High-Efficiency Second-Harmonic Generation Of Superintense Ultrashort Laser Pulses

Sergey Mironov,Vladimir Lozhkarev,Vladislav Ginzburg,Efim Khazanov

APPLIED OPTICS（2009）

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摘要

The effect of instantaneous cubic nonlinearity on second-harmonic generation of femtosecond laser pulses is investigated. The possibility of improving generation efficiency and shortening pulse duration 14 is analyzed. Energy conversion efficiency of 60% was obtained in an experiment in a 1 mm thickness KDP crystal at the peak intensity of 0.6 TW/cm(2) and the duration of 60 s. (C) 2009 Optical Society of America

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关键词

second harmonic generation,nonlinear optics

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