Light pulse generating method and device based on Sagnac interferometer

Light pulse generating method and device based on Sagnac interferometer

  • CN 101,382,669 B
  • Filed: 09/26/2008
  • Issued: 08/29/2012
  • Est. Priority Date: 09/26/2008
  • Status: Active Grant
First Claim
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1. light pulse generating method based on the Sagnac interferometer;

  • It is characterized in that;

    place the single Waveguide Phase Modulator of a reciprocity at an end of the fiber optic loop of Sagnac interferometer, and with square-wave signal in the interferometer along modulating with the light of counterclockwise propagating clockwise;

    Pulse width and the repetition frequency of the light pulse signal of output respectively with the frequency dependence of the length and the square-wave modulation signal of fiber optic loop;

    The reciprocity of the single Waveguide Phase Modulator of the time delay effect of wherein said fiber optic loop and said reciprocity makes on the said fiber optic loop along receiving identical square wave phase constantly and modulate different with the two-beam of counterclockwise propagating clockwise.

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