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Proceedings Paper

Fiber Bragg grating optochemical sensor basing on evanescent-field interaction with surface plasmon waves
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Paper Abstract

Fiber Bragg grating sensors in side-polished optical fiber are sensitive to an external analyte by evanescent field interaction. Deposition of sensor-specific transducer layers can advance such fiber Bragg grating refractometer to the optochemical monitoring of specific substances: absorbed gases, vapors, and adsorbed biomolecules as well. Refractive index range of highest sensitivity can be adjusted to the analyte medium of interest by proper construction of the multilayer waveguide. A specific application example aims at hydrogen detection using a palladium thin film transducer.

Paper Details

Date Published: 7 April 2009
PDF: 8 pages
Proc. SPIE 7293, Smart Sensor Phenomena, Technology, Networks, and Systems 2009, 72930A (7 April 2009); doi: 10.1117/12.816356
Show Author Affiliations
Wolfgang Ecke, IPHT Jena (Germany)
Kerstin Schroeder, IPHT Jena (Germany)


Published in SPIE Proceedings Vol. 7293:
Smart Sensor Phenomena, Technology, Networks, and Systems 2009
Norbert G. Meyendorf; Kara J. Peters; Wolfgang Ecke, Editor(s)

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