Passive Q Modulation

  • A. M. Ratner
Part of the Optical Physics and Engineering book series (OPEG)


Q-modulation of an optical cavity can be accomplished by means of a passive optical shutter which is opened due to the action of the generated radiation itself. A passive optical shutter can consist of an absorbing medium placed in the laser cavity [15, 38, 49, 81, 100, 118, 143, 144, 145]. When generation begins, the absorbing centers are transferred to an excited state, and the medium becomes transparent (i.e., the shutter is opened).


Pump Power Single Pulse Free Oscillation Relaxation Oscillation Excited Atom 
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Copyright information

© Plenum Press, New York 1972

Authors and Affiliations

  • A. M. Ratner
    • 1
  1. 1.Insitute of Low-Temperature Physics and EngineeringAcademy of Sciences of the Ukrainian SSRKhar’kovUSSR

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