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High germanium content waveguide materials

  • US 6,768,856 B2
  • Filed: 07/27/2001
  • Issued: 07/27/2004
  • Est. Priority Date: 02/09/2001
  • Status: Active Grant
First Claim
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1. A glass composition comprising:

  • a germanium-silicon oxynitride having a Ge/(Si+Ge) mole ratio of from about 0.25 to about 0.47 and an N/(N+O) mole ratio of less than about 0.1.

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