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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 2, Iss. 7 — Jul. 16, 2007

Design criteria for microstructured-optical-fiber-based surface-plasmon-resonance sensors

Alireza Hassani and Maksim Skorobogatiy  »View Author Affiliations


JOSA B, Vol. 24, Issue 6, pp. 1423-1429 (2007)
http://dx.doi.org/10.1364/JOSAB.24.001423


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Abstract

Design strategies for microstructured-optical-fiber (MOF-) based surface-plasmon-resonance (SPR) sensors are presented. In such sensors, plasmons on the inner surface of the large metallized channels containing analyte can be excited by a fundamental mode of a single-mode microstructured fiber. Phase matching between a plasmon and a core mode can be enforced by introducing air-filled microstructures into the fiber core. Particularly, in its simplest implementation, the effective refractive index of a fundamental mode can be lowered to match that of a plasmon by introducing a small central hole into the fiber core. Resolution of the MOF-based sensors is demonstrated to be as low as 3 × 10 5 RIU , where RIU means refractive index unit. The ability to integrate large-size microfluidic channels for efficient analyte flow together with a single-mode waveguide of designable modal refractive index is attractive for the development of integrated highly sensitive MOF-SPR sensors operating at any designable wavelength.

© 2007 Optical Society of America

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(130.6010) Integrated optics : Sensors
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Photonic Crystals

History
Original Manuscript: October 4, 2006
Revised Manuscript: February 8, 2007
Manuscript Accepted: February 10, 2007
Published: May 17, 2007

Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Alireza Hassani and Maksim Skorobogatiy, "Design criteria for microstructured-optical-fiber-based surface-plasmon-resonance sensors," J. Opt. Soc. Am. B 24, 1423-1429 (2007)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josab-24-6-1423

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