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IMAGING SYSTEM WITH AN OPTICAL MIRROR ARRANGEMENT AND SELF RIGHTING HOUSING

  • US 20100108885A1
  • Filed: 03/18/2008
  • Published: 05/06/2010
  • Est. Priority Date: 03/27/2007
  • Status: Active Grant
First Claim
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1. A multi-wavelength band imaging system includingan objective system which is arranged to collect radiation emanating from an object space,a beam splitter which is arranged to collect radiation from the objective system and to direct collected radiation to first and second image planes, andfirst and second image sensors respectively arranged in the first and second image planes;

  • wherein, the objective system includes a convex reflective surface and a concave reflective surface mutually spaced along an optical axis through the beam splitter, the convex reflective surface being disposed to collect radiation from object space and to deliver the collected radiation to the concave reflective surface, and the concave reflective surface being disposed to transfer radiation collected from the convex reflective surface to the beam splitter past the convex reflective surface; and

    wherein the first image sensor is adapted for imaging radiation in a first wavelength band, the second image sensor is adapted for imaging radiation in a second wavelength band, the first and second wavelength bands being either side of a wavelength of about 2.7 microns.

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