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Proceedings Paper

Diamond-like carbon films deposited onto optical fibres and waveguides: application in chemical sensing
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Paper Abstract

The paper presents the diamond-like carbon (DLC) film as a coating for multimode optical fibre, single-mode optical fibre with long-period grating (LPG) and planar optical waveguides. Thin DLC coatings significantly change sensing elements' properties. Constructed systems can be very sensitive to concentration changes of several chemical solutions (e.g. sodium chloride, calcium chloride and ethylene glycol) due to changes of refractive index of the solutions. The influence of Radio Frequency Plasma Chemical Vapour Deposition (RF PCVD) process parameters on sensitivity is discussed. A novel integrated planar waveguide sensing system with DLC film is presented. The films were analysed morphologically and optically.

Paper Details

Date Published: 22 April 2006
PDF: 10 pages
Proc. SPIE 6189, Optical Sensing II, 61890T (22 April 2006); doi: 10.1117/12.661980
Show Author Affiliations
Mateusz Śmietana, Warsaw Univ. of Technology (Poland)
Jan Szmidt, Warsaw Univ. of Technology (Poland)
Michael L. Korwin-Pawlowski, Univ. du Quebec en Outaouais (Canada)
Wojtek J. Bock, Univ. du Quebec en Outaouais (Canada)

Published in SPIE Proceedings Vol. 6189:
Optical Sensing II
Brian Culshaw; Anna G. Mignani; Hartmut Bartelt; Leszek R. Jaroszewicz, Editor(s)

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