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Apparatus and method for measuring characteristics of optical pulses

  • US 6,057,919 A
  • Filed: 07/11/1997
  • Issued: 05/02/2000
  • Est. Priority Date: 07/16/1996
  • Status: Expired due to Fees
First Claim
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1. An apparatus for measuring characteristics of optical pulses comprising:

  • (a) a beam splitter for splitting an input beam of optical pulses to be measured into a pair of light beams output therefrom;

    (b) means for modulating an optical path length of one of the pair of light beams output from said beam splitter;

    (c) means for changing the optical path length of one of said pair of light beams output from said beam splitter relative to the other of said pair of light beams output from said beam splitter;

    (d) an optical mixer for mixing the pair of output light beams;

    (e) an optical detector for detecting a light beam output from said optical mixer; and

    (f) means for measuring the amplitude of an AC signal output from said optical detector.

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