Three-Frequency Wave Interactions in the Field of 100 fs Ti:Sapphire Laser pulse in PPLN
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The paper contains experimental results of three-frequency parametric conversion in the field of femtosecond laser pulses in periodically poled lithium niobate crystal. The spectral distribution and the power of radiation at the periotically poled lithium niobate output pumped by Ti:sapphire laser were measured. Special attention is paid to realization of parametric amplification at low frequency pumping. In order to interpret the results obtained we used simultaneous phase matching condition of two coupled three-frequency processes.
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