Design and fabrication of a metal-based asymmetric and variable Y-branch plastic optical fibre coupler

Abang Annuar Ehsan, S. Shaari, M. K. Abd Rahman

Research output: Contribution to journalArticle

Abstract

A metal-based asymmetric and variable plastic optical fibre or POF coupler utilising two-optical designs: a Y-branch structure with a novel hollow waveguide taper and an attenuation technique based on lateral displacement of two fibres has been developed. The non-symmetrical coupling ratios are obtained by attenuation due to the lateral displacement of two adjoining fibres. The device has been fabricated on a metal block using high speed CNC machining tool. The fabricated device has an excess loss of 6.3 dB while the coupling ratios are 46.27% and 53.73% when operating as a 3 dB coupler. In the asymmetric coupler mode, the coupling ratio ranges from 14.23% to 85.77% with excess loss varying from 6.3 dB to 8.33 dB. In the variable coupler mode, the device provides coupling ratios of 17.32% to 82.68% and excess loss varying from 6.71 dB to 9.72 dB.

Original languageEnglish
Pages (from-to)18-24
Number of pages7
JournalInternational Journal of Materials and Product Technology
Volume49
Issue number1
DOIs
Publication statusPublished - 2014

Fingerprint

Plastic optical fibers
Fabrication
Metals
Optical design
Fibers
Machining
Waveguides

Keywords

  • Asymmetric
  • Coupler
  • Plastic optical fibre
  • POF
  • Variable
  • Waveguide
  • Y-branch

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Safety, Risk, Reliability and Quality

Cite this

Design and fabrication of a metal-based asymmetric and variable Y-branch plastic optical fibre coupler. / Ehsan, Abang Annuar; Shaari, S.; Abd Rahman, M. K.

In: International Journal of Materials and Product Technology, Vol. 49, No. 1, 2014, p. 18-24.

Research output: Contribution to journalArticle

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