Abstract

We examine an ultraviolet camera used aboard a rotating spacecraft where the image motion due to spacecraft spin is canceled by synchronously stepping the image charge accumulating in a charge coupled detector. Critical to this procedure is the flattening of a velocity field associated with the spherical focal surface of the Burch configuration camera. We show that this can be efficiently accomplished by a tapered fiber-optic bundle having one surface figured to a cylinder whose axis lies along the charge-stepping direction.

© 1988 Optical Society of America

Use of a sharpness criterion in correcting images degraded by random distortion

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