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Thermal effects in phase-conjugation in saturable absorbers with picosecond pulses

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Phase conjugation reflcction with efficiencies of 400% for microsecond pulses and ~50% Tur picosecond pulses has been obtained in saturable absorber dye Solutions. The effect of difTcrcnt solvcnls on thc gencration of the thermal pitase grating involved was investigated.

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