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Compact snapshot multispectral imaging system

  • US 8,027,041 B1
  • Filed: 06/08/2007
  • Issued: 09/27/2011
  • Est. Priority Date: 06/08/2006
  • Status: Active Grant
First Claim
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1. An imager comprising:

  • a filter operating as a filter array;

    spectral characteristics of at least some filters for said filter array substantially varying across said filter array;

    said filter array receiving electromagnetic radiation originating from a predetermined object;

    an array of optical elements;

    the array of optical elements being separate from the filter;

    each optical element from said array of optical elements optically disposed to receive electromagnetic radiation transmitted through at least one filter from said filter array;

    a detector system substantially operating as a detector array of detector elements;

    each detector element from said detector array comprising at least two pixels;

    said each optical element from said array of optical elements being optically disposed to substantially image the electromagnetic radiation transmitted through said at least one filter onto at least one detector element from said detector array;

    said array of optical elements generating a substantially co-registered array of images.

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