光ファイバリング干渉計の干渉特性解析

概要

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An all-single-mode-fiber ring interferometer has been constructed using a single strand of fiber and a directional coupler. The ring interferometer is highly sensitive and its finesse can be varied with a value of the coping coefficient of the directional coupler used. In this paper, we derived the formulae describing the interferometric field intensity at the output of a ring interferometer by calculating every field amplitude emerged at the output port which travels through one of optical paths in a ring interferometer. The formulae can be applied to the response of the ring interferometer illuminated by a source with arbitrary coherence length. A formula of the dynamic response of a ring interferometer is also given.
岡山理科大学の論文