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Why named it parametric amplifier?

  1. May 27, 2016 #1
    I have a seminar for my Optic Course in university with this title : Optical Parametric Amplifiers.

    I searched a lot but I couldn't find why its name "Parametric Amp" I think its about RF parametric amp..

    Please if you know why named "parametric" share your knowledge with me.

    Thanks for advance
  2. jcsd
  3. May 27, 2016 #2


    Staff: Mentor

    I googled "define parametric amplifier" and got this.

    Definition of parametric amplifier. : a high-frequency amplifier whose operation is based on time variations in a parameter (such as reactance) and which converts the energy at the frequency of an alternating current into energy at the input signal frequency in such a way as to amplify the signal.

    Didn't you do that before posting your question?
  4. May 27, 2016 #3


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