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中文摘要：
自主研制了大长度光纤轴向研磨厚度精确控制装置和电弧放电光纤研磨截面高精度抛光装置。研磨精度达0.01μm,研磨长度可大于100 mm,且能实现多光纤同时轴向研磨。利用该装置可精确控制保偏光纤光栅（PMFFBG）侧面研磨厚度,从而实现大长度高精度双折射可控保偏光纤光栅的制作,保偏光纤光栅两个反射峰的间距可以通过研磨量精确控制。实验表明,研磨保偏光纤的一侧外包层半径由125μm到65μm,保偏光纤光栅两个反射峰的间距由0.34 nm改变为0.208 nm。
英文摘要：
An optical fiber long length side-grinding device with controllable and high precision grinding thickness, and a setup for high-precision polishing of the optical fiber section by using an arc discharge method are self-made. The grinding precision is 0.01μm,the grinding length can be longer than 100 mm,and multi-fibers can be grinded at the same time.By using the devices,the side grinding thickness of the polarization-maintaining fiber Bragg grating （PMF-FBG） can be controlled,and long length,high precision controllable PMF-FBG can be fabricated.The span of the two wavelengths of the PMF-FBG can be controlled accurately.The experiment results show that when the radius of the grinding side of the PMF-FBG changed from 125μm to 65μm,the wavelength span of the PMF-FBG changed from 0.34 nm to 0.208 nm.
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