In sharp contrast to results obtained at optical frequencies, we demonstrate resonantly suppressed terahertz transmission through a single sub-wavelength aperture surrounded by periodic corrugations. The suppression occurs approximately at the wavelength corresponding to corrugation periodicity.
© 2005 Optical Society of America
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1220) Diffraction and gratings : Apertures
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.7000) Instrumentation, measurement, and metrology : Transmission
A. K. