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Integrated optical device with phosphor in substrate pit

  • US 6,118,908 A
  • Filed: 06/15/1999
  • Issued: 09/12/2000
  • Est. Priority Date: 09/09/1994
  • Status: Expired due to Term
First Claim
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1. Apparatus comprising:

  • a substrate carrying a passive integrated optical waveguide segment and further having a pit disposed to receive optical energy from said waveguide segment; and

    a phosphor disposed in said pit, said phosphor re-radiating optical energy in response to optical energy received from said waveguide segment.

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