Wavelength selective filter

DC CAFC
  • US 6,141,361 A
  • Filed: 07/24/1997
  • Issued: 10/31/2000
  • Est. Priority Date: 09/30/1994
  • Status: Expired due to Term
First Claim
Patent Images

1. A tunable filter for polychromatic optical radiation comprising an electronically programmable spatial light modulator for displaying computer generated hologram patterns of data as a series combination of a first dynamically variable wavelength dispersive element, and a second static wavelength dispersive element.

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