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A method for observing fringe movement in a fibre interferometer

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Abstract

This paper presents an accurate method for observing fringe movement in a Mach-Zehnder type fibre interferometer. We place a photodetector in each of two interference patterns formed by a half-mirror and waves emitted from single-mode fibres. By applying the output voltages of the detectors to X- and Y-terminals of an oscilloscope, we can observe the fringe movement as a rotation of a bright spot along a Lissajous figure.

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Authors and Affiliations

  1. Institute of Materials Science, University of Tsukuba, Sakura-mura, 305, Ibaraki, Japan

    S. Nemoto

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  1. S. Nemoto
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Nemoto, S. A method for observing fringe movement in a fibre interferometer. Opt Quant Electron 16, 165–171 (1984). https://doi.org/10.1007/BF00620134

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  • DOI: https://doi.org/10.1007/BF00620134

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