Conformal window design with static and dynamic aberration corre

Details Conformal window design with static and dynamic aberration corre Conformal window design with static and dynamic aberration corre

1996-12-11

2000-01-25

Epps, Georgia Y.

Optical: systems and elements

Lens

Including a nonspherical surface

359234, 359236, 359613, 359712, G02B 302

Patent

active

060184248

ABSTRACT:
A system for correcting optical aberration created by a conformal window has a conformal window (12) with an outer surface (26) and an inner surface (28). The inner surface (28) is an aspheric surface for compensating for higher order aberrations. An aberration generator (16) is aligned to receive input from the conformal window (12) and dynamically corrects lower order aberrations, notably focus and astigmatism, over the field of regard.

REFERENCES:
patent: 4864137 (1989-09-01), Klein
patent: 4961625 (1990-10-01), Wood et al.
patent: 5214532 (1993-05-01), Hall, et al.
patent: 5220159 (1993-06-01), Friedenthal
patent: 5231379 (1993-07-01), Wood et al.
patent: 5526181 (1996-06-01), Kunick et al.
Buchroeder and Hooker, "Aberration generator", vol. 14, No. 10, Oct. 1975, pp. 2476-2479.

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