The nonlinear refraction and nonlinear absorption of 40 nanosecond (FWHM) 532 nm pulses through the samples made
of nanoporous glass polymer composite doped with phthalocyanine and porphyrin dyes is investigated. The laser damage
resistance of 28 nanosecond (FWHM) 532 nm pulses in nanoporous glass polymer composite is measured. It is
demonstrated that the nanoporous glass polymer composite is a good solid-state host material for nonlinear element of
laser optics.
The natural laws of the nonlinear absorption in the nanoporous glass polymer composite doped with phthalocyanine and
porphyrin dyes is investigated experimentally using 24 nanosecond (FWHM) 532 nm laser pulses. The nonlinear
absorption in the network of the four-level model is analyzed theoretically. It is demonstrated that theoretical result and
experimental data have a good agreement.
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