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Optical fiber for use in Bragg grating and fiber Bragg grating using the same

  • US 6,233,386 B1
  • Filed: 06/22/1999
  • Issued: 05/15/2001
  • Est. Priority Date: 06/24/1998
  • Status: Expired due to Fees
First Claim
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1. An optical fiber, comprising:

  • a core comprising GeO2

    SiO2, for guiding light; and

    a cladding surrounding the core and having a value of refractive index lower than that of the core, said cladding being a glass comprising SiO2 and further comprising a first additive selected from the group consisting of TiO2 and ZrO2.

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