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DETERMINATION OF TYPE I PHASE MATCHING ANGLES AND CONVERSION EFFICIENCY IN KTP

机译:KTP中I型相匹配角的确定和转换效率

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Measurements of the conversion efficiency of second-harmonic generation in KTP (KTiOPO4) by the use of type I phase matching for different fundamental wavelengths of a mode-locked picosecond Ti:sapphire laser are presented. The observed phase matching angles are in agreement with the calculated phase matching curves. At a fundamental wavelength of 834 nm and an intensity of 100 MW/cm(2) the conversion efficiency is 4% at maximum, and the corresponding effective nonlinear coefficient d(eff) is equal to 0.32 pm/V. The experimental values of d(eff) are related to d(11) (= 0.46 pm/V) of quartz and are in line with the predictions. [References: 10]
机译:提出了通过对锁模皮秒钛:蓝宝石激光器的不同基本波长使用I型相位匹配来测量KTP(KTiOPO4)中二次谐波产生的转换效率。观察到的相位匹配角与计算出的相位匹配曲线一致。在834 nm的基本波长和100 MW / cm(2)的强度下,转换效率最大为4%,相应的有效非线性系数d(eff)等于0.32 pm / V。 d(eff)的实验值与石英的d(11)(= 0.46 pm / V)有关,与预测值一致。 [参考:10]

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