高双折射光纤的一个重要参数是拍长，由于拍长很短和周期性变化，如何实现准确测量是十分困难的。
One of the most important parameters about high birefringence fibers is the beat length. Because of its shortness and periodicity, measuring beat length is a critical one.
测量了拉制成的有孔光纤的数值孔径和归一化频率等传输参数，并基于有效折射率方法与理论值进行了比较。
Transmission parameters such as numerical aperture and normalized frequency of the fabricated holey fibers have been measured and compared with theoretical values based on effective index method.
光功率测量是光纤通信系统最基本的测试参数之一。
Optical power measurement is one of the basic testing parameters of fiber-optic communication system.
从理论和实验两方面研究了用光纤测量高速转动体参数的光耦合特性。
Optical coupling characteristic of using optical fiber measurement high speed turn object parameter from the theory and experiment both aspects is studied.
本文叙述了单模光纤等效阶跃折射率(esi)参数测量的一种简便方法及其原理。
A simple method for measuring equivalent step index (ESI) parameters of the single mode fiber is presented.
本文利用近场图像法对光纤几何参数进行自动测量。
In this text the method of near field image is used to measure the geometric parameter of optical fibre automatically.
对冲击波参数的测量开发了两种光纤探针，以满足强电磁环境和冲击压力较低的情况。
Two types of fiber-optic pin have been developed for measuring shock wave physics characters in strong electromagnetic environment and low shock pressure experiments.
介绍了作者在测量单纵模激光器线宽参数的过程中，研制的马赫-曾德尔光纤干涉仪，并给出了实验结果。
This paper introduces the development of fiber-optic Mach-Zehnder interferometer during measuring linewidth parameter of single-frequency lasers, and the experiment result has been given.
通过把光学信息理论应用于微弯光纤传感器，用信息量评估测量性能，提出了一种优化系统性能和参数设计的光学信息理论。
The idea based on optics-information theory is applied to study the micro-bend fiber sensor, the concept of information capacity ACTS as the evaluation of the sensing performance.
这是在考虑到国内外现有的光纤几何参数测量方法的缺陷，针对空芯光纤的特殊问题而提出的。
It is proposed especially for the hollow-core optical fibers, considering the defect of the present measurement techniques.
介绍了组成掺铒光纤放大器各组件的特性测量方法，重点介绍了测量掺铒光纤（EDF）参数的方法和实验装置；
The methods and the experimental setups for measuring the gain and noise figure of an EDFA are emphasized.
本文提出了采用图像处理方式进行空芯光纤几何参数测量的方法。
The paper presents a method of geometric measurement of hollow-core optical fiber using the image processing techniques.
本文提出了采用图像处理方式进行空芯光纤几何参数测量的方法。
The paper presents a method of geometric measurement of hollow-core optical fiber using the image processing techniques.
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