Abstract

The propagation and attenuation constants of long-range surface-plasmon polaritons propagating on thin metal films have been measured for several film thicknesses by using a hemispherical retroreflecting coupler. The results are in agreement with our theoretical dispersion curves, which predict that the attenuation constant of this mode can decrease by a factor of 63 relative to that obtained with a thick metal film.

© 1983 Optical Society of America

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References

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  1. D. Sarid, Phys. Rev. Lett. 47, 1927 (1981).
    [CrossRef]
  2. D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
    [CrossRef]
  3. R. T. Deck, D. Sarid, J. Opt. Soc. Am. 72, 1613 (1982).
    [CrossRef]
  4. D. Sarid, R. T. Deck, J. J. Fasano, J. Opt. Soc. Am. 72, 1345 (1982).
    [CrossRef]
  5. G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
    [CrossRef]
  6. G. J. Kovacs, G. D. Scott, Phys. Rev. B 16, 1927 (1977).
    [CrossRef]

1982

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

R. T. Deck, D. Sarid, J. Opt. Soc. Am. 72, 1613 (1982).
[CrossRef]

D. Sarid, R. T. Deck, J. J. Fasano, J. Opt. Soc. Am. 72, 1345 (1982).
[CrossRef]

G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
[CrossRef]

1981

D. Sarid, Phys. Rev. Lett. 47, 1927 (1981).
[CrossRef]

1977

G. J. Kovacs, G. D. Scott, Phys. Rev. B 16, 1927 (1977).
[CrossRef]

Burke, J. J.

G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
[CrossRef]

Craig, A. E.

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

Deck, R. T.

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

R. T. Deck, D. Sarid, J. Opt. Soc. Am. 72, 1613 (1982).
[CrossRef]

D. Sarid, R. T. Deck, J. J. Fasano, J. Opt. Soc. Am. 72, 1345 (1982).
[CrossRef]

Fasano, J. J.

D. Sarid, R. T. Deck, J. J. Fasano, J. Opt. Soc. Am. 72, 1345 (1982).
[CrossRef]

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

Hall, D. G.

G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
[CrossRef]

Hickernell, R. K.

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

Jameson, R. S.

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

Kovacs, G. J.

G. J. Kovacs, G. D. Scott, Phys. Rev. B 16, 1927 (1977).
[CrossRef]

Sarid, D.

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

R. T. Deck, D. Sarid, J. Opt. Soc. Am. 72, 1613 (1982).
[CrossRef]

D. Sarid, R. T. Deck, J. J. Fasano, J. Opt. Soc. Am. 72, 1345 (1982).
[CrossRef]

D. Sarid, Phys. Rev. Lett. 47, 1927 (1981).
[CrossRef]

Scott, G. D.

G. J. Kovacs, G. D. Scott, Phys. Rev. B 16, 1927 (1977).
[CrossRef]

Stegeman, G. I.

G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
[CrossRef]

Appl. Optics

D. Sarid, R. T. Deck, A. E. Craig, R. K. Hickernell, R. S. Jameson, J. J. Fasano, Appl. Optics 21, 3993 (1982).
[CrossRef]

Appl. Phys. Lett.

G. I. Stegeman, J. J. Burke, D. G. Hall, Appl. Phys. Lett. 41, 906 (1982).
[CrossRef]

J. Opt. Soc. Am.

Phys. Rev. B

G. J. Kovacs, G. D. Scott, Phys. Rev. B 16, 1927 (1977).
[CrossRef]

Phys. Rev. Lett.

D. Sarid, Phys. Rev. Lett. 47, 1927 (1981).
[CrossRef]

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Figures (2)

Fig. 1
Fig. 1

The hemispherical retroreflecting coupler showing the three ball-bearing pressure points for shaping the gap that separates the coupler from the metal film. An index-matching fluid fills the gap and makes it possible to excite the long-range surface-plasmon polariton.

Fig. 2
Fig. 2

The theoretical results of the real (dotted curve) and the imaginary (solid curve) components of the propagation constant as a function of the metal film thickness t. The upper and lower branches describe the short- and long-range surface-plasmon polaritons, respectively. The experimental values of the real component of the propagation constant are marked by open ovals. The imaginary component (×) agrees within a factor of 2 with the theoretical results.

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