Method for preparing double-cladding active fiber

Method for preparing double-cladding active fiber

  • CN 106,371,168 A
  • Filed: 08/30/2016
  • Published: 02/01/2017
  • Est. Priority Date: 08/30/2016
  • Status: Active Application
First Claim
Patent Images

1. a kind of method preparing double-cladding active optical fiber is it is characterised in that include:

  • Prepare optical fiber prefabricated rod mandrel;

    Described optical fiber prefabricated rod mandrel is placed in pickling in described hydrofluoric acid solution, goes the removal of impurity;

    Preparation non-circular shape glass bushing;

    In described sleeve pipe external sediment glassy layer;

    Described sleeve pipe is carried out coupling cutting according to described optical fiber prefabricated rod mandrel size, is placed in pickling in hydrofluoric acid solution,Go the removal of impurity;

    Described sleeve pipe and described optical fiber prefabricated rod mandrel are combined set and dress up preform molectron;

    Described preform molectron is arranged on wire-drawer-tower and is melted contracting, wire drawing and coating online, making double clad hasSource optical fiber.

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