Diffractive optical imaging lens systems

Details Diffractive optical imaging lens systems Diffractive optical imaging lens systems

1989-06-28

1991-05-07

Arnold, Bruce Y.

35016216, 35016219, 350320, G02B 518, G02B 2744

Patent

active

050131338

ABSTRACT:
A diffractive imaging lens, has a diffractive optical element and an aperture stop remote from the lens in the direction of the object to be imaged which corrects the lens for coma, astigmatism, and field curvature and which can be corrected for spherical aberration by using a phase corrector in the aperture of the stop. The lens system may be provided in anamorphic configuration.

REFERENCES:
patent: 3980397 (1976-09-01), Judd et al.
patent: 4210391 (1980-07-01), Cohen
patent: 4340283 (1982-07-01), Cohen
patent: 4400063 (1983-08-01), Hayashida
patent: 4550973 (1985-11-01), Hufnagel
patent: 4637697 (1987-01-01), Freeman
D. Fakus & G. M. Morris, Opt. Eng. 28(6), 592-598 (1989) "Broadband Imaging with Holographic Lenses".

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