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42%-efficient single-pass cw second-harmonic generation in periodically poled lithium niobate

机译:周期性极化铌酸锂的42%效率单程连续二次谐波发电

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摘要

We present a full-wafer fabrication process for periodically poled lithium niobate with a 6.5-mu m domain period. Samples that were 53 mm long and 0.5 mm thick were obtained with this process for single-pass cw 1064-nm Nd:YAG second-harmonic generation. These samples exhibited 78% of the ideal nonlinear coefficient, had a measured conversion efficiency of 8.5%/W in the low-power limit, and produced 2.7 W of cw 532-nm output with 6.5 W of cw input, which corresponds to 42% power conversion efficiency. (C) 1997 Optical Society of America.
机译:我们提出了周期为6.5微米的周期极化铌酸锂的全晶片制造工艺。通过此过程获得了53毫米长和0.5毫米厚的样品,用于单次通过连续1064 nm Nd:YAG二次谐波。这些样品表现出理想非线性系数的78%,在低功率限制下测得的转换效率为8.5%/ W,并产生2.7W的532nm输出和6.5W的cw输入,相当于42%功率转换效率。 (C)1997年美国眼镜学会。

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