Abstract

The absorptances of 633-nm photons by silver island films formed on room temperature substrates were measured in an attenuated-total-reflection geometry by the photoacoustic method as a function of the angle of photon incidence. From the data obtained for s-polarized light ″, the effective dielectric function for the direction parallel to the film and dopt, the effective optical thickness, were determined as a function of the mass thickness dm of the island films between 2 and 18 nm. The values of ″ and dopt were then used to calculate the absorptance for p-polarized light assuming that the films were optically isotropic. It was found that the calculated values agreed well with the experimental values indicating that the films were isotropic. The values of dopt agreed well with earlier results from an ellipsometric study in which the films were assumed to be isotropic.

© 1986 Optical Society of America

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References

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  1. G. C. Papavassiliou, “Optical Properties of Small Inorganic and Organic Metal Particles,” Prog. Solid State Chem. 12, 185 (1979).
    [CrossRef]
  2. S. Yamaguchi, “The Resonance Type Absorption of Very Thin Silver and Gold Films,” J. Phys. Soc. Jpn. 15, 1577 (1960).
    [CrossRef]
  3. P. Rouard, “Sur le phénomene d’absorption optique anormale des couches minces métalliques,” Appl. Opt. 4, 947 (1965).
    [CrossRef]
  4. T. Yamaguchi, S. Yoshida, A. Kinbara, “Effects of Optical Anisotropy of Aggregated Silver Films on Ellipsometric Determination of n, k, and d,” J. Opt. Soc. Am. 62, 634 (1972).
    [CrossRef]
  5. R. W. Tokarsky, J. P. Marton, “Optical Properties of Aggregated Ag and Au Thin Films—MG Approach,” J. Appl. Phys. 45, 3051 (1974).
    [CrossRef]
  6. V. V. Truong, G. D. Scott, “Optical Constants of Aggregated Gold Films,” J. Opt. Soc. Am. 66, 124 (1976).
    [CrossRef]
  7. V. V. Truong, G. D. Scott, “Optical Properties of Aggregated Noble Metal Films,” J. Opt. Soc. Am. 67, 502 (1977).
    [CrossRef]
  8. T. Yamaguchi, H. Takahashi, A. Sudoh, “Optical Behavior of a Metal Island Film,” J. Opt. Soc. Am. 68, 1039 (1978).
    [CrossRef]
  9. R. E. Hetrick, J. Lambe, “Optical Properties of Small In Particles in Thin-Film Form,” Phys. Rev. B 11, 1273 (1975).
    [CrossRef]
  10. E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).
  11. K. Ishiguro, G. Kuwabara, “Determination of the Optical Constants of Ag Films from the Measurements of Intensity and Phase Change [I],” J. Phys. Soc. Jpn. 6, 71 (1951).
    [CrossRef]
  12. S. Yoshida, T. Yamaguchi, A. Kinbara, “Optical Properties of Aggregated Silver Films,” J. Opt. Soc. Am. 61, 62 (1971).
    [CrossRef]
  13. J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
    [CrossRef]
  14. S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
    [CrossRef]
  15. N. J. Harrick, Internal Reflection Spectroscopy (Wiley, New York, 1967).
  16. A. Rosencwaig, Photoacoustics and Photoacoustic Spectroscopy (Wiley, New York, 1980).
  17. T. Inagaki, K. Kagami, E. T. Arakawa, “Photoacoustic Study of Surface Plasmons in Metals,” Appl. Opt. 21, 949 (1982).
    [CrossRef] [PubMed]
  18. T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
    [CrossRef]
  19. T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
    [CrossRef]
  20. T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
    [CrossRef]
  21. T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
    [CrossRef]
  22. K. L. Chopra, Thin Film Phenomena (McGraw-Hill, New York, 1969).
  23. P. B. Johnson, R. W. Christy, “Optical Constants of the Noble Metals,” Phys. Rev. B 6, 4370 (1972).
    [CrossRef]
  24. T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
    [CrossRef]
  25. D. A. Weitz, S. Garoff, T. J. Gramila, “Excitation Spectra of Surface-Enhanced Raman Scattering on Silver-Island Films,” Opt. Lett. 7, 168 (1982).
    [CrossRef] [PubMed]
  26. H. Seki, “Surface Enhanced Raman Scattering of Pyridine on Different Silver Surfaces,” J. Chem. Phys. 76, 4412 (1982).
    [CrossRef]
  27. S. Hayashi, M. Samejima, “Surface-Enhanced Raman Scattering from Copper Phthalocyanine Thin Films,” Surf. Sci. 137, 442 (1984).
    [CrossRef]
  28. S. A. Lyon, J. M. Worlock, “Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect,” Phys. Rev. Lett. 51, 593 (1983).
    [CrossRef]

