Opening up optical fibres | Zendy

Felicity Cox | Zendy; Richard Lwin | Zendy; Maryanne C. J. Large | Zendy; Cristiano M. B. Cordeiro | Zendy

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Opening up optical fibres

Author(s) -

Felicity Cox,

Richard Lwin,

Maryanne C. J. Large,

Cristiano M. B. Cordeiro

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.011843

Subject(s) - cladding (metalworking) , materials science , optical fiber , bromothymol blue , optics , hard clad silica optical fiber , subwavelength diameter optical fibre , fabrication , microstructured optical fiber , core (optical fiber) , evanescent wave , optoelectronics , fiber optic sensor , plastic optical fiber , composite material , medicine , chemistry , physics , alternative medicine , chromatography , pathology

A unique optical fibre design is presented in this work: a laterally accessible microstructured optical fibre, in which one of the cladding holes is open to the surrounding environment and the waveguide core exposed over long lengths of fibre. Such a fibre offers the opportunity of real-time chemical sensing and biosensing not previously possible with conventional microstructured optical fibres, as well as the ability to functionalize the core of the fibre without interference from the cladding. The fabrication of such a fibre using PMMA is presented, as well as experimental results demonstrating the use of the fibre as a evanescent wave absorption spectroscopy pH sensor using the indicator Bromothymol Blue.

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