Scanning image system
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United States of America Patent
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Mar 21, 1995
Grant Date -
N/A
app pub date -
Jun 14, 1993
filing date -
Jun 16, 1992
priority date (Note) -
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Abstract
A multi-spectral optical imaging system comprising first and second facing, reflective surfaces defining a single optical axis, the first reflective surface being integrally formed on a single piece of metallic material, the single piece of metallic material having a central aperture through which the optical axis extends and a plurality of elongate rib members integrally formed thereon which define therebetween a plurality of openings communicating with the central aperture; and the second reflective surface having a focus on the optical axis, whereby radiation impinging on the first reflective surface is reflected therefrom towards the second reflective surface and further reflected from the second reflective surface towards the focus; scanning element associated with the second reflective surface for causing the second reflective surface to undergo scanning motion; beamsplitting element receiving radiation reflected from the second reflective surface; and plural detectors, each operating at a different optical wavelength and receiving radiation from the beamsplitting element.
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