Radiant energy – Infrared-to-visible imaging – Including detector array
Patent
1985-08-08
1987-05-19
Fields, Carolyn E.
Radiant energy
Infrared-to-visible imaging
Including detector array
250330, 250334, 356124, G01B 900, G01J 508
Patent
active
046671030
ABSTRACT:
A wavefront sensor apparatus for a large optical system, such as a telescope, having a reticle with at least one slit therein to provide image signatures for various portions of the aperture to an array of infrared sensor cells. The time differences between the image signatures represents relative image displacement caused by the wavefront slope variation in the actual wavefront.
REFERENCES:
patent: 3923400 (1975-12-01), Hardy
patent: 4113388 (1978-09-01), Gates et al.
patent: 4154532 (1979-05-01), Emmerich
patent: 4239392 (1980-12-01), Pohle
patent: 4319839 (1982-03-01), Durran
patent: 4441019 (1984-04-01), Hardy
patent: 4620790 (1986-11-01), Hufnagel
Thomas J. Brown, "Development of an Earth Resource Pushbroom Scanner Utilizing a 90-Element 8-14 Micrometer (Hg,Cd)Te array" Proceedings of the Society of Photo-Optical Instrumentation Engineers, vol. 226 (1980), pp. 18-37.
Richard A. Chapman et al., "Monolithic HgCdTe Charge Transfer Device Infrared Imaging Arrays" IEEE Transactions on Electron Devices, vol. ED-27, No. 1 (Jan. 1980), pp. 134-145.
Lucy Robert F.
Watson John T.
Fields Carolyn E.
Hannaher Constantine
Singer Donald J.
Stepanishen William
The United States of America as represented by the Secretary of
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