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Optical processing

  • US 7,612,930 B2
  • Filed: 09/01/2006
  • Issued: 11/03/2009
  • Est. Priority Date: 09/03/2001
  • Status: Expired due to Fees
First Claim
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1. An optical device comprising;

  • one or more optical inputs at respective locations, a diffraction grating constructed and arranged to receive light from the or each optical input, a focussing device and a continuous array of phase modulating elements;

    the diffraction grating and the array of phase modulating elements each being disposed in a focal plane of the focussing device whereby diverging light from a single point on the diffraction grating passes via the focussing device to form beams at the array of phase modulating elements, the device further comprising one or more optical outputs at respective locations spatially separate from the or each optical input, whereby the diffraction grating is constructed and arranged to output light to the or each optical output.

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