1985 (2)

T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
[CrossRef]

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

1984 (3)

S. Hayashi, M. Samejima, “Surface-Enhanced Raman Scattering from Copper Phthalocyanine Thin Films,” Surf. Sci. 137, 442 (1984).
[CrossRef]

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

1983 (2)

S. A. Lyon, J. M. Worlock, “Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect,” Phys. Rev. Lett. 51, 593 (1983).
[CrossRef]

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

1982 (4)

D. A. Weitz, S. Garoff, T. J. Gramila, “Excitation Spectra of Surface-Enhanced Raman Scattering on Silver-Island Films,” Opt. Lett. 7, 168 (1982).
[CrossRef] [PubMed]

H. Seki, “Surface Enhanced Raman Scattering of Pyridine on Different Silver Surfaces,” J. Chem. Phys. 76, 4412 (1982).
[CrossRef]

T. Inagaki, K. Kagami, E. T. Arakawa, “Photoacoustic Study of Surface Plasmons in Metals,” Appl. Opt. 21, 949 (1982).
[CrossRef] [PubMed]

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

1981 (1)

T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
[CrossRef]

1980 (1)

E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).

1979 (1)

G. C. Papavassiliou, “Optical Properties of Small Inorganic and Organic Metal Particles,” Prog. Solid State Chem. 12, 185 (1979).
[CrossRef]

1978 (1)

1977 (1)

1976 (1)

1975 (1)

R. E. Hetrick, J. Lambe, “Optical Properties of Small In Particles in Thin-Film Form,” Phys. Rev. B 11, 1273 (1975).
[CrossRef]

1974 (1)

R. W. Tokarsky, J. P. Marton, “Optical Properties of Aggregated Ag and Au Thin Films—MG Approach,” J. Appl. Phys. 45, 3051 (1974).
[CrossRef]

1972 (2)

1971 (1)

1965 (1)

1960 (1)

S. Yamaguchi, “The Resonance Type Absorption of Very Thin Silver and Gold Films,” J. Phys. Soc. Jpn. 15, 1577 (1960).
[CrossRef]

1951 (1)

K. Ishiguro, G. Kuwabara, “Determination of the Optical Constants of Ag Films from the Measurements of Intensity and Phase Change [I],” J. Phys. Soc. Jpn. 6, 71 (1951).
[CrossRef]

Aas, D. J.

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

Arakawa, E. T.

T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
[CrossRef]

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

T. Inagaki, K. Kagami, E. T. Arakawa, “Photoacoustic Study of Surface Plasmons in Metals,” Appl. Opt. 21, 949 (1982).
[CrossRef] [PubMed]

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
[CrossRef]

Bondar, E. A.

E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).

Callcott, T. A.

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

Chopra, K. L.

K. L. Chopra, Thin Film Phenomena (McGraw-Hill, New York, 1969).

Christy, R. W.

P. B. Johnson, R. W. Christy, “Optical Constants of the Noble Metals,” Phys. Rev. B 6, 4370 (1972).
[CrossRef]

Ferrell, T. L.

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

Garoff, S.

Goudonnet, J. P.

T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
[CrossRef]

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

Gramila, T. J.

Harrick, N. J.

N. J. Harrick, Internal Reflection Spectroscopy (Wiley, New York, 1967).

Hayashi, S.

S. Hayashi, M. Samejima, “Surface-Enhanced Raman Scattering from Copper Phthalocyanine Thin Films,” Surf. Sci. 137, 442 (1984).
[CrossRef]

Hetrick, R. E.

R. E. Hetrick, J. Lambe, “Optical Properties of Small In Particles in Thin-Film Form,” Phys. Rev. B 11, 1273 (1975).
[CrossRef]

Inagaki, T.

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
[CrossRef]

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

T. Inagaki, K. Kagami, E. T. Arakawa, “Photoacoustic Study of Surface Plasmons in Metals,” Appl. Opt. 21, 949 (1982).
[CrossRef] [PubMed]

T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
[CrossRef]

Ishiguro, K.

