About Hasegawa Takemi
About Sumitomo Electric Industries, Ltd., 1, Taya-cho, Sakae-ku, Yokohama, 244-8588 Japan
About Yamamoto Yoshinori
About Sumitomo Electric Industries, Ltd., 1, Taya-cho, Sakae-ku, Yokohama, 244-8588 Japan
About Tamura Yoshiaki
About Sumitomo Electric Industries, Ltd., 1, Taya-cho, Sakae-ku, Yokohama, 244-8588 Japan
About Hayashi Tetsuya
About Sumitomo Electric Industries, Ltd., 1, Taya-cho, Sakae-ku, Yokohama, 244-8588 Japan
About IEEE Conference Proceedings
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About silicon dioxide
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About Optical waveguide,optical fibers,and fiber optics
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