"三田地成幸,柴田修一,安 光保,高橋志郎","多成分大開口数光ファイバの作製",,"日本電信電話公社 研究実用化報告",,"Vol. 27","No. 11","pp. 2383-2394",1987, "Shiro Takahashi,SHUICHI SHIBATA,Mituho Yasu","Preparation of Low Loss Multi-Component Glass Fibers",,"Rev. Elect. Commun. Labs.",,"Vol. 27","No. 1-2","pp. 123-129",1979, "Shiro Takahashi,S. Shibata,Mituho Yasu","Low Loss and Low OH Content Soda-Lime-Silica Glass Fibre",,"Electron. Lett.",,"Vol. 14","No. 5","pp. 151-152",1978, "高橋志郎,柴田修一,安光保","低損失多成分光ファイバの作製",,"日本電信電話公社 研究実用化報告",,"Vol. 27","No. 4","pp. 805-812",1978, "Shiro Takahashi,Seiko Mitachi,S. Shibata,Mituho Yasu","Multicomponent Glass Fibres with High Numerical Aperture",,"Electron. Lett.",,"Vol. 14","No. 9","pp. 280-281",1978, "柴田修一,高橋志郎,三田地成幸,安光保","多成分光ファイバの耐候性","電子通信学会総合全国大会","電子通信学会",,,"No. 942","pp. 4-199",1978, "高橋志郎,柴田修一,安光保","低損失光ファイバの連続製造","化学会第35秋季年会","日本化学会",,,,"pp. 203",1976,