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Applied Optics

Applied Optics


  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 2 — Jan. 10, 2009
  • pp: 276–286

Exploitation of multilayer coatings for infrared surface plasmon resonance fiber sensors

T. Allsop, R. Neal, C. Mou, P. Brown, S. Saied, S. Rehman, K. Kalli, D. J. Webb, J. Sullivan, D. Mapps, and I. Bennion  »View Author Affiliations

Applied Optics, Vol. 48, Issue 2, pp. 276-286 (2009)

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We demonstrate surface plasmon resonance (SPR) fiber devices based upon ultraviolet inscription of a grating-type structure into both single-layered and multilayered thin films deposited on the flat side of a lapped D-shaped fiber. The single-layered devices were fabricated from germanium, while the multilayered ones comprised layers of germanium, silica, and silver. Some of the devices operated in air with high coupling efficiency in excess of 40 dB and an estimated index sensitivity of Δ λ / Δ n = 90 nm from 1 to 1.15 index range, while others provided an index sensitivity of Δ λ / Δ n = 6790 nm for refractive indices from 1.33 to 1.37.

© 2009 Optical Society of America

OCIS Codes
(060.2310) Fiber optics and optical communications : Fiber optics
(060.2370) Fiber optics and optical communications : Fiber optics sensors

ToC Category:
Fiber Optics and Optical Communications

Original Manuscript: August 12, 2008
Revised Manuscript: November 17, 2008
Manuscript Accepted: November 25, 2008
Published: January 7, 2009

T. Allsop, R. Neal, C. Mou, P. Brown, S. Saied, S. Rehman, K. Kalli, D. J. Webb, J. Sullivan, D. Mapps, and I. Bennion, "Exploitation of multilayer coatings for infrared surface plasmon resonance fiber sensors," Appl. Opt. 48, 276-286 (2009)

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