部分相干光束,partially coherent beams
1)partially coherent beams部分相干光束
1.Recently,the modal decomposition、characterization and propagation ofpartially coherent beams are topics of considerable interest.近年来,部分相干光束引起了人们极大的研究兴趣,部分相干光源也可产生与激光一样的远场光强分布,而其光强均匀度优于完全相干的激光光束。
2.Recently, the characterization and propagation ofpartially coherent beams are topics of considerable interest.近年来，部分相干光束引起了人们极大的研究兴趣，部分相干光源也可产生与激光一样的远场光强分布，而其光强均匀度优于完全相干的激光光束。
英文短句/例句
1.The Propagation of Partially Coherent Beams Passing Through the Complex Optical System;部分相干光束通过复杂光学系统的传输
2.The propagation properties of J_0-correlated partially coherent beams in the slant atmosphere斜程大气中聚焦J_0相关部分相干光束的传输特性
3.Beam Combination Characteristics of Partially Coherent Beams部分相干光光束并合的光束传输变换特性
4.The Spectral Degree of Cross-polarization of Stochastic Electromagnetic Beams部分相干电磁光束的光谱交叉偏振度
5.Transmission and Spatial Correlation Properties of Focused Partially Coherent Vortex Beams聚焦部分相干涡旋光束的传输和相干特性
6.Influence of Turbulence on Spatial Correlation Properties of Partially Coherent Annular Beams湍流对部分相干环状光束空间相干性的影响
7.The Researches on the Characters and the Applications of the Partially Coherent and Partially Polarized Light;部分相干部分偏振光束的特性和应用研究
8.Propergation of Partially Polarized,Partially Coherent Gaussian-Schell Model Electromagnetic Beams Through an Aperture Lens部分相干部分偏振电磁束通过光阑透镜的传输
9.Partial Coherent Pulse of The Gaussian Beam in the Far Field of Abnormal Behavior Spectrum部分相干脉冲高斯光束在远场的光谱异常行为
10.Study on the Focusing Properties of Beams and the Spreading of Partially Coherent Beams Propagating Through Turbulent Atmosphere;光束的聚焦特性和部分相干光通过湍流大气传输光束扩展的研究
11.Coherent and incoherent additions of nonparaxial partially coherent Hermite-Gaussian beams非傍轴部分相干厄米-高斯光束的相干和非相干合成
12.The intensity distributions of focused partially coherent dark hollow beams in turbulent atmosphere湍流大气中部分相干空心聚焦束的光强分布
13.Influence of Atmospheric Turbulence on the Propagation of Partially Coherent Electromagnetic Flat-topped Beams大气湍流对部分相干电磁平顶光束传输的影响
14.Propagation properties for partially coherent flattened-Gaussian nonparaxial beams非傍轴部分相干平顶高斯光束的传输性质
15.Spectrum Properties of Partially Coherent Modified Bessel-Gauss Beams Passing Through an Aperture Lens部分相干修正贝塞尔高斯光束通过光阑透镜的光谱特性
16.Spectrum Properties of Partially Coherent Gaussian-Schell Model Beam in Anomalously Dispersive Media;部分相干高斯—谢尔模光束在负色散介质中的光谱特性
17.Propagation Properties of Partially Coherent Flat-topped Beam Passing through Astigmatic Lens;部分相干平顶光束经过双焦距薄透镜的传输特性研究
18.Directionality of Partially Coherent Hermite-Gaussian Array Beams Propagating in Atmospheric Turbulence部分相干厄米-高斯列阵光束通过湍流大气传输的方向性
相关短句/例句
partially coherent beam部分相干光束
3)partially coherent light beam部分相干光束
1.Spectral changes ofpartially coherent light beam diffracted by a knife-edge;部分相干光束经刀边衍射产生的光谱变化
2.Study on orbital angular momentum and its spectrum ofpartially coherent light beam;采用Mercer展开法得到了轨道角动量谱,计算了给定部分相干光束的轨道角动量谱,讨论了部分相干性对轨道角动量谱的影响。
4)partially coherent beam部分相干光光束
1.Characteristics of self-trapping ofpartially coherent beam;部分相干光光束的振荡自陷特性
5)partially coherent electromagnetic beams部分相干电磁光束
1.Based on the extended Huygens-Fresnel principle,the expression for the spectrum ofpartially coherent electromagnetic beams in turbulent atmosphere is derived and numerical calculations are performed.从推广的惠更斯-菲涅尔原理出发,推导出了部分相干电磁光束的光谱在湍流介质中传输的表达式,并以电磁高斯-谢尔模型(EGSM)光束为例,研究了湍流对电磁高斯-谢尔模型光束光谱的影响。
6)partially coherent flat-topped beams部分相干平顶光束
1.M~2-factor,mode decomposition and beam combining ofpartially coherent flat-topped beams;部分相干平顶光束的M~2因子、模分解及合成
2.By using the method of generalized Huygens-Fresnel diffraction integral,the analytical expression for the cross-spectral density ofpartially coherent flat-topped beams propagating in the gradient-index media has been derived.利用广义惠更斯-菲涅尔衍射积分方法,推导出部分相干平顶光束在梯度折射率介质中传输的交叉谱密度函数解析表达式,对部分相干平顶光束在梯度折射率介质中的传输特性进行了分析,并进一步讨论了介质梯度折射率系数、光束阶数以及光束相干性对传输特性的影响。
延伸阅读
相干散射和非相干散射再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
