Optical-mechanical scanner mirror for an infrared viewing system

Details Optical-mechanical scanner mirror for an infrared viewing system Optical-mechanical scanner mirror for an infrared viewing system

1977-10-07

1979-05-22

Willis, Davis L.

Radiant energy

Infrared-to-visible imaging

Including means for scanning field of view

H01J 3149

Patent

active

041561422

ABSTRACT:
The invention comprises the closer positioning of a conventional telescopic ens, i.e., afocal lens, to a conventional optical scanner in such a combination as to minimize the required scanner mirror size and weight thereby improving scan efficiency, while also reducing physical size and thus the power requirement for driving the scanner mirror. The exit pupil of the telescopic lens is moved to a position close to the center of scanner wheel so that the incoming ray bundle follows the facets of the scanner mirror as it moves through a detector means field-of-view.

REFERENCES:
patent: 3728545 (1973-04-01), Abel

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