Low diameter optical fiber

Low diameter optical fiber

  • CN 105,393,149 A
  • Filed: 04/08/2014
  • Published: 03/09/2016
  • Est. Priority Date: 04/15/2013
  • Status: Active Application
First Claim
Patent Images

1. an optical fiber, it comprises:

  • Fibre core, described fibre core has external radius r 1;

    Around the covering of described fibre core, described covering has external radius r 4;

    Around the first coating of described covering, described first coating has external radius r 5, the in situ modulus of described first coating is less than or equal to 0.50MPa;

    And Around the second coating of described first coating, described second coating has external radius r 6, the in situ modulus of described second coating is more than or equal to 1500MPa;

    Described external radius r 6be less than or equal to 110 μ

    m, described optical fiber is more than or equal to 9 μ

    m in the mode field diameter at 1310nm place and when being the Mandrel Wra of 15mm around diameter, shows the bending loss being less than 0.5dB/ circle at 1550nm wavelength place.

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