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Proceedings Paper

Microstructure optical fibres for detection of gaseous analytes
Author(s): T. Martan; J. Aubrecht; O. Podrazký; I. Kašík; V. Matějec; J. Kaňka
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Paper Abstract

This paper deals with a steering-wheel microstructure optical fibre designed prepared and tested for detection of gaseous analytes. The inner structure of the steering-wheel microstructure fibre consists of a thin silica core that is surrounded by three cladding holes. Numerical simulations showed that the evanescent wave of the guided fundamental mode at a wavelength of 1550 nm penetrates into the cladding holes. The calculated overlap of the evanescent wave of guided mode with the cladding holes of 0.78% can suitably be employed for gaseous analytes detection. The prepared steeringwheel microstructure fibre was experimentally tested for detection of toluene vapors flowing in the cladding holes of the fibre. It has been proved that this type of microstructure fibre can be used for detection of gaseous analytes such as toluene in nitrogen or in air in concentrations of about 0.1 mol.%.

Paper Details

Date Published: 9 May 2011
PDF: 6 pages
Proc. SPIE 8073, Optical Sensors 2011; and Photonic Crystal Fibers V, 80731O (9 May 2011); doi: 10.1117/12.886957
Show Author Affiliations
T. Martan, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
J. Aubrecht, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
O. Podrazký, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
I. Kašík, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
V. Matějec, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)
J. Kaňka, Institute of Photonics and Electronics of the ASCR, v.v.i. (Czech Republic)


Published in SPIE Proceedings Vol. 8073:
Optical Sensors 2011; and Photonic Crystal Fibers V
Kyriacos Kalli; Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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