Compact electro-optical sensor assembly having single aperture for multiple detectors
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United States of America Patent
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Jan 16, 2001
Grant Date -
N/A
app pub date -
Mar 31, 1998
filing date -
Mar 31, 1998
priority date (Note) -
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Abstract
A sensor assembly (10) includes first and second focusing mirrors (21, 22) which direct converging radiation to a tilted beam splitter (31) through an opening (23) provided in the first mirror. The beam splitter passes selected infrared radiation, which then passes through a lens system (33, 34, 41) to an infrared detector (16). The beam splitter reflects other radiation, which then passes through a different lens system (46, 56, 58, 61, 62, 67, 68, 69) to a second beam splitter (73). The second beam splitter passes laser light, which travels through a lens (77) to a laser light detector (18). The second beam splitter reflects near-infrared radiation, so that it travels to a further detector (17).
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