About KATO M
About NTT Access Network Systems Lab., Ibaraki-ken, JPN
About KUROKAWA K
About NTT Access Network Systems Lab., Ibaraki-ken, JPN
About MIYAJIMA Y
About NTT Access Network Systems Lab., Ibaraki-ken, JPN
About Optical Fiber Communication Conference
About optical fiber
About Telephone,data communication and exchange in general
About Optical waveguide,optical fibers,and fiber optics
About コア領域
About 曲げ特性
About ファイバー
About 設計