Decentered optical system

Details Decentered optical system Decentered optical system

1997-05-07

1999-06-29

Ben, Loha

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359631, 359676, 359720, 2504941, G02B 2714

Patent

active

059176563

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 sides, a first surface (3) serving as both a first transmitting surface and a second reflecting surfaces a second surface (4) as a first reflecting surfaces 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

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