1) birefringent phase matching
双折射相位匹配
1.
By comparing the birefringent phase matching(BPM) technique,we can clearly see the advantages of quasi.
从非线性耦合的基本方程出发,描述了光学二次谐波(SHG)产生,分析了影响二次谐波转换效率的各个因素,阐述了相位匹配的概念,解释了准相位匹配(QPM)技术对提高非线性光频转换效率的作用,最后与传统的双折射相位匹配(BPM)相比较,总结得出利用准相位匹配技术在实现非线性光频转换过程中所具有的优点。
2) Retardation
[英][,ri:tɑ:'deiʃən] [美][,ritɑr'deʃən]
双折射相位差
1.
Retardation Measurement by Interference Method;
干涉法测量双折射相位差
3) refractive index match
折射率匹配
4) phase-matching
相位匹配
1.
A difforent frequency generation of nonlinear optical crystals of AgGaSe_2 and AgGaS_2 has been analyzed based on the three-wave coupled equation and energy consesrvation in the phase-matching of type-Ⅰand type-Ⅱ.
经过数值模拟计算,得到了在Ⅰ类和Ⅱ类相位匹配条件下,泵浦波长分别取不同值时差频调谐波长与调谐角度的理论曲线。
2.
Based on the calculation and discussion on the phase-matching,walk-off angle,acceptance angle and effective nonlinear coefficient for the KTP crystal,and on the numerical simulations of the angle-tuning curve and gain curve,the tuning spectrum and cutting angle of the KTP was finally established as 1.
讨论了KTP-OPO的相位匹配,计算了KTP的走离角、允许角和有效非线性系数,数值模拟了角度调谐曲线和增益曲线,从而确定了调谐范围为1。
3.
Energy conversion process and spatial distribution of forward-propagating signal wave and backward-propagating wave of sum frequency under phase-matching condition were investigated.
基于电磁场理论,推导了无耗非线性左手材料中三波耦合的波混合方程,并研究了相位匹配条件下正向信号波与逆向和频波的能量转换过程及其空间分布。
5) phase match
相位匹配
1.
The principles of laser frequency transformation and the theory of phase matching in nonlinear optic crystals are also discussed.
在总结激光频率变换的原理和非线性光学晶体的相位匹配理论的基础上，可以根据相位匹配理论进行晶体的相位匹配角的计算。
6) Phase matching
位相匹配
1.
We have realized the phase matching of optical parametric oscillator in KTP crystal pumped by doubled YAG laser in the quasi-degenerate region theoretically and obtained the condition of interactions of Type Ⅱ (A) and Type Ⅱ (B) in KTP in this region.
从理论上研究了近简并区内倍频YAG激光(532nm)泵浦KTP晶体光参量振荡器位相匹配的实现。
2.
A numerical analysis method used for calculating phase matching with the parametric effect is put forward, the phase mismatching from the material and waveguide dispersion of the fiber in the parametric effect is calculated by the numeric method and the spatial curvature surfaces of phase mismatching Changed with both pump light wavelength and frequency shift between the pu.
研究了几种掺杂情况下光纤折射率的变化导致光纤零色散波长的变化，提出一种用于参量过程中位相匹配的数值分析方法，对光纤中材料色散与波导色散引起的参量过程中的位相失配进行了数值分析，给出相应的随泵浦波长和泵浦与信号间的频移而变化的位相失配空间曲面，结果表明，在零色散波长附近有最大的频移可满足位相匹配，且此规律不随零色散波长移动而发生变
补充资料：双轴双折射
分子式：
CAS号：
性质：由双轴取向引起的双折射。由于不存在单轴取向时的旋转对称轴，因此需要在两个相互垂直的方向上测量双折射值才能给出全面的表征。
CAS号：
性质：由双轴取向引起的双折射。由于不存在单轴取向时的旋转对称轴，因此需要在两个相互垂直的方向上测量双折射值才能给出全面的表征。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条