Catadioptric multi-functional optical assembly

Details Catadioptric multi-functional optical assembly Catadioptric multi-functional optical assembly

1996-07-01

1998-03-17

Nguyen, Thong

Optical: systems and elements

Compound lens system

With curved reflective imaging element

359634, 359731, 359859, G02B 1700, G02B 2714, G02B 510

Patent

active

057293767

ABSTRACT:
An optical assembly using a centrally-obscured catadioptric optical objece that provides two different focal planes using the same set of optics. Both optical paths share the same optic axis and common line-of-sight. One focal plane is optimized for use with a high performance GEN II image intensifier tube, and the other is used for either laser receiver or emitter devices.

REFERENCES:
patent: 4547045 (1985-10-01), Canzek
patent: 4881796 (1989-11-01), Michika et al.
patent: 4971428 (1990-11-01), Moskovich
patent: 5194986 (1993-03-01), Carlson et al.
patent: 5497266 (1996-03-01), Owen

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