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实用新型
CN200968995Y 色散平坦光子晶体光纤 失效 - 权利终止

色散平坦光子晶体光纤
摘要：
一种色散平坦光子晶体光纤，包括纤芯和包层，所述包层设置在纤芯外围区域，所述纤芯由缺失一个空气孔的中心区域构成；所述包层由空气孔在背景材料中周期性排列构成，所述包层包括有内包层和外包层，所述构成内包层的空气孔为呈正六边形排列的空气孔。本实用新型采用不同大小的空气孔形成内外包层，实现了在宽波长范围内的平坦色散。
摘要（英）：

The utility model relates to a dispersion flattened photonic crystal fiber which is made up of a fiber core and a coating. The cladding wraps the fiber core which comprises a central area lacking of a ventage. The cladding is made by period array of background material in the ventages, and the cladding is composed of an inner cladding and an outer cladding. The ventages which form the inner cladding are arrayed in regular hexagon shape. The uti8lity model utilizes the inner cladding and the outer cladding with different size in order to achieve flattened dispersion in wide wavelength range.

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