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Large mode area multi-mode hybrid optical fiber and apparatus using the same
Large mode area multi-mode hybrid optical fiber and apparatus using the same
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机译:大模面积多模混合光纤及使用该光纤的装置
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摘要
PROBLEM TO BE SOLVED: To provide large-mode-area, multimode, hybrid optical fibers and devices using the same.;SOLUTION: A large mode area optical fiber is configured to support multiple transverse modes of signal radiation within its core area. The fiber is a hybrid design that includes at least two axial segments having different characteristics. In a first axial segment the transverse refractive index profile inside the core is not radially uniform, being characterized by a radial dip in refractive index. The first segment supports more than one transverse mode. In a second axial segment, the transverse refractive index profile inside the core is more uniform than that of the first segment. The two segments are adiabatically coupled to one another. Illustratively, the second segment is a terminal portion of the fiber which facilitates coupling to other components.;COPYRIGHT: (C)2008,JPO&INPIT
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