Abstract

The terahertz (THz) transmission properties of a single sub-wavelength circular hole in the free-standing metal foil are experimentally investigated. A THz time-domain spectroscopy (THz-TDS) is utilized to measure the transmission coefficient from 0.2 to 2.2 THz. The transmission coefficients for the aperture with different diameters ranging from d=150 to 500 microns are presented. The results indicate that the samples change the temporal and spectral characteristics of the incident THz pulses. In particular, there is a remarkable stop band for d=150 microns in the transmission spectrum which the conventional diffraction theory cannot explain. Further theoretical analysis is necessary.

© 2005 Chinese Optics Letters

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2004 (1)

2003 (1)

J. G. Rivas, C. Schotsch, P. H. Bolivar, and H. Kurz, Phys. Rev. B 68, 201306 (2003).

2001 (1)

2000 (1)

D. E. Grupp, H. J. Lezec, T. W. Ebbesen, K. M. Pellerin, and T. Thio, Appl. Phys. Lett. 77, 1569 (2000).

1999 (1)

D. E. Grupp, H. J. Lezec, T. Thio, and T. W. Ebbesen, Adv. Mater. 11, 860 (1999).

1998 (1)

H. F. Ghaemi, T. Thio, D. E. Grupp, T. W. Ebbesen, and H. J. Lezec, Phys. Rev. B 83, 6779 (1998).

1992 (1)

W. Sha, T. B. Norris, J. W. Burm, D. Woodard, and W. J. Schaff, Appl. Phys. Lett. 61, 1763 (1992).

1990 (1)

1983 (1)

1957 (1)

R. H. Ritchie, Phys. Rev. 106, 874 (1957).

1944 (1)

H. A. Bethe, Phys. Rev. 66, 163 (1944).

Adv. Mater. (1)

D. E. Grupp, H. J. Lezec, T. Thio, and T. W. Ebbesen, Adv. Mater. 11, 860 (1999).

Appl. Opt. (1)

Appl. Phys. Lett. (2)

D. E. Grupp, H. J. Lezec, T. W. Ebbesen, K. M. Pellerin, and T. Thio, Appl. Phys. Lett. 77, 1569 (2000).

W. Sha, T. B. Norris, J. W. Burm, D. Woodard, and W. J. Schaff, Appl. Phys. Lett. 61, 1763 (1992).

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

Opt. Commun. (1)

A. Krishnan, T. Thio, T. J. Kim, H. J. Lezec, T. W. Ebbesen, P. A. Wolff, J. Pendry, L. Martin-Moreno, and F. J. Garcia-Vidal, Opt. Commun. 200, 1 (2001).

Opt. Lett. (2)

Phys. Rev. (2)

R. H. Ritchie, Phys. Rev. 106, 874 (1957).

H. A. Bethe, Phys. Rev. 66, 163 (1944).

Phys. Rev. B (2)

H. F. Ghaemi, T. Thio, D. E. Grupp, T. W. Ebbesen, and H. J. Lezec, Phys. Rev. B 83, 6779 (1998).

J. G. Rivas, C. Schotsch, P. H. Bolivar, and H. Kurz, Phys. Rev. B 68, 201306 (2003).

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