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Proceedings Paper

Plasmon resonance based in-line fiber optic sensing
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Paper Abstract

In optical fiber evanescent wave sensors, the interaction with the surrounding environment is usually obtained by tapering an optical fiber, which significantly weakens the structure. This paper describes different processes for developing optical fiber probes with gold nanoparticles on the fiber tip including focused ion beam lithography and annealing of continuous gold films by employing plasma arcs, high temperature, or a focused ion beam. Along with the tip based sensors, robust in-line optical fiber sensors were developed by fusing multimode fibers to coreless fibers and forming nanoparticles on the surface of the coreless fibers. The fiber-optic sensors were placed in mediums of different refractive indices to evaluate their chemical sensing capability.

Paper Details

Date Published: 2 February 2007
PDF: 11 pages
Proc. SPIE 6479, Quantum Sensing and Nanophotonic Devices IV, 64790N (2 February 2007); doi: 10.1117/12.693028
Show Author Affiliations
M. D. Gerhold, Army Research Office (United States)
A. Dhawan, North Carolina State Univ. (United States)
J. F. Muth, North Carolina State Univ. (United States)

Published in SPIE Proceedings Vol. 6479:
Quantum Sensing and Nanophotonic Devices IV
Manijeh Razeghi; Gail J. Brown, Editor(s)

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