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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. 4, Iss. 6 — May. 26, 2009

Surface-plasmon resonance sensor using silica-core Bragg fiber

Lin Ma, Takashi Katagiri, and Yuji Matsuura  »View Author Affiliations


Optics Letters, Vol. 34, Issue 7, pp. 1069-1071 (2009)
http://dx.doi.org/10.1364/OL.34.001069


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Abstract

A silica-core Bragg fiber surface-plasmon resonance (SPR) sensor with high design flexibility has been developed for refractive index measurement. In this geometry, an HE 11 -like Bragg fiber core mode is designed to excite the surface plasmonic wave. It is shown that reduction of core size enables measurement of refractive index significantly lower than that of the silica core. This makes the device useful for biosensing or chemical sensing applications handling aqueous samples. The proposed sensor is fabricated using a unique rf-sputtering method, and SPR-induced extinction of more than 20 dB is observed.

© 2009 Optical Society of America

OCIS Codes
(060.2280) Fiber optics and optical communications : Fiber design and fabrication
(240.6680) Optics at surfaces : Surface plasmons
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: November 11, 2008
Revised Manuscript: February 12, 2009
Manuscript Accepted: February 26, 2009
Published: March 26, 2009

Virtual Issues
Vol. 4, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Lin Ma, Takashi Katagiri, and Yuji Matsuura, "Surface-plasmon resonance sensor using silica-core Bragg fiber," Opt. Lett. 34, 1069-1071 (2009)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ol-34-7-1069


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References

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