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Applied Optics

Applied Optics


  • Vol. 42, Iss. 34 — Dec. 1, 2003
  • pp: 6811–6815

Enhanced confined light transmission by single subwavelength apertures in metallic films

Fadi Issam Baida, Daniel Van Labeke, and Brahim Guizal  »View Author Affiliations

Applied Optics, Vol. 42, Issue 34, pp. 6811-6815 (2003)

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The diffraction of light that emerges from a metallic circular aperture is studied. Near- and far-field results are presented. Spectral angular transmitted intensities are performed versus the incident wavelength for four kinds of aperture. It is shown that, for a definite configuration, a large enhancement of transmission—compared with the basic case of a single hole—occurs combined with a spectacular angular confinement of light. Such effects are, for example, of great interest in optical near-field microscopy for which the probe is a nanosource.

© 2003 Optical Society of America

OCIS Codes
(050.1220) Diffraction and gratings : Apertures
(050.1970) Diffraction and gratings : Diffractive optics
(240.0240) Optics at surfaces : Optics at surfaces

Original Manuscript: May 20, 2003
Revised Manuscript: August 29, 2003
Published: December 1, 2003

Fadi Issam Baida, Daniel Van Labeke, and Brahim Guizal, "Enhanced confined light transmission by single subwavelength apertures in metallic films," Appl. Opt. 42, 6811-6815 (2003)

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