1、

If we introduce the aperiodic or periodic reversal of the nonlinear optical coefficient into the waveguides, the CSHG conversion efficiency can be improved greatly, the configuration also has been called quasi-phase matched CSHG ( QPM-CSHG).

如果引入二阶非线性系数的周期极化反转,即考虑到准相位匹配的情况,切伦科夫倍频效率将会得到极大的提高,可以将之称为准相位切伦科夫倍频(QPM-CSHG)。

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2、

Different relationships between principal-axes and crystallographic-physical-axes result in different expressions of the effective nonlinear optical coefficient.

由于晶体的折射率主轴与其晶体物理主轴有著不同的配对方式,其三阶有效非线性系数计算公式将发生变化.

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3、

The nonlinear absorption coefficient ( B), the nonlinear refractive coefficient ( n2) and the third-order nonlinear susceptibility ( X ( 3)) of three monomers and some polymers were fitted and calculated. The relationship between nonlinear optical properties and molecular structures was discussed.

对它们的非线性吸收和非线性折射进行拟合,计算得到非线性吸收系数β、折射率n以及三阶非线性系数X~(3),并探讨了分子结构和材料性能之间的关系。

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4、

The influence of the structural parameters of single-pump fiber optical parametric amplifier including pump power, pump wavelength, fiber dispersion slope, fiber nonlinear coefficient and fiber length on its gain bandwidth are studied.

研究了单泵浦光纤参量放大的配置参数,如泵浦功率、泵浦波长、光纤色散斜率、光纤非线性系数、光纤长度等对光纤参量放大增益带宽的影响。

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5、

CBO exhibits a relatively large effective nonlinear optical ( NLO ) coefficient in the ultraviolet range.

CBO在紫外波段具有较大的有效 非线性光学 系数.

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