Decentered optical system

Details Decentered optical system Decentered optical system

1999-01-08

2000-08-15

Epps, Georgia

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359720, G02B 2714, G02B 302

Patent

active

061045403

ABSTRACT:
An optical system capable of correcting aberrations due to three-dimensional decentration by using a rotationally asymmetric surface having no plane of symmetry. The optical system includes, from the ray bundle entrance side, a first surface (3) serving as both a first transmitting surface and a second reflecting surface, a second surface (4) as a first reflecting surface, and a third surface (5) as a second transmitting surface. The space between these surfaces is filled with a medium having a refractive index larger than 1. The first surface (3) is a three-dimensional surface having no plane of symmetry.

REFERENCES:
patent: 3583790 (1971-06-01), Baker
patent: 4650292 (1987-03-01), Baker et al.
patent: 5594588 (1997-01-01), Togino
patent: 5596433 (1997-01-01), Konuma
patent: 5619377 (1997-04-01), Rallison
patent: 5917656 (1999-06-01), Hayakawa et al.

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