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Spectral analyzer with wavelength and direction indicator

  • US 6,118,119 A
  • Filed: 06/25/1998
  • Issued: 09/12/2000
  • Est. Priority Date: 12/27/1995
  • Status: Expired due to Fees
First Claim
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1. A device for simultaneously determining the direction and wavelength of an incident light beam, the device comprising:

  • (a) a transparent block having a first face and a second face;

    (b) a diffraction grating associated with said first face for diffracting the incident light beam to produce a plurality of diffracted beams within said transparent block;

    (c) a detector array associated with said second face, said detector array generating an output indicative of positions of intersection of said diffracted beams with said second face; and

    (d) a processor for processing said output to determine the direction and wavelength of the incident light beam.

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