Fiber optic amplifier

  • US 4,859,016 A
  • Filed: 12/22/1987
  • Issued: 08/22/1989
  • Est. Priority Date: 11/25/1983
  • Status: Expired due to Term
First Claim
Patent Images

1. A fiber optic amplifier, comprising:

  • an optical fiber comprised of a material which will emit light in response to pumping;

    a source of signals comprising light at a frequency of said emitted light;

    a source of light for pumping said material; and

    means for coupling both said signals and said light for pumping into an end of said optical fiber.

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