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Spatially-selective disks, submillimeter imaging devices, methods of submillimeter imaging, profiling scanners, spectrometry devices, and methods of spectrometry

  • US 8,780,345 B2
  • Filed: 04/23/2012
  • Issued: 07/15/2014
  • Est. Priority Date: 04/22/2011
  • Status: Expired due to Fees
First Claim
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1. A method of spectrometry, the method comprising:

  • providing a spectrometry device including;

    a disk having one or more holes;

    a motor configured to rotate the disk;

    one or more beam-shaping optics selected from the group consisting of;

    prisms and cylinders, the one or more beam-shaping optics arranged to map one or more spectral components of radiation of interest onto a plurality of locations on the disk; and

    a receiver positioned to capture the one or more spectral components passing through the one or more holes as the disk is rotated;

    actuating the motor to rotate the disk;

    capturing a plurality of spectral components passing through the plurality of holes as the disk rotates; and

    computing a spectrum by solving a system of equations wherein a magnitude of one of the plurality of spectral components is equal to a sum of a product of the spectral component in each of a plurality of pixels and the fraction of pixel area backed by the plurality of holes.

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