Enhanced Confined Light Transmission by Single Subwavelength Apertures in Metallic Films
Applied Optics, Vol. 42, Issue 34, pp. 6811-6815 (2003)
http://dx.doi.org/10.1364/AO.42.006811
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Abstract
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
Citation
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)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-34-6811
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