Proper optimization of the readout electronics, cryostat configuration, and matching of the telescope image scale to the pixel size could allow detection of a source approximately 100 times fainter in a 1-sec integration time. This paper will discuss the array architecture, measurement and signal processing techniques, and the observatory and laboratory evaluation tests.
Boreman Glenn
Britt J. P.
Dereniak Eustace L.
Ewing William S.
Fowler Melissa A.
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