发明名称 |
Optical fiber |
摘要 |
In an optical fiber including a core region and a cladding region surrounding said core region in a cross section and having a cross-sectional structure in which a plurality of regions constituted by sub mediums are arranged in main mediums, at least one of refractive indices of the main mediums and the sub mediums are changed in a radial direction.
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申请公布号 |
US6718105(B2) |
申请公布日期 |
2004.04.06 |
申请号 |
US20010790986 |
申请日期 |
2001.02.23 |
申请人 |
SUMITOMO ELECTRIC INDUSTRIES, LTD. |
发明人 |
HASEGAWA TAKEMI;SASAOKA EISUKE;NISHIMURA MASAYUKI |
分类号 |
G02B6/02;(IPC1-7):G02B6/02 |
主分类号 |
G02B6/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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