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Investigation of various transmission properties and launching techniques of plastic optical fibres suitable for transmission of high optical powers

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Abstract

The significant parameters for plastic fibres with various core/cladding combinations are given: refractive index, numerical aperture, critical angle of total internal reflection at the core/cladding interface and maximum angle of aperture. The output power of a plastic fibre (PS/PMMA) was measured as a function of the angle of incidence. The results are interpreted using the ray optical fibre transmission model.

Various launch-loss-reducing optical end-face working procedures are compared. We also investigated a method to avoid Fresnel reflection losses by a Brewster angled fibre input end-face for a linearly polarized light beam.

The transverse and longitudinal intensity distribution of the output beam of a PS/PMMA fibre was measured. We conclude that a single large core clad plastic fibre is a promising alternative to a multi-glass fibre bundle for some applications.

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Authors and Affiliations

  1. Department of Engineering, (Institut fuer Hochfrequenztechnik), University of Erlangen-Nürnberg, Germany

    H. -D. Reidenbach & F. Bodem

Authors
  1. H. -D. Reidenbach
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  2. F. Bodem
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Reidenbach, H.D., Bodem, F. Investigation of various transmission properties and launching techniques of plastic optical fibres suitable for transmission of high optical powers. Opt Quant Electron 7, 355–360 (1975). https://doi.org/10.1007/BF00619833

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  • DOI: https://doi.org/10.1007/BF00619833

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