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日本平河电线公司研制成用一种以液晶聚合物(全芳香族系液晶高分子)作包覆材料的光纤。这种以液晶高分子包覆的光缆,线膨胀系数小,特别是在低温区的光传输效率高。热变形温度,尼龙为60℃,而此种光缆则高达
Japan’s Pinghe wire company developed using a liquid crystal polymer (all aromatic liquid crystal polymer) as the cladding material of optical fiber. The optical fiber cable covered by the liquid crystal polymer has low linear expansion coefficient and high light transmission efficiency especially in the low temperature region. Heat distortion temperature, nylon is 60 ℃, but this kind of optical cable is as high as