Requirements and design considerations of UV and x-ray detectors for astronomical purposes

Details Requirements and design considerations of UV and x-ray detectors for astronomical purposes Requirements and design considerations of UV and x-ray detectors for astronomical purposes

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997spie.2999..259u&link_type=abstract

Proc. SPIE Vol. 2999, p. 259-266, Photodetectors: Materials and Devices II, Gail J. Brown; Manijeh Razeghi; Eds.

Computer Science

1

Scientific paper

Since our previous review, new developments have occurred which make it interesting to compare wide bandgap semiconductors with low temperature detectors. We compare the strengths and weaknesses of each of these devices. We show that there is a need for both types of devices. Furthermore, single or small-array versions of the low temperature devices have been shown to work as single photon-counting devices. This gives the low temperature devices a distinct advantage over wide bandgap detectors. The ability to operate at room temperature and to be able to use standard indium bump bonding techniques to allow for relatively routine fabrication of 500 X 500 pixel formats should, however, provide impetus to further development of wide bandgap semiconductor devices.

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