Abstract

This Letter presents a scheme to embed both angular/spectral surface plasmon resonance (SPR) in a unique far-field rainbow feature by tightly focusing (effective NA=1.45) a polychromatic radially polarized beam on an Au(20nm)/SiO2(500nm)/Au(20nm) sandwich structure. Without the need for angular or spectral scanning, the virtual spectral probe snapshots a wide operation range (n=11.42; λ=400700nm) of SPR excitation in a locally nanosized region. Combined with the high-speed spectral analysis, a proof-of-concept scenario was given by monitoring the NaCl liquid concentration change in real time. The proposed scheme will certainly has a promising impact on the development of objective-based SPR sensor and biometric studies due to its rapidity and versatility.

© 2012 Optical Society of America

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References

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2011

T. H. Lan, C. Y. Ho, and C. H. Tien, Appl. Phys. Lett. 98, 081107 (2011).
[CrossRef]

T. H. Lan, Y. K. Chung, and C. H. Tien, Jpn. J. Appl. Phys. 50, 09MG04 (2011).
[CrossRef]

2010

2009

2008

K. J. Moh, X. C. Yuan, J. Bu, S. W. Zhu, and B. Z. Gao, Opt. Express 16, 20734 (2008).
[CrossRef]

J. Homola, Chem. Rev. 108, 462 (2008).
[CrossRef]

T. Grosjean, M. Suarez, and A. Sabac, Appl. Phys. Lett. 93, 231106 (2008).
[CrossRef]

2007

2006

2005

2003

W. L. Barnes, A. Dereux, and T. W. Ebbesen, Nature 424, 824 (2003).
[CrossRef]

1998

H. Kano and W. Knoll, Opt. Commun. 153, 235 (1998).
[CrossRef]

1968

E. Kretschmann and H. Raether, Z. Phys. A 23, 2135 (1968).

A. Otto, Z. Phys. A 216, 398 (1968).

Ait-Ameur, K.

Barnes, W. L.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, Nature 424, 824 (2003).
[CrossRef]

Bu, J.

Chung, Y. K.

T. H. Lan, Y. K. Chung, and C. H. Tien, Jpn. J. Appl. Phys. 50, 09MG04 (2011).
[CrossRef]

de Saint Denis, R.

Dereux, A.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, Nature 424, 824 (2003).
[CrossRef]

Ebbesen, T. W.

W. L. Barnes, A. Dereux, and T. W. Ebbesen, Nature 424, 824 (2003).
[CrossRef]

Gao, B. Z.

Grosjean, T.

T. Grosjean, M. Suarez, and A. Sabac, Appl. Phys. Lett. 93, 231106 (2008).
[CrossRef]

Hierle, R.

Ho, C. Y.

T. H. Lan, C. Y. Ho, and C. H. Tien, Appl. Phys. Lett. 98, 081107 (2011).
[CrossRef]

Homola, J.

J. Homola, Chem. Rev. 108, 462 (2008).
[CrossRef]

Jacket, S.

Kano, H.

H. Kano and W. Knoll, Opt. Commun. 153, 235 (1998).
[CrossRef]

Knoll, W.

H. Kano and W. Knoll, Opt. Commun. 153, 235 (1998).
[CrossRef]

Kretschmann, E.

E. Kretschmann and H. Raether, Z. Phys. A 23, 2135 (1968).

Lan, T. H.

T. H. Lan, C. Y. Ho, and C. H. Tien, Appl. Phys. Lett. 98, 081107 (2011).
[CrossRef]

T. H. Lan, Y. K. Chung, and C. H. Tien, Jpn. J. Appl. Phys. 50, 09MG04 (2011).
[CrossRef]

T. H. Lan and C. H. Tien, Opt. Express 18, 23314 (2010).
[CrossRef]

Lipson, S. G.

Lumer, Y.

Machavariani, G.

Meir, A.

Moh, K. J.

Moshe, I.

Otto, A.

A. Otto, Z. Phys. A 216, 398 (1968).

Passilly, N.

Raether, H.

E. Kretschmann and H. Raether, Z. Phys. A 23, 2135 (1968).

Roch, J. F. O.

Sabac, A.

T. Grosjean, M. Suarez, and A. Sabac, Appl. Phys. Lett. 93, 231106 (2008).
[CrossRef]

Shoham, A.

Suarez, M.

T. Grosjean, M. Suarez, and A. Sabac, Appl. Phys. Lett. 93, 231106 (2008).
[CrossRef]

Tien, C. H.

T. H. Lan, C. Y. Ho, and C. H. Tien, Appl. Phys. Lett. 98, 081107 (2011).
[CrossRef]

T. H. Lan, Y. K. Chung, and C. H. Tien, Jpn. J. Appl. Phys. 50, 09MG04 (2011).
[CrossRef]

T. H. Lan and C. H. Tien, Opt. Express 18, 23314 (2010).
[CrossRef]

Treussart, F.

Vander, R.

Yuan, X. C.

Zhan, Q. W.

Zhu, S. W.

Appl. Phys. Lett.

T. Grosjean, M. Suarez, and A. Sabac, Appl. Phys. Lett. 93, 231106 (2008).
[CrossRef]

T. H. Lan, C. Y. Ho, and C. H. Tien, Appl. Phys. Lett. 98, 081107 (2011).
[CrossRef]

Chem. Rev.

J. Homola, Chem. Rev. 108, 462 (2008).
[CrossRef]

J. Opt. Soc. Am. A

Jpn. J. Appl. Phys.

T. H. Lan, Y. K. Chung, and C. H. Tien, Jpn. J. Appl. Phys. 50, 09MG04 (2011).
[CrossRef]

Nature

W. L. Barnes, A. Dereux, and T. W. Ebbesen, Nature 424, 824 (2003).
[CrossRef]

Opt. Commun.

H. Kano and W. Knoll, Opt. Commun. 153, 235 (1998).
[CrossRef]

Opt. Express

Opt. Lett.

Z. Phys. A

E. Kretschmann and H. Raether, Z. Phys. A 23, 2135 (1968).

A. Otto, Z. Phys. A 216, 398 (1968).

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Figures (4)

Fig. 1.
Fig. 1.

(a) Schematic diagram of the WRP-SPR sensor platform. CL, collimated lens; PRPC, polychromatic radially polarized converter; RL, relay lens; BS, beam splitter; IL, image lens; MIM, Au(20nm)/SiO2(500nm)/Au(20nm) sandwich structure. The insets show the experimental intensity distribution of radially polarized beam (b) before and (c), (d) after passing through an analyzer whose transmission axes are indicated by white arrows.

Fig. 2.
Fig. 2.

The spectral reflectance with different incident angles when the SPR coupler is (a) a 40 nm Au monolayer and (b) a Au(20nm)/SiO2(500nm)/Au(20nm) structure, where the experimental observation [(b1)–(b3)] of dark rings corresponds to resonance at wavelengths of 610, 530, and 450 nm, respectively.

Fig. 3.
Fig. 3.

The field distribution of white-light-radial-polarization-induced rainbow rings at the exit pupil of objective lens.

Fig. 4.
Fig. 4.

Differential spectral reflectance (DSR) subject to different concentration of NaCl solution, ρ=10%, 20%, 30%, and 40%, respectively, where the reflectance was subtracted by the baseline of pure water. As we differenced the variation of spectral reflectance with respect to concentration change (ρ=10% to 20%), ΔDSR/Δρ, three peaked wavelengths (462, 551, and 660 nm) were highlighted to feature the most sensitive spectral response.

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