High speed multi focal plane optical system

Details High speed multi focal plane optical system High speed multi focal plane optical system

1981-12-22

1983-10-04

Henry, Jon W.

350445, G02B 2710, G02B 1708

Patent

active

044075634

ABSTRACT:
Apparatus for eliminating beamsplitter generated optical aberrations in a pupil concentric optical system providing a plurality of spatially separated images on different focal planes or surfaces (30, 56). The system employs a buried surface beamsplitter (40, 40') having spherically curved entrance (42) and exit faces (44, 54, 74, 76) which are concentric to a system aperture stop (10) with the entrance face being located in the path of a converging light beam (34) directed thereto from an image forming objective element (12) which is also concentric to the aperture stop.

REFERENCES:
patent: 2963937 (1960-12-01), Raitieve

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