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High-extinction-ratio low-loss tightly bent PANDA fibre

High-extinction-ratio low-loss tightly bent PANDA fibre

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  • Author(s): N. Healy 1 ; D.F. Murphy 2 ; A.M. Clohessy 3 ; C.D. Hussey 3
    • View affiliations
    • Affiliations: 1: Optoelectronics Research Centre, University of Southampton, Southampton, United Kingdom
      2: Optics Research Group, Department of Computing, Maths & Physics, Waterford Institute of Technology, Waterford, Republic of Ireland
      3: Lightwave Technology Research Centre, Department of Materials Science and Technology, University of Limerick, Limerick, Republic of Ireland
  • Source: Volume 45, Issue 8, 9 April 2009, p. 397 – 398
    DOI:  10.1049/el.2009.3228 , Print ISSN 0013-5194, Online ISSN 1350-911X
© The Institution of Engineering and Technology
Published

The realisation of tightly bent PANDA polarisation maintaining fibre with minimal reduction of extinction ratio and throughput power is described for the miniaturisation of polarisation maintaining fibre circuits. After mechanically side-polishing the bare PANDA fibre, bend diameters as small as 1 mm have been achieved that preserve the fibre's extinction ratio (>35 dB) with minimal loss (<0.1 dB).

Inspec keywords: polishing; optical fibre polarisation; extinction coefficients; optical fibre losses

Other keywords: bend diameters; minimal loss; mechanical side polishing; polarisation maintaining fibre; low-loss tightly bent PANDA fibre; high extinction ratio fibre

Subjects: Fibre optics; Other fibre optical properties; Optical propagation, dispersion and attenuation in fibres

References

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      • Chien, C.K., Clark, D.A., Glaesemann, G.S.: `Coating failure of bent fiber under high power laser', Proc. Int. Wire and Cable Symp., 2005, p. 373–379.
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      • J.D. Love , W.M. Henry , W.J. Stewart , R.J. Black , S. Lacroix , F. Gonthier . Tapered single-mode fibres and devices, Part 1: Adiabaticity criteria. IEE Proc. J. Optoelectron. , 5 , 343 - 354
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