Multi-color wide angle infrared optical systems and methods

Details Multi-color wide angle infrared optical systems and methods Multi-color wide angle infrared optical systems and methods

2008-03-04

2008-03-04

Harrington, Alcia M (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S356000, C250S339010

Reexamination Certificate

active

11599536

ABSTRACT:
Systems and methods for providing a wide angle multi-color infrared (IR) optical system are disclosed. In one embodiment, a system is provided that comprises a negative lens configured to receive an incoming light beam scene over a wide FOV and a beam splitter configured to receive incoming light beam associated with the incoming light beam scene from the negative lens and to provide light beams of a first color to a first channel and to provide light beams of a second color to a second channel. The system further comprises a first positive lens assembly arranged to focus light beams of the first color received from the beam splitter on a first image detector, and a second positive lens assembly arranged to focus light beams of the second color received from the beam splitter on a second image detector.

REFERENCES:
patent: 6423969 (2002-07-01), Amon

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