• Saturable absorbers for low power optical phase conjugation

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      https://www.ias.ac.in/article/fulltext/pram/031/04/0281-0287

    • Keywords

       

      Optical phase conjugation; saturable absorber; degenerate four-wave mixing; absorption spectra; triplet lifetime

    • Abstract

       

      Properties of a few saturable absorbers as candidates for low power optical phase conjugation (OPC) are examined. The specific systems studied are the dyes eosin, erythrosin B and Rose Bengal, doped in gelatin, polyvinyl alcohol and boric acid glass films. A method for quickly checking saturated absorption is suggested and demonstrated. Examples for OPC with these systems are cited and limitations are briefly discussed.

    • Author Affiliations

       

      K P B Moosad1 V P N Nampoori1

      1. Department of Physics, Cochin University of Science and Technology, Cochin - 682 022, India
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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