Large effective area optical fiber

Large effective area optical fiber

  • CN 1,500,219 A
  • Filed: 11/29/2001
  • Published: 05/26/2004
  • Est. Priority Date: 12/12/2000
  • Status: Active Application
First Claim
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1. light transmitting fiber is characterized in that it comprises:

  • Fibre core, its index distribution determines that by radius and relative index of refraction number percent wherein, described fibre core is germanic;

    Covering surrounds fibre core and also joins with it, and its index distribution is determined by radius and relative index of refraction number percent;

    Wherein, fibre core and covering provide greater than about 90 μ

    m 2Useful area;

    And Wherein, described optical fiber is not fluorine-containing substantially.

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