K. Ishiguro, G. Kuwabara, “Determination of the Optical Constants of Ag Films from the Measurements of Intensity and Phase Change [I],” J. Phys. Soc. Jpn. 6, 71 (1951).
[CrossRef]

Johnson, P. B.

P. B. Johnson, R. W. Christy, “Optical Constants of the Noble Metals,” Phys. Rev. B 6, 4370 (1972).
[CrossRef]

Kagami, K.

Kennerly, S. W.

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

Kinbara, A.

Kulyupin, Yu. A.

E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).

Kuwabara, G.

K. Ishiguro, G. Kuwabara, “Determination of the Optical Constants of Ag Films from the Measurements of Intensity and Phase Change [I],” J. Phys. Soc. Jpn. 6, 71 (1951).
[CrossRef]

Lambe, J.

R. E. Hetrick, J. Lambe, “Optical Properties of Small In Particles in Thin-Film Form,” Phys. Rev. B 11, 1273 (1975).
[CrossRef]

Little, J. W.

T. Inagaki, J. P. Goudonnet, J. W. Little, E. T. Arakawa, “Photoacoustic Study of Plasmon-Resonance Absorption in a Bigrating,” J. Opt. Soc. Am. B 2, 433 (1985).
[CrossRef]

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

Lyon, S. A.

S. A. Lyon, J. M. Worlock, “Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect,” Phys. Rev. Lett. 51, 593 (1983).
[CrossRef]

Marton, J. P.

R. W. Tokarsky, J. P. Marton, “Optical Properties of Aggregated Ag and Au Thin Films—MG Approach,” J. Appl. Phys. 45, 3051 (1974).
[CrossRef]

Motosuga, M.

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

Nakagawa, Y.

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

Papavassiliou, G. C.

G. C. Papavassiliou, “Optical Properties of Small Inorganic and Organic Metal Particles,” Prog. Solid State Chem. 12, 185 (1979).
[CrossRef]

Popovich, N. N.

E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).

Rosencwaig, A.

A. Rosencwaig, Photoacoustics and Photoacoustic Spectroscopy (Wiley, New York, 1980).

Rouard, P.

Samejima, M.

S. Hayashi, M. Samejima, “Surface-Enhanced Raman Scattering from Copper Phthalocyanine Thin Films,” Surf. Sci. 137, 442 (1984).
[CrossRef]

Scott, G. D.

Seki, H.

H. Seki, “Surface Enhanced Raman Scattering of Pyridine on Different Silver Surfaces,” J. Chem. Phys. 76, 4412 (1982).
[CrossRef]

Sudoh, A.

Takahashi, H.

Tokarsky, R. W.

R. W. Tokarsky, J. P. Marton, “Optical Properties of Aggregated Ag and Au Thin Films—MG Approach,” J. Appl. Phys. 45, 3051 (1974).
[CrossRef]

Truong, V. V.

Warmack, R. J.

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

Weitz, D. A.

Williams, M. W.

T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
[CrossRef]

Worlock, J. M.

S. A. Lyon, J. M. Worlock, “Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect,” Phys. Rev. Lett. 51, 593 (1983).
[CrossRef]

Yamaguchi, S.

S. Yamaguchi, “The Resonance Type Absorption of Very Thin Silver and Gold Films,” J. Phys. Soc. Jpn. 15, 1577 (1960).
[CrossRef]

Yamaguchi, T.

Yamamori, K.

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

Yoshida, S.

Appl. Opt. (2)

J. Appl. Phys. (1)

R. W. Tokarsky, J. P. Marton, “Optical Properties of Aggregated Ag and Au Thin Films—MG Approach,” J. Appl. Phys. 45, 3051 (1974).
[CrossRef]

J. Chem. Phys. (1)

H. Seki, “Surface Enhanced Raman Scattering of Pyridine on Different Silver Surfaces,” J. Chem. Phys. 76, 4412 (1982).
[CrossRef]

J. Opt. Soc. Am. (5)

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

J. Phys. Soc. Jpn. (2)

K. Ishiguro, G. Kuwabara, “Determination of the Optical Constants of Ag Films from the Measurements of Intensity and Phase Change [I],” J. Phys. Soc. Jpn. 6, 71 (1951).
[CrossRef]

S. Yamaguchi, “The Resonance Type Absorption of Very Thin Silver and Gold Films,” J. Phys. Soc. Jpn. 15, 1577 (1960).
[CrossRef]

Opt. Lett. (1)

Opt. Spectrosc. USSR (1)

E. A. Bondar, Yu. A. Kulyupin, N. N. Popovich, “Optical Properties of Island Films. Models of an Isotropic Homogeneous Plane-Parallel Plate,” Opt. Spectrosc. USSR 49, 432 (1980).

