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vector beams
相关语句
  矢量光束
     Propagation Characteristics of Anisotropic Incoherent Vector Beams
     各向异性的非相干矢量光束的传播特性
短句来源
     Influence of hard-edge aperture on the spectral switch of polychromatic vector beams
     硬边光阑对多色矢量光束光谱开关的影响
短句来源
     The Theoretical Analyses of Spatially Incoherent Solitons & the Propagation Characteristics of Incoherent Vector Beams
     非相干空间光孤子的理论研究及非相干矢量光束的传播演化特性
短句来源
  相似匹配句对
     Propagation Characteristics of Anisotropic Incoherent Vector Beams
     各向异性的非相干矢量光束的传播特性
短句来源
     AREA-VECTOR METHOD CALCULATJJNG THE DISPLACEMENTS OF BEAMS AND FRAMES
     面积向量法计算梁及刚架的位移
短句来源
     coli vector.
     coli质粒上进行序列分析。
短句来源
     INTELLIGENT VECTOR
     智能向量
短句来源
     BENDING OF SANDWICH BEAMS
     三合板梁弯曲问题
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  vector beams
Brown, Focusing of high numerical aperture cylindrical vector beams, Opt.
      


Abstract A complex refractive index finite difference vector beam propagation method(CRI-FDVBPM)for the simulation of the waveguide devices with loss and gain, such asmetal clad waveguides(MCWG) and superluminescent light emitting diode(SLD)is developed. The gain and loss of the devices are discribed by the image part of complex refractive index. For examples,by using the CRI-FDVBPM,the light propagation characteristicsin SLD is studied.

束传播方法广泛的应用于无源波导器件的模拟与设计.为了能够模拟有源器件,例如金属包层波导和超辐射发光二极管(SLD),我们将复折射率引入其中,器件的增益和吸收通过折射率的虚部来描述.用复折射率的有限差分矢量束传播方法,我们对1.3μm直条形吸收区SLD进行了模拟与设计,并且给出一种新结构.

The change law of light transmission was investigated by means of the analysis of light transmission based on the theory of electromagnetic field and the theory of geometry-optics. In the hollow optical fiber, there are two interfaces, one is the interface between coating and core, the other is the interface between core and hollow. The meridian and the arc-vector beam (less than the minimal radius) cannot be transmitted in the interface between core and hollow. The relation between the light transmission...

The change law of light transmission was investigated by means of the analysis of light transmission based on the theory of electromagnetic field and the theory of geometry-optics. In the hollow optical fiber, there are two interfaces, one is the interface between coating and core, the other is the interface between core and hollow. The meridian and the arc-vector beam (less than the minimal radius) cannot be transmitted in the interface between core and hollow. The relation between the light transmission and the refractive index of coating, core and hollow can be expressed by the formula established by the author (16). Based on the above conclusions, the experimental data were analyzed. The raw of the rise of index of refraction and output power was explained by formula (16).

为了探讨光功率在空心光纤中传输的变化规律,采用电磁场和几何光学理论的分析方法,并结合空心光纤特有的传光机理,得出了子午光线和小于最小半径的弧矢光线无法在纤芯与空心处正常传播的推论。并导出了空心光纤的传输损耗与空心、纤芯和包层折射率之间的关系。最后,运用上述结论对一系列的实验作了深入的分析,并用笔者建立的传输损耗公式(16)解释了树脂固化时,折射率上升与光纤输出光功率增强的变化规律等。

The propagation characteristics of anisotropic incoherent electromagnetic vector beams in free space are investigated by using Poynting vector method. The energy distribution in the beam cross-section is analyzed, and the condition under which the energy peak happens to be on the center of the azimuthally polarized beams is obtained. Also the influence of incoherence on dipolar beams is studied. There are two sidelobes beside the energy peak of beams, whose location move in...

The propagation characteristics of anisotropic incoherent electromagnetic vector beams in free space are investigated by using Poynting vector method. The energy distribution in the beam cross-section is analyzed, and the condition under which the energy peak happens to be on the center of the azimuthally polarized beams is obtained. Also the influence of incoherence on dipolar beams is studied. There are two sidelobes beside the energy peak of beams, whose location move in the propagation. And the movements of the sidelobes are different to different incoherence. Finially,It is found that there are three different types of evolution of the beam profile during the propagation.

利用坡印亭矢量 ,研究了相干性为各向异性的非相干矢量光束在自由空间的传输特性 ,得到了光束横截面上能量分布及演化 ,导出了角偏振光束中心出现能量峰值的条件 ,详细分析了相干性对偶极子光束能量旁瓣的影响 ,并发现各向异性的偶极子光束具有三种不同的演化形式 ,得到了具体判据

 
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