Fabrication of 1×2 asymmetric plastic optical fiber coupler for portable optical access-card system

Abang Annuar Ehsan, Sahbudin Shaari, Mohd Kamil Abd Rahman

Research output: Contribution to journalArticle

Abstract

An optical code generating device using plastic optical fiber (POF) coupler for a portable optical access card system is presented. The code generating device has been constructed using asymmetric hollow POF coupler design. The device provides a unique series of output light intensities which are successively used as an optical code. Ray tracing models of various coupler designs showed a linear relationship between the tap-off ratio (TOFR) and the waveguide tap width. The asymmetric POF coupler has been fabricated on metal-based materials using machining technique. The results for the simulated and fabricated metal-based 1×2 asymmetric couplers show the same linear characteristics between the TOFR and the tap width. The simulated devices show a TOFR variation from 18.6 to 49.9% whereas the TOFR for the fabricated metal-based devices varies from 10.7 to 47.7%, for a tap width of 500 mm to 1 mm. The insertion loss for the 1×2 asymmetric coupler at the tap line varies from 12.7 to 21.2 dB whereas for the bus line, the average insertion loss is about 12 dB.

Original languageEnglish
Pages (from-to)86-92
Number of pages7
JournalOptical Review
Volume18
Issue number1
DOIs
Publication statusPublished - Jan 2011

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plastic fibers
taps
cards
couplers
optical fibers
fabrication
insertion loss
metals
ray tracing
machining
luminous intensity
hollow
waveguides
output

Keywords

  • Access-card
  • Asymmetric
  • Coupler
  • Mold insert
  • Plastic optical fiber
  • POF
  • Tap-off ratio

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Fabrication of 1×2 asymmetric plastic optical fiber coupler for portable optical access-card system. / Ehsan, Abang Annuar; Shaari, Sahbudin; Rahman, Mohd Kamil Abd.

In: Optical Review, Vol. 18, No. 1, 01.2011, p. 86-92.

Research output: Contribution to journalArticle

Ehsan, Abang Annuar ; Shaari, Sahbudin ; Rahman, Mohd Kamil Abd. / Fabrication of 1×2 asymmetric plastic optical fiber coupler for portable optical access-card system. In: Optical Review. 2011 ; Vol. 18, No. 1. pp. 86-92.
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