准单模光纤 meaning in Chinese

quasi-monomode fiber

Laser beam can be coupled to y - fiber , plastic fiber and glass fiber which with big diameters ( l - 2mm ) much easier than quasi monomode fiber whose diameter is only several microns . the former fibers can transmit much more beam illumination , but their light fields are not as even as the quasi monomode fiber ' s
分析了使用传光面直径较大的y型光纤、塑料光纤和玻璃光纤与芯径较小的准单模光纤所具有的不同特点，简要讨论了光纤的光场分布、耦合、偏振以及光纤的选择等问题。