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Hyperspectral imaging systems

  • US 8,233,148 B2
  • Filed: 06/06/2007
  • Issued: 07/31/2012
  • Est. Priority Date: 12/21/2001
  • Status: Active Grant
First Claim
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1. A hyperspectral imaging system, comprising:

  • a focal plane array;

    a grating-free spectrometer, having one or both of a lenslet array and an aperture array, for first dividing a field of view into multiple channels and for then reimaging each of the multiple channels as a spectral signature onto the focal plane array;

    first optics, to collimate electromagnetic energy of the multiple channels;

    a prism, to disperse the electromagnetic energy of the multiple channels into the spectral signatures;

    second optics to image the spectral signatures onto the focal plane array; and

    a processor connected with the focal plane array for forming a hyperspectral data cube from the spectral signatures, wherein objects may be identified from the hyperspectral data cube.

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