Photodynamics of optical limiting upon two-photon excitation of a liquid crystal-perylene system |
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| Authors: | V V Danilov E N Sosnov O V Khapova A I Khrebtov T A Shakhverdov |
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| Institution: | (1) Research Institute of Laser Physics, St. Petersburg, 199034, Russia;(2) All-Russia Research Center Vavilov State Optical Institute, St. Petersburg, 199034, Russia |
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| Abstract: | On the example of a model system—liquid crystal-perylene—the efficiency of the two-photon mechanism in solving problems of optical limiting and the prospects of using for these purposes radical ions that are formed due to the action of laser radiation on polycyclic compounds are shown. The role of luminescence quenching by light as a secondary nonlinear effect in the kinetics of optical limiting is considered in detail. |
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