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通过实验确定了YCOB晶体的全部非线性系数 ,并用不同切向的YCOB晶体验证了由此决定的有效非线性系数的空间分布。结果表明 ,YCOB晶体的有效非线性系数在第二像限的θ =67° , =14 3 5°处具有最大值 ,为 1 73pm V。当长度为 5mm时 ,该切向晶体的倍频转换效率达到 4 1 5 %。
The total nonlinear coefficient of YCOB crystal was determined experimentally and the spatial distribution of the effective nonlinear coefficient determined from this was verified with different tangential YCOB crystal. The results show that the effective non-linear coefficient of YCOB crystal has the maximum value of 1 73pm at θ = 67 ° and = 143.5 ° of the second quadrant. When the length of 5mm, the tangential crystal frequency conversion efficiency of 4 1 5%.