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A high performance backscattering set-up using multimode light channels

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Abstract

The utilization of multimode ion-exchanged waveguides to form an optical directional coupler for multimode fibre backscattering measurements is discussed. The optical properties of the integrated branching element are described in detail. A very high directivity of 70 dB was obtained with this new device. The dynamic range in the backscattering measurement was 23 dB fibre one-way loss.

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Author notes

  1. J. Kurki

    Present address: Nokia Cable Machinery, PO Box 419, Helsinki, Finland

Authors and Affiliations

  1. Semiconductor Laboratory, Technical Research Centre of Finland, Otakaari 5 A, SF-02150, Espoo 15, Finland

    J. Kurki & J. Viljanen

Authors
  1. J. Kurki
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  2. J. Viljanen
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Kurki, J., Viljanen, J. A high performance backscattering set-up using multimode light channels. Opt Quant Electron 15, 471–475 (1983). https://doi.org/10.1007/BF00620015

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  • DOI: https://doi.org/10.1007/BF00620015

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