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本文阐述应力型保偏光纤应力测量的原理和方法，即所谓光测弹性ＣＴ技术。简单介绍基于光测弹性ＣＴ技术研制成的应力自动测量装置，以及用这种装置对一种Ｂｏｗ—Ｔｉｅ保偏光纤的测量结果。
This paper describes the stress-type polarization-maintaining fiber stress measurement principle and method, the so-called optical measurement of elastic CT technology. Briefly introduce the automatic stress measurement device based on the photo-elastic CT technology and the measurement results of a Bow-Tie polarization-maintaining fiber with this device.