Imaging system comprising a concave mirror

Details Imaging system comprising a concave mirror Imaging system comprising a concave mirror

2005-11-15

2005-11-15

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C359S727000, C385S037000, C385S024000

Reexamination Certificate

active

06965483

ABSTRACT:
The invention concerns a system for achieving an optical image of an object (136), and/or for achieving optical collimation (137) of light from a light source (130), comprising a concave mirror (131: 134), the surface normal of which forms an angle with the incident light in a beam. A negative lens (132, 133) that co-operates with the concave mirror is arranged in the incident and/or exit beam paths such that an image with eliminated or reduced imaging aberrations is achieved in a focal plane (135), and/or that the exit light from a light sources (130) is collimated (137).

REFERENCES:
patent: 3836263 (1974-09-01), Rickert
patent: 4395095 (1983-07-01), Horton
patent: 4550973 (1985-11-01), Hufnagel
patent: 2003/0026541 (2003-02-01), Sappey et al.

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