This paper presents an optical fiber positioning unit for LAMOST.
介绍LAMOST光纤定位单元定位精度检测装置的工作原理及结构。
Testing results demonstrate that this new double revolving optical fiber positioning unit device well satisfies the requirements of LAMOST.
测试结果表明，该单元装置完全能满足LAMOST的需要。
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.
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。
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