Abstract

We report results of measurements and calculations that help to clarify the role of surface plasmon-polariton modes in the transmission of light through thin continuous films of silver. Our experimental data show that there is an optimum silver film thickness for which transmission is maximal. We offer an explanation of this phenomenon in terms of competition between increasing absorption in the metal and increasing optical field-enhancement due to surface plasmon-polariton excitation as the metal film thickness is increased. We find no need to invoke the regeneration of evanescent waves as has recently been suggested.

© 2004 Optical Society of America

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Appl. Phys Lett. (1)

Z. Liu, N. Fang, T. J. Yen, X. Zhang, �??Rapid growth of evanescent wave by a silver superlens,�?? Appl. Phys Lett. 83, 5184-5186 (2003)
[CrossRef]

Appl. Phys. Lett. (3)

R. W. Gruhlke and D. G. Hall, �??Transmission of molecular fluorescence through a thin metal-film by surface-plasmons,�?? Appl. Phys. Lett. 53, 1041-1042 (1988)
[CrossRef]

D. K. Gifford and D. G. Hall, �??Emission through one of two metal electrodes of an organic light-emitting diode via surface-plasmon cross coupling,�?? Appl. Phys. Lett. 81, 4315-4317 (2002).
[CrossRef]

D. K. Gifford and D. G. Hall, �??Extraordinary transmission of organic photoluminescence through an otherwise opaque metal layer via surface plasmon cross coupling,�?? Appl. Phys. Lett. 80, 3679-3681 (2002)
[CrossRef]

J. Mod. Opt. (1)

E. L. Wood, J. R. Sambles, N. P. Cotter, S.C. Kitson, �??Diffraction grating characterization using multiplewavelength excitation of surface-plasmon polaritons�?? J. Mod. Opt. 42, 1343-1349 (1995)

J. Opt. Soc. Am. (1)

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

N. P. K. Cotter, T. W. Preist, and J. R. Sambles, �??Scattering-matrix approach to multilayer diffraction�?? J. Opt. Soc. Am. A. 12, 1097-1103 (1995)

Nature (1)

W. L. Barnes, A. Dereux, and T. W. Ebbesen, �??Surface plasmon subwavelength optics,�?? Nature 424, 824- 830 (2003)
[CrossRef]

Opt. Express (2)

Opt. Lett. (1)

Opt. Lett. 19 (1)

S. Herminghaus, M. Klopfleisch, and H. J. Schmidt, �??Attenuated total reflectance as a quantum interference phenomenon,�?? Opt. Lett. 19, 293-295 (1994).

Phys. Rev. B (1)

U. Schröter and D. Heitmann, �??Grating couplers for surface plasmons excited on thin metal films in the Kretschmann-Raether configuration,�?? Phys. Rev. B. 60, 4992-4999 (1999)
[CrossRef]

Phys. Rev. B. (3)

I. R. Hooper and J. R. Sambles, �??Surface plasmon polaritons on thin-slab metal gratings,�?? Phys. Rev. B. 67, 235-404 (2003)

S. Wedge, I. R. Hooper, I. Sage, W. L. Barnes, �??Light emission through a corrugated metal film: The role of cross-coupled surface plasmon polaritons,�?? Phys. Rev. B. 69, 245418 (2004)

S. L. Westcott, J. B. Jackson, C. Radloff, N. J. Halas, �??Relative contributions to the plasmon line shape of metal nanoshells,�?? Phys. Rev. B. 66, 155 431 (2002)

Phys. Rev. Lett. (8)

C. Sönnichsen, T. Franzl, T. Wilk, G. von Plessen, J. Feldmann, O. Wilson, P. Mulvaney, �??Drastic reduction of plasmon damping in gold nanorods,�?? Phys. Rev. Lett. 88, 077-402 (2002)

S. Ushioda, J. E. Rutledge, and R. M. Pierce, �??Prism-coupled light-emission from tunnel-junctions,�?? Phys. Rev. Lett. 54, 224-226 (1985)
[CrossRef]

R. Dragila, B. Luther-Davies, and S. Vukovic, �??High transparency of classically opaque metallic-films�?? Phys. Rev. Lett. 55, 1117-1120 (1985)
[CrossRef]

J. B. Pendry, �??Negative refraction makes a perfect lens,�?? Phys. Rev. Lett. 85, 3966-3969 (2000)
[CrossRef]

J. M. Williams, �??Some Problems with Negative Refraction,�?? Phys. Rev. Lett. 87, 249-703 (2001).

G. W. 't Hooft, �??Comment on "Negative Refraction Makes a Perfect Lens,�?? Phys. Rev. Lett. 87, 249 701 (2001).

N. Garcia and M. Nieto-Vesperinas, �??Left-Handed Materials Do Not Make a Perfect Lens,�?? Phys. Rev. Lett. 88, 207 403 (2002)

R. W. Gruhlke, W. R. Holland, and D. G. Hall, Surface-plasmon cross coupling in molecular fluorescence near a corrugated thin film,�?? Phys. Rev. Lett. 56, 2838-2841 (1986)
[CrossRef]

Z. Phys. (1)

E. Kretschmann, �??Die bestimmung optischer Konstanten von Metallen durch Auregung von Oberflächenplasmaschwingungen,�?? Z. Phys. 241, 313-324 (1971)

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