Multi-stage fiber amplifier with flattened gain curves

Multi-stage fiber amplifier with flattened gain curves

  • CN 1,246,182 A
  • Filed: 09/28/1998
  • Published: 03/01/2000
  • Est. Priority Date: 10/02/1997
  • Status: Abandoned Application
First Claim
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1. multi-stage fiber amplifier comprises:

  • At least three fiber amplifier levels, every grade of optical fiber that comprises one section doping,Described a plurality of amplifier stage is connected in series, and is used for order and amplifies the light signal that is provided to first amplifier stage;

    Be used for pumping radiation is provided to described amplifier stage so that support the device that laser wherein amplifies;

    WithAt least two equalizing filter, each is all between every pair of described amplifier stage.

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