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介绍了使用双光束干涉法测量变折射率光纤设备的原理及实验结果。并对此方法进行了误差分析,对实际的设备制造提出了精度要求。
The principle and experimental results of using dual-beam interferometry to measure variable-index optical fiber equipment are introduced. And the error analysis of this method, the actual equipment manufacturing put forward the accuracy requirements.