Abstract

We investigated a precursor of superlensing: regenerating evanescent waves by excitation of a surface plasmon. Because the permittivity of a silver slab approaches -1, we experimentally observed a broadening of surface-plasmon bandwidth. Our study identifies a means to access deep subwavelength features by use of a metamaterial superlens.

© 2003 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef]
  3. V. Veselago, �??The electrodynamics of substances with simultaneously negative ε and µ,�?? Sov. Phys. Usp. 10, 509-514 (1968).
    [CrossRef]
  4. J. B. Pendry, �??Negative refraction makes a perfect lens,�?? Phys. Rev. Lett. 85, 3966-3969 (2000).
    [CrossRef]
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    [CrossRef]
  8. S. Hayashi, T. Kume, T. Amano, and K. Yamamoto, �??A new method of surface plasmon excitation mediated by metallic nanoparticles,�?? Jpn. J. Appl. Phys. 35, L331-L334 (1996).
    [CrossRef]
  9. E. Kroeger and E. Kretschmann, �??Scattering of light by slightly rough surfaces or thin films including plasma resonance emission,�?? Z. Physik 237, 1-15 (1970).
    [CrossRef]
  10. E. Kretschmann, �??The angular dependence and the polarization of light emitted by surface plasmons on metals due to roughness,�?? Opt. Commun. 5, 331-336 (1972).
    [CrossRef]
  11. W. H. Weber and G. W. Ford, �??Optical electric-field enhancement at a metal surface arising from surface plasmon excitation,�?? Opt. Lett. 6, 122-124 (1981).
  12. Z. Liu, N. Fang, T.-J. Yen, and X. Zhang are preparing a manuscript to be called �??Observation of rapid growth of evanescent wave with thickness of a negative permittivity slab: a key for superlens.�??

J. Mod. Opt. (1)

S. A. Ramakrishna, J. B. Pendry, D. Schurig, D. R Smith, and S. Schultz, �??The asymmetric lossy near perfect lens,�?? J. Mod. Opt. 49, 1747(2002).

Jpn. J. Appl. Phys. (1)

S. Hayashi, T. Kume, T. Amano, and K. Yamamoto, �??A new method of surface plasmon excitation mediated by metallic nanoparticles,�?? Jpn. J. Appl. Phys. 35, L331-L334 (1996).
[CrossRef]

Opt. Commun. (1)

E. Kretschmann, �??The angular dependence and the polarization of light emitted by surface plasmons on metals due to roughness,�?? Opt. Commun. 5, 331-336 (1972).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. B (2)

P. B. Johnson and R. W. Christy, �??Optical constants of the noble metals,�?? Phys. Rev. B. 6, 4370-4379 (1972).
[CrossRef]

H. Kosaka, T. Kawashima, et al., �??Superprism phenomena in photonic crystals,�?? Phys. Rev. B 58, R10096 (1998).
[CrossRef]

Phys. Rev. Lett. (2)

D. Smith, W. Padilla, et al., �??Composite medium with simultaneously negative permittivity and permeability,�?? Phys. Rev. Lett. 84, 4184-4187 (2000).
[CrossRef]

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

Sov. Phys. Usp. (1)

V. Veselago, �??The electrodynamics of substances with simultaneously negative ε and µ,�?? Sov. Phys. Usp. 10, 509-514 (1968).
[CrossRef]

Z. Physik (1)

E. Kroeger and E. Kretschmann, �??Scattering of light by slightly rough surfaces or thin films including plasma resonance emission,�?? Z. Physik 237, 1-15 (1970).
[CrossRef]

Other (2)

H. Raether, Surface Plasmons (Springer-Verlag, Berlin, 1988).

Z. Liu, N. Fang, T.-J. Yen, and X. Zhang are preparing a manuscript to be called �??Observation of rapid growth of evanescent wave with thickness of a negative permittivity slab: a key for superlens.�??

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