相位匹配

分析了信号相位匹配原理的方位估计性能，并与MUSIC方法和常规波束形成方法的方位估计结果进行了比较；

The performance of direction estimation by using signal phase matching principle was analyzed and compared with that by using MUSIC and Conventional Beamforming Methods ( CBF ) .

1.57μm非临界相位匹配KTP参量振荡器

1.57 μ m Noncritical Phase Matching KTP Optical Parametric Oscillator

AgGaS2晶体Ⅱ类非共线相位匹配CO2激光参量上转换

A noncollinear type ⅱ phase-matching parametric upconversion of CO_2 laser in AgGaS_2 crystal

相位匹配光整流THz辐射波导的研究

Studies on THz Radiation Waveguides Based on Phase-matched Optical Rectification

相位匹配处理微动目标ISAR成像

Phase Matching Processing for ISAR Imaging of Target with Micro-Motion

准相位匹配LN倍频波导铁电畴反转光栅的研究

Theoretical Analysis of LN Waveguide Second Harmonic Generation Quasi Phase Matched with Ferroelectric Domain Inversion Gratings

测试了晶体的倍频性能，Mg：Nd：LiNbO3晶体的相位匹配温度为102°C，相应的倍频转换效率达到28%。

The results show that the phase match temperature of the Mg : Nd : LiNbO_3 crystal is 102 ° C , and the corresponding SHG transition efficiency is 28 % .

利用7045型光参量放大器，测量了非临界相位匹配波长随组分x的变化关系。

Using a 704-5 type optical parametric amplifier , we measured the non-critical phase-matching wavelengths in several Gd xY 1-x COB crystals with different compositional parameter x.

利用多重准相位匹配技术，研究了基于光学超晶格制备可预知单光子多组份模式纠缠W态的理论方案。

We proposed a scheme for the preparation of the heralded single-photon multipartite entangled W state by using multiple QPM based on OSLs .

光诱导孤子波导及双轴晶体中SHG的最佳相位匹配条件

Light-induced Soliton Waveguides and Optimal Phase-matching for SHG in Biaxial Crystals

KTP晶体光参量过程的相位匹配

Phase matching of optical parametric generation in KTP crystal

晶体球法直接测量KTP晶体第Ⅰ类相位匹配曲线

Direct Measurement of Type ⅰ Phase-Matching Curve of KTP Crystal Using Sphere Method

LBO晶体非临界相位匹配倍频研究

Frequency - doubling Study of Noncritical Phase - matched LBO Crystal

进一步地，讨论了温度变化对GaAs晶体中相位匹配的影响。

Moreover , the influence of the temperature varying on the collinear phase-matching in GaAs crystal has been discussed as well . 2 .

在对实验元器件进行分析比较后，选择了一组实验器件搭建V型折叠腔进行腔内倍频绿光实验。本课题中激光晶体选用Nd：YAG：倍频晶体选用KTP（采用Ⅱ非临界相位匹配方式）；

We set up a V-type resonator for intro-cavity frequency-doubling green laser experiment according to the analysis and comparison of necessary apparatus .

尤其是准相位匹配技术的出现，使得KTP晶体在非线性光学领域有了更大的应用空间。

Especially the quasi-phase match technology extends the applications of KTP crystals in non-linear optics field .

旋光晶体中的SHG及其相位匹配

SHG and phase matching in rotatory crystals

首先，介绍了光纤中四波混频基本理论，并且推导出了符合MF的相位匹配公式。

The basic theory of four-wave mixing in fiber is presented , and the phase matching expressions are deduced .

NLO晶体非临界相位匹配研究的最新进展

Recent Advances in Research on Noncritical Phase-Matching of NLO Crystals

LBO晶体Ⅱ类相位匹配走离角及互作用长度的计算

Calculation of Type ⅱ Phase-matching Walk-off Angle and Interaction Length of LBO Crystals

对非共线泵浦KTP光学参量振荡器的相位匹配过程进行了理论分析和实验研究。

KTP Optical Parametric Oscillator with Noncollinear Pump The phasematching condition in noncollinear pump OPO is analyzed .

带辅助电路的12脉波整流电路的研究相位匹配光整流THz辐射波导的研究

Research on Twelve-pulse Three-phase Rectifier with Auxiliary Circuit ; Studies on THz Radiation Waveguides Based on Phase-matched Optical Rectification

由于Fibonacci结构中的多相位匹配机制，异常传输谱具有多重分形结构。

Owing to the multiple phase-matching mechanism in Fibonacci chain , the multifractal transmission property is found .

进一步的分析指出，这是由长周期光纤光栅不同于Bragg光纤光栅的相位匹配条件决定的。

Further analysis shows that this is caused by the long-period fiber grating 's phase matching condition , which is different from that of Bragg grating .

详细计算了在Nd：YAG调Q激光器各次谐波泵浦条件下的共线Ⅰ类和Ⅱ类相位匹配的调谐曲线，以及非共线Ⅰ类相位匹配调谐曲线；

Collinear type-I and type-II phase matching tuning curve pumped by the Q switch Nd : YAG various harmonics as well as noncollinear type-I tuning curve are calculated in details ;

目前人们通常利用各向异性晶体双折射特性的相位匹配（PM）技术和人为地在非线性晶体上制备出周期结构的准相位匹配（QPM）技术来实现高效频率转换。

At present , people usually use birefrigence and quasi-phase-matching methods to achieve higher effiency in the process of conversion .

报道了LD端面泵浦Nd∶YVO4晶体、类相位匹配KTP腔内倍频的绿光激光器。

A laser-diode pumped CW Nd ∶ YVO_4 green laser with KTP ( type - ⅱ critical phase matching ) is reported .

准相位匹配（QPM）技术研究新进展

New Development of Quasi-phase-matching ( QPM ) Technique

通过对环形泵辅相位匹配方式的解剖，发现所得到的CARS信号是由多种相让匹配方式产生的，分析了各种匹配方式产生的CARS强度的份额与空间分布。

The experimental results indicate that the CARS signal by annular-pump phase matching is induced by several matching patterns . The intensity portion and spatial distribution of CARS signal for these patterns were analyzed .

准相位匹配LiNbO3波导全光波长变换的理论研究

Theoretical research of quasi-phase-matched all-optical wavelength conversion in linbo_3 waveguides