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- Keywords quasi phase matched;periodically poled LiNbO 3;optical parametric oscillator; 准相位匹配;周期性极化铌酸锂;光参量振荡;
- Press ENT button. Phase matching is completed and "PH=" disappears. 按ENT按钮，相位匹配被完成,“PH=”消失。
- The phase matching angle is calculated under different noncollinear angles. 计算了在不同非共线夹角下的相位匹配角度。
- Abstract： The thermal distortions of a high average power solid-state laser could be compensated by cube corner arrays (CCA) due to the quasi phase conjugation. 摘要： 角锥棱镜阵列具有溯源反射和准相位共轭两大特点，可在一定程度上补偿高平均功率固体激光器的热畸变。
- Phase Matching of Optical Heterodyne Measurement in Nondestructive Evaluation[J]. 引用该论文 余学才;李丽国;曹飞;李绍荣.
- Study of Phase Matching of Three Wave Noncollinear Interactions Optical Parametric Process[J]. 引用该论文 刘红军;陈国夫;赵卫;王屹山;王涛;赵尚弘.
- SRS possesses many attractive features, i.e. beam clean-up, pulse compression, no need for phase matching, and high conversion efficiency. 此外受激拉曼散射具有多种优良特性，如散射光光束质量好、脉宽窄、不需要相位匹配、并且具有高的转换效率。
- By following the way of studying the nonlinear effect as a whole , the influence of the SPM and XPM to the phase matching condition of FWM is studied . 根据综合研究非线性效应的考虑，本文研究了自相位调制及交叉相位调制对四波混频相位匹配的影响，在一定的简化下得到了解析的结果。
- According to Sellmeier's equations for BBO crystal,the relationship of phase matching angle of generating the sum frequency effect to wavelength is theoreti-cally calculated. 根据BBo晶体Sellmeier方程确定的折射率，计算了在钛宝石激光可调谐波段的和频相位匹配角。
- When the average power of femtosecond Ti:sapphire laser is 560mW,the SHG output power is 352mW with type I phase matching BBO crystal. The SHG conversion efficiency is 63%. 采用一类相位匹配的 BBO晶体 ,当飞秒钛宝石光脉冲平均功率为 560 m W时 ,二次谐波输出功率为 352 m W,二次谐波转换效率高达 63%25 ;
- The experimental result was explained theoretically with the relation between the polarization property of the fundamental laser beam and the phase matching of KTP. 最后使用基频光的偏振特性与KTP的相位匹配之间的关系对实验结果进行理论解释。
- It is necessary to adjust the direction of incident light for minimum phase mismatching when the direction of phase matching deviated from crystal normal direction. 晶体倍频中当晶体表面法线与相位匹配方向不一致时,需调整入射光方向使相位失配最小。
- The optic-acoustic reaction relationship is analyzed to noncollinear acousto-optic tunable filter (AOTF) under normal phase matching condition in this paper. 研究非共线性声光可调谐滤波器 (AOTF) 在一般相位匹配条件下的声光相互作用关系。
- The achromatic phase matching technology is introduced in femtosecond optical parametric amplification, and broadband phase matching condition with angular dispersion of signal beam is given. 将多色相位匹配技术应用于飞秒光参量放大, 推导出信号光带角色散时的宽带运转条件。
- It can break the balance of the output power or the phase match between inverters and loads effectively to implement a fast islanding detection.There is no non detection zone with this algorithm. 该方法使逆变器输出电流的相位周期性累加式变化，同时检测频率的变化来调节相位的正反馈，有效地打破逆变器输出和负载之间的功率平衡或相位匹配，从而快速检测出孤岛状态，且不存在检测盲区。
- Guided wave second-harmonic (SH) generation can not be phase matched automatically by Cerenkov radiation scheme. 用波导产生倍频波时,如果倍频波进入辐射模区,仍然有相匹配问题。
- Mourinho said:' Last season was unbelievable. After the Champions League, Chelsea was nearly always away, especially after the group phase matches. 穆里尼奥说：‘个赛季简直不敢相信，在我们冠军联赛比赛之后，几乎都是客场联赛。我尤其在意小组赛结束之后的那次。
- Optimum phase matching for SHG in biaxial crystals 双轴晶体中二次谐波产生的最佳相位匹配条件
- The generation and detection of THz wave, particularly by using the photoconductive antenna, optical rectification and non-collinear phase matched THz OPO, are introduced. 摘要详细介绍了利用光导天线、光整流和光学参量振荡器产生太赫兹波，以及利用电光效应和光导偶极天线探测太赫兹波的方法。
- The generation and detection of THz wave,particularly by using the photoconductive antenna,optical rectification and non-collinear phase matched THz OPO,are introduced. 详细介绍了利用光导天线、光整流和光学参量振荡器产生太赫兹波,以及利用电光效应和光导偶极天线探测太赫兹波的方法。
