模间色散

光缆在高强度电磁脉冲（EMP）的作用下，会引起光纤传输特性的变化，导致模间色散增加和信号失真。

The change of the propagation characteristics in a fiber , affected by high intensity EM field , leads to the increase of intermodal dispersion and causes the signal distortion .

本文结合微扰论，利用射线解法计算了自聚焦光纤的模间色散，结果与基于电磁场理论的WKB法的结果完全一致。

The intermodal dispersion for gradient-index fiber is calculated by using ray theory combined with perturbation method .

多模光纤链的模间色散与光均衡

Intermodal Dispersion and Optical Equalization in Multimode Optical Fiber Links

自聚焦光纤模间色散的射线解法

Ray Theory of Intermodal Dispersion for Gradient-index Fiber

光程、费马原理和光纤的模式色散多模光纤链的模间色散与光均衡

OPTICAL PATH , FERMAT 'S PRINCIPLE AND INTERMODAL DISPERSION Intermodal Dispersion and Optical Equalization in Multimode Optical Fiber Links

在多模光纤中，可以通过选择特定模式以抑制模间色散。

Multimode dispersion is the main obstacle for high bandwidth in multimode optical fiber ( MMF ) communication system .

主要讨论了线性耦合系数、模间色散系数、脉冲的输入功率和拉曼散射项参数的改变所引起的脉冲的传输波形的变化，分析了形成原因，研究了上述各项对脉冲传输的重要性。

Focused on the linear coupling coefficient between mode dispersion coefficient , the input pulse power and Raman scattering parameters caused by changes in the transmission of pulse waveform changes , analyze the causes , of the above on impulse transmission importance .

将该仪器开发成了一台能同时测量保偏光纤偏振耦合、拍长、偏振消光比、模间色度色散差和纳米级位移的多功能测试仪。

In all , this instrument can measure polarization mode coupling , beat length , polarization excitation ratio , intermodal chromatic dispersion difference in PMFs and nano-displacement .

提出了一种白光频域干涉保偏光纤模间色度色散差的测量方法，能为保偏光纤偏振耦合测量和基于保偏光纤模间干涉原理的光纤传感器提供数值色散补偿的准确数据。

Based on this theory modal , a new spectral-domain intermodal chromatic dispersion difference measurement method have been proposed . The results obtained by this method can provide usefull data for numerical dispersion compensation in polarization mode coupling measurement and polarization-maintaining fibers sensors based on intermodal interference .

研究了手征参数对不同椭圆比下基模的色散曲线、双折射、模间色散等特性的影响由于应力的各向异性和纤芯的非理想圆将会引起极化色散。

For different aspect ratios of the elliptical core , effects of chirality parameter on the characteristics such as dispersion curves , birefringence and modal dispersion of the fundamental modes in the elliptical core chiral optical fiber are discussed .