发明名称 OPTICAL FIBER FOR TRANSMITTING SINGLE MODE
摘要 PURPOSE:To enlarge the diameter of a core and provide advantageous connection and bending by arranging a distribution curve of refractive index in section in such a way that it project in the direction where the refractive index is small in a certain range within an active zone.
申请公布号 JPS5252650(A) 申请公布日期 1977.04.27
申请号 JP19750128738 申请日期 1975.10.25
申请人 SUMITOMO DENKI KOGYO KK;NIPPON DENSHIN DENWA KOSHA 发明人 HOSHIKAWA MASAO;HATSUTORI YASUJI
分类号 G02B6/028;G02B6/036;H01P3/00 主分类号 G02B6/028
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