Along with low optical fibers and high performance laser ' s development , optical fiber communication system and optical fiber passes system both need to be made a certain shape to produce various grow intervocalic oarts of apparatuses 随着低损耗光纤和高性能激光器的发展，光纤通信系统和光纤传感系统都需要把光纤弯曲成一定形状制作各种光纤元器件。
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