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Theoretical Study on Dospersion of Single Mode Infra-Red Optical Fiber with Step Refraction Profile
Author(s): 
Pages: 1-3
Year: Issue:  6
Journal: YINSHAN ACADEMIC JOURNAL

Keyword:  光纤色散损耗超长波段;
Abstract: 本文从理论上研究了阶跃型折射率分布氟玻璃圆光纤的色散特性.通过大量计算,找到了几种最佳结构,这些结构可把零色散波长推展到2~5μm之间,而已经证明,氟玻璃光纤在2~5μm的损耗降低到0.001~0.1dB/km,从而达到了零色散波长和最低级限损耗波长相匹配的目的.同时,比较了各种ZrF4系红外材料的色散曲线,得出了零色散和阶跃型折射率分布氟玻璃单模光纤的光谱范围,并且得到了在三个波长处总色散为零的结论.
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