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(2) 立田光廣, 加藤康之，青海恵之，内田直也,
「 単一モード光ファイバパラメータの設計法」,
電子通信学会論文誌 J65-B巻,No. 3, pp. 324-331,1982.

(3) M. Tateda, T. Horiguchi, T. Kurashima, K. Ishihara,
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optical fibers using Brillouin spectroscopy",
Optical Fiber Communication Conference Tech. Digest, PD-15, 1990.