Phys. Rev. B (8)

T. Inagaki, Y. Nakagawa, E. T. Arakawa, D. J. Aas, “Photoacoustic Determination of Radiative Quantum Efficiency of Surface Plasmons in Silver Films,” Phys. Rev. B 26, 6421 (1982).
[CrossRef]

T. Inagaki, M. Motosuga, K. Yamamori, E. T. Arakawa, “Photoacoustic Study of Plasmon Resonance Absorption in a Diffraction Grating,” Phys. Rev. B 28, 1740 (1983).
[CrossRef]

J. W. Little, T. A. Callcott, T. L. Ferrell, E. T. Arakawa, “Surface-Plasmon Radiation from Ellipsoidal Silver Spheroids,” Phys. Rev. B 29, 1606 (1984).
[CrossRef]

S. W. Kennerly, J. W. Little, R. J. Warmack, T. L. Ferrell, “Optical Properties of Heated Ag Films,” Phys. Rev. B 29, 2926 (1984).
[CrossRef]

R. E. Hetrick, J. Lambe, “Optical Properties of Small In Particles in Thin-Film Form,” Phys. Rev. B 11, 1273 (1975).
[CrossRef]

T. Inagaki, M. Motosuga, E. T. Arakawa, J. P. Goudonnet, “Coupled Surface Plasmons in Periodically Corrugated Thin Silver Films,” Phys. Rev. B 32, 6238 (1985).
[CrossRef]

P. B. Johnson, R. W. Christy, “Optical Constants of the Noble Metals,” Phys. Rev. B 6, 4370 (1972).
[CrossRef]

T. Inagaki, E. T. Arakawa, M. W. Williams, “Optical Properties of Liquid Mercury,” Phys. Rev. B 23, 5246 (1981).
[CrossRef]

Phys. Rev. Lett. (1)

S. A. Lyon, J. M. Worlock, “Role of Electromagnetic Resonances in the Surface-Enhanced Raman Effect,” Phys. Rev. Lett. 51, 593 (1983).
[CrossRef]

Prog. Solid State Chem. (1)

G. C. Papavassiliou, “Optical Properties of Small Inorganic and Organic Metal Particles,” Prog. Solid State Chem. 12, 185 (1979).
[CrossRef]

Surf. Sci. (1)

S. Hayashi, M. Samejima, “Surface-Enhanced Raman Scattering from Copper Phthalocyanine Thin Films,” Surf. Sci. 137, 442 (1984).
[CrossRef]

Other (3)

K. L. Chopra, Thin Film Phenomena (McGraw-Hill, New York, 1969).

N. J. Harrick, Internal Reflection Spectroscopy (Wiley, New York, 1967).

A. Rosencwaig, Photoacoustics and Photoacoustic Spectroscopy (Wiley, New York, 1980).

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Figures (5)

Fig. 1
Fig. 1

Absorptance of 633-nm photons in silver island films with mass thicknesses dm = 1,2, and 3 nm in the ATR geometry measured as a function of the angle of photon incidence θ. The critical angle θc(= 41.3°) is indicated by a dashed vertical line.

Fig. 2
Fig. 2

Absorptance of 633-nm photons in silver island films with mass thicknesses dm = 5,7, and 9 nm in the ATR geometry measured as a function of the angle of photon incidence θ.

Fig. 3
Fig. 3

Absorptance of 633-nm photons in silver island films with mass thicknesses dm = 12, 15, and 18 nm in the ATR geometry measured as a function of the angle of photon incidence θ.

Fig. 4
Fig. 4

Real and imaginary parts of the effective dielectric function ( = 1 + i 2 ) for the direction parallel to the film plane and dm/dopt, the ratio of the mass thickness to the effective optical thickness as a function of the mass thickness dm. Arrows indicate the literature values23 of the real and imaginary parts of the isotropic dielectric function of continuous thin silver film. Open triangles are the earlier results from an ellipsometric study.4

Fig. 5
Fig. 5

Calculated and experimental values of the absorptance of 633-nm photons in a silver island film with dm = 5 nm.

Metrics