介绍了快速调出白光条纹的方法，分析了为什么白光干涉条纹的中央条纹有的是暗条纹，而有的却是亮条纹。
The text writes about the methods of quick adjusting the fringes of white beams and analyses the reason why some of the fringes of white beams in center are light fringes and some are dark fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
分析了白光干涉仪的原理、结构以及干涉条纹特点，进行了保偏光纤环的扫描测量。
The quality of the first polarization maintaining fiber ring is much better than the quality of other fiber rings through the scanning test using the measurement system.
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