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Phase angle controlled stationary elements for long wavelength electromagnetic radiation

  • US 20040100343A1
  • Filed: 09/25/2003
  • Published: 05/27/2004
  • Est. Priority Date: 08/23/2002
  • Status: Active Grant
First Claim
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1. An element for reflecting or transmitting electromagnetic radiation comprising:

  • a grid of conductive strips and a plurality of active regions, each of said active regions comprising a volume of chalcogenide material, said chalcogenide material having an amorphous state and a crystalline state, each of said active regions having a plurality of structural states, said structural states differing in the fractional crystallinity of said volume of chalcogenide material;

    wherein said element receives incident electromagnetic radiation and modifies its phase to produce reflected or transmitted electromagnetic radiation.

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