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Article comprising a temperature compensated optical fiber refractive index grating

  • US 5,694,503 A
  • Filed: 09/09/1996
  • Issued: 12/02/1997
  • Est. Priority Date: 09/09/1996
  • Status: Expired due to Fees
First Claim
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1. An article comprising an optical fiber with a refractive index grating having a length and a reflection wavelength λ

  • at a given temperature within an operating temperature range;

    wherein the optical fiber is attached to a support member, said support member having a negative coefficient of thermal expansion selected such that λ

    is substantially temperature independent over said operating temperature range.

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