Low-loss single-mode optical fiber applied to long-distance communication transmission and manufacture method thereof

Low-loss single-mode optical fiber applied to long-distance communication transmission and manufacture method thereof

  • CN 102,998,743 A
  • Filed: 01/05/2013
  • Published: 03/27/2013
  • Est. Priority Date: 01/05/2013
  • Status: Active Grant
First Claim
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1. a low-loss single-mode optical fiber that is adapted to the long haul communication transmission is characterized in that:

  • comprise fibre core, covering and coat;

    Fibre core is in the optical fiber innermost layer, and the fibre core outer setting has covering, and covering adopts silicon dioxide, has outer sagging refractive index profile structure, and its surrounding layer amplitude of sinking reaches 0.12% ±

    0.04%, and coat is outside at covering.

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