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Proceedings Paper

Periodic array of nanoholes on gold-coated optical fiber end-faces for surface plasmon resonance liquid refractive index sensing
Author(s): Huy Nguyen; Fotios Sidiroglou; Stephen F. Collins; Gregory W. Baxter; Ann Roberts; Timothy J. Davis
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Paper Abstract

Focused ion beam (FIB) lithography was used to inscribe a periodic array of nanoholes directly on gold-coated optical fiber end-faces. The excitation of the surface plasmon polaritons of the nanohole arrays on the optical fiber end-faces provided the basis of a refractive index sensor for liquids. This optical fiber based surface plasmon resonance sensor is compact and has the potential to be used in biomedical applications. A sensitivity of approximately 294 nm per refractive index unit (RIU) has been demonstrated for this sensor.

Paper Details

Date Published: 30 January 2012
PDF: 6 pages
Proc. SPIE 8351, Third Asia Pacific Optical Sensors Conference, 835128 (30 January 2012); doi: 10.1117/12.915938
Show Author Affiliations
Huy Nguyen, Victoria Univ. (Australia)
Fotios Sidiroglou, Victoria Univ. (Australia)
Stephen F. Collins, Victoria Univ. (Australia)
Gregory W. Baxter, Victoria Univ. (Australia)
Ann Roberts, The Univ. of Melbourne (Australia)
Timothy J. Davis, Commonwealth Scientific and Industrial Research Organisation (Australia)

Published in SPIE Proceedings Vol. 8351:
Third Asia Pacific Optical Sensors Conference
John Canning; Gangding Peng, Editor(s)

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