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 HE11-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 20dB is observed.

© 2009 Optical Society of America

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References

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2008 (1)

2007 (1)

2004 (1)

2003 (2)

J. Villatoro, D. Monzón-Hernández, and E. Mejía, Appl. Opt. 42, 2278 (2003).
[CrossRef] [PubMed]

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

1999 (2)

R. Slavik, J. Homola, and J. Ctyroky, Sens. Actuators B 54, 74 (1999).
[CrossRef]

L. A. Obando and K. S. Booksh, Anal. Chem. 71, 5116 (1999).
[CrossRef]

1989 (1)

Ashcom, J. B.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Booksh, K. S.

L. A. Obando and K. S. Booksh, Anal. Chem. 71, 5116 (1999).
[CrossRef]

Brambilla, G.

Ctyroky, J.

R. Slavik, J. Homola, and J. Ctyroky, Sens. Actuators B 54, 74 (1999).
[CrossRef]

F. Fehri, M.

Finazzi, V.

Gattass, R. R.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Gauvreau, B.

Hassani, A.

He, S.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Homola, J.

R. Slavik, J. Homola, and J. Ctyroky, Sens. Actuators B 54, 74 (1999).
[CrossRef]

Hongo, A.

Kabashin, A.

Lou, J.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Ma, L.

Matsuura, Y.

Maxwell, I.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Mazur, E.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Mejía, E.

Miyagi, M.

Monzón-Hernández, D.

Obando, L. A.

L. A. Obando and K. S. Booksh, Anal. Chem. 71, 5116 (1999).
[CrossRef]

Richardson, D. J.

Saito, M.

Shen, M.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Skorobogatiy, M. A.

Slavik, R.

R. Slavik, J. Homola, and J. Ctyroky, Sens. Actuators B 54, 74 (1999).
[CrossRef]

Tong, L.

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Villatoro, J.

Yeh, P.

P. Yeh, Optical Waves in Layered Media (Wiley, 1988).

Anal. Chem. (1)

L. A. Obando and K. S. Booksh, Anal. Chem. 71, 5116 (1999).
[CrossRef]

Appl. Opt. (1)

J. Lightwave Technol. (1)

J. Opt. Soc. Am. A (1)

Nature (1)

L. Tong, R. R. Gattass, J. B. Ashcom, S. He, J. Lou, M. Shen, I. Maxwell, and E. Mazur, Nature 426, 816 (2003).
[CrossRef] [PubMed]

Opt. Express (2)

Sens. Actuators B (1)

R. Slavik, J. Homola, and J. Ctyroky, Sens. Actuators B 54, 74 (1999).
[CrossRef]

Other (2)

J.Homola, ed., Surface Plasmon Resonance Based Sensors (Springer, 2006).
[CrossRef]

P. Yeh, Optical Waves in Layered Media (Wiley, 1988).

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Figures (6)

Fig. 1
Fig. 1

Schematic of the SPR sensor using silica-core Bragg fiber.

Fig. 2
Fig. 2

Calculated SPR-induced extinction of two designs as a function of refractive indices of analytes.

Fig. 3
Fig. 3

Cross-sectional microscope image of the silica-core Bragg fiber SPR sensor.

Fig. 4
Fig. 4

Loss spectrum of the silica-core Bragg fiber SPR sensor.

Fig. 5
Fig. 5

Measured transmission spectra of the fabricated device in different analytes.

Fig. 6
Fig. 6

Transmitted light power of the device in different analytes when stimulated by a 785 nm laser diode.

Equations (1)

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β ( 0 ) = [ n analyte 2 ( n 2 κ 2 ) n analyte 2 + ( n 2 κ 2 ) ] 1 2 2 π λ 0 ,

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