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THIN FILM INTERLEAVER

  • US 20070223860A1
  • Filed: 05/24/2007
  • Published: 09/27/2007
  • Est. Priority Date: 10/31/2002
  • Status: Active Grant
First Claim
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1. A demultiplexer for use in fiber-optic CWDM applications, the demultiplexer comprising:

  • a first stage that comprises a thin film interleaver, the thin film interleaver comprising a thin film portion being formed to exhibit a flat top frequency response, wherein the thin film portion passes a first group of channels to pass through the thin film portion while reflecting a second group of channels, each channel of the first group of channels being adjacent to a channel in the second group of channels; and

    at least one subsequent stage that includes at least two interleavers for receiving the first and second group of channels.

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