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Photonic crystal fiber, light controller, projector, and method of manufacturing photonic crystal fiber
Photonic crystal fiber, light controller, projector, and method of manufacturing photonic crystal fiber
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机译：光子晶体光纤，光控制器，投影仪以及制造光子晶体光纤的方法
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摘要
A photonic crystal fiber has a configuration in which a multiplicity of voids are arranged along the longitudinal direction of the fiber and with a regular sectional structure, a terminal end portion of the fiber is fusion bond sealed with a fusing material composed of a glass lower than a light propagation medium of the fiber in softening temperature, and the terminal end portion is connected to a ferrule with the fusing material. With this configuration, it is possible to obviate the lowerings in optical characteristics such as a large refractive index difference between the light propagation medium and the voids, a high light transmission efficiency, a high numerical aperture, etc., and to obviate such problems as the penetration of foreign matter into the inside of the voids, a burning failure arising from a positional staggering of the ferrule, etc.
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