The theoretical analysis and experimental results of the wavelength tunability of a tandem optical parametric oscillator ( TOPO) based on a single nonlinear crystal are presented. 报道了基于单块非线性晶体的双光参量振荡器(TOPO)波长调谐的理论分析和实验结果。
Rare-earth ion-doped nonlinear crystal 掺稀土离子非线性晶体
The phase mismatch caused by nonlinear crystal temperature gradient is the key factor that affects on transfer efficiency. 在腔内倍频激光器中,非线性晶体的温度梯度造成的相位失配是影响谐波转化效率的关键。
Numerical Simulation Study on Nonlinear Crystal Growth Process Using Perturbation Method 扰动法非线性晶体生长过程数值模拟研究
A passively Q-switched laser was reported by using Cr4+: YAG as saturable absorber and KTP as nonlinear crystal. 报道了一种LD泵浦的被动调QNd:LuVO4激光器,其中,Cr4+:YAG作为可饱和吸收体,KTP作为倍频晶体。
Broadening of Femtosecond Optical Pulse in Lens and Nonlinear Crystal 飞秒光脉冲在透镜和非线性晶体中的展宽
A method of recording a scanning hologram with the phase conjugate property of nonlinear crystal is presented. 提出一种用非线性晶体的相位共轭特性记录扫描全息图的方法。
In the numerical calculation, the Nd ∶ YVO_4 is taken as the laser gain medium, and the periodically poled LiNbO_3 ( PPLN) is taken as the second-order nonlinear crystal. 以Nd∶YVO4作为激光增益介质,周期极化LiNbO3(PPLN)作为二阶非线性晶体,给出了有关数值计算结果。
Experimentally research of the optical properties of organic nonlinear crystal benzophenone 有机非线性晶体二苯甲酮光学性质的实验研究
In diode-pumped all-solid-state laser system, fundamental frequency light have higher power density in resonant. Nonlinear crystal adopted intracavity double frequency can improve crystal's harmonic conversion efficiency. 在激光二极管泵浦的全固态激光器系统中谐振腔内有较高的基频光功率密度,非线性晶体采用腔内倍频方式可提高晶体的谐波转换效率。
In order to improve harmonic conversion efficiency and eliminate walk-off effect, temperature field of nonlinear crystal was accurately calculated. 为了提高谐波转换效率和消除温升引起的晶体走离效应,对于非线性晶体温度场分布特点进行了分析与计算。
Theories and experimental method of the study of transmission properties of nonlinear crystal are provided in this paper. 提供了一种研究非线性晶体透过率特性的实验(双光束方法)和理论方法。
In addition, with increasing parametric gain, it is very importance to appropriately choose the pump beam size and the nonlinear crystal length. 此外,选取合适的抽运光光斑尺寸和非线性晶体的长度对提高参量增益也至关重要。
According to intracavity nonlinear crystal working-state analysis, in high power all-solid-state laser system nonlinear crystal KTP interior precise temperature field is obtained by analytical thermal analysis method, and all kinds of relevant parameters influenced crystal interior temperature field distribution are analyzed. 通过对谐振腔内非线性晶体工作状态的分析,利用解析的方法得出了全固态激光器中非线性晶体KTP内部温度场的精确计算方法,并分析了影响KTP晶体内部温度场变化的各种因素。
The characteristic of the biaxial nonlinear crystal KTP; 倍频晶体KTP的特性;
Analysis of Angle Tuning on Optical Nonlinear Crystal RbTiOAsO_4 and KTiOAsO_4 非线性光学晶体RbTiOAsO4和KTiOAsO4的角度调谐分析
This paper describes the influence of the optical inhomogeneity of a nonlinear crystal on the frequency doubling for transversely homogeneous beams. 研究了基波光强均匀分布情况下非线性晶体的纵向光学不均匀性对倍频的影响。
The physical properties of laser crystals Nd: YAG, Nd: YVO4 and the nonlinear crystal KTA were systematically summarized. The phase match situation of KTA crystal has been emphatically analyzed. 文中还详细描述了激光晶体Nd:YAG和Nd:YVO4以及非线性晶体KTA的一些光学及物理特性,并对KTA晶体的相位匹配情况作了重点分析。
This method can not only be used in studding the distant clock synchronization and the quantum positioning, but is useful in measuring the time difference of a pair of entangled photon passing the nonlinear crystal. 文中所描述的时钟同步测量方法可实现对空间位置的测量,同时又可用于测量纠缠光子对在非线性晶体中传输的时间差。
The principles of the second harmonic generation in the nonlinear crystal polarized by the fundamental wave and the sum frequency generation have been studied. 3. 利用非线性光学耦合波方程,讨论了非线性晶体受基波辐射极化产生二次谐波以及和频产生的机理。
After inserting nonlinear crystal, the dual-wavelength rate equation was added accordingly and the optimal sum-frequency efficiency was analyzed. 在腔内插入非线性晶体后,对激光器双波长速率方程作了相应的修正和最佳和频效率分析。
Is also discussed. 4. Theoretical research on the thermal effect of the nonlinear crystal. 从理论上研究了腔内倍频非线性晶体的热效应。
So far, the most mature way of obtaining the entangled photon pairs is the spontaneous parametric downconversion ( SPDC) method in a nonlinear crystal. 在非线性晶体中通过自发参量下转换产生光子对,是一种最为成熟的产生纠缠光子对以及获得单光子的方法,在光通讯、量子光学和量子信息领域有着极为重要的作用。
Comparative analysis of the nonlinear crystal to select the best frequency conversion crystals. 对非线性晶体进行对比分析选择最佳晶体进行频率变换。
The research of photorefractive nonlinear crystal in demestic and abroad has focused on: the nonlinear surface wave under diffusion mechanism and diffusion-drift mechanism of nonlinear surface wave in the photorefractive crystal. 现阶段,国内外对光折变晶体非线性表面波的研究主要集中于:扩散机制下的光折变晶体非线性表面波和扩散&漂移机制下的光折变晶体非线性表面波。
The results show that the core method of the distant clock synchronization described in this paper is also the same with quantum positioning and measurement the time difference of a pair of entangled photon passing the nonlinear crystal. 结果表明,所描述的方案具有普遍性,可用于时钟同步又可用于空间定位的研究,同时也可用于测量纠缠光子对在非线性晶体中传输的时间差。
The radiation principle: non-linear polarization had been studied thoroughly. At present the main question which exists in the research of optical rectification THz source is that it is very difficult to achieve phase matching in the nonlinear crystal. Therefore, the radiation intensity is too low. 目前在光整流太赫兹源研究中存在的主要问题是:在非线性晶体中实现相位匹配十分困难,所以辐射的太赫兹波强度较低,提出了提高光整流太赫兹源辐射强度的几种方法。