In this paper we study the structure of panda fibers how to effect the birefringence (beatlength) by an infinitesimal element method.
本文用微元算法研究了熊猫光纤的结构参量对熊猫光纤双折射特性(拍长)的影响。
2
In this paper, we describe the basic principle of polarization maintaining optical fiber and the method to measure the beatlength of PM optical fiber.
本文叙述了保偏光纤能够保证传输光波偏振特性的基本原理，介绍了测量保偏光纤拍长的基本方法。
3
One of the most important parameters about high birefringence fibers is the beatlength. Because of its shortness and periodicity, measuring beatlength is a critical one.