Dynamic aberration correction of conformal/aspheric domes and wi

Details Dynamic aberration correction of conformal/aspheric domes and wi Dynamic aberration correction of conformal/aspheric domes and wi

1998-05-05

1999-08-31

Spyrou, Cassandra

Optical: systems and elements

Lens

With reflecting element

359711, G02B 306, G02B 1700

Patent

active

059461438

ABSTRACT:
An optical correction technique which utilizes a pair of toroidal optical elements which are translated axially to provide dynamic correction of astigmatic aberrations induced by conformal/aspheric domes and windows as a function of sensor gimbal angle. This correction technique provides dual axis, variable optical power correction within the dynamic operation of gimballed optical sensors, and is particularly suited to correction of aberrations introduced by conformal/aspheric domes and windows used in both missile and airborne fire control systems.

REFERENCES:
patent: 2121567 (1938-06-01), Newcomer
patent: 3822932 (1974-07-01), Humphrey
patent: 5136418 (1992-08-01), Itabashi
patent: 5307208 (1994-04-01), Hofbauer et al.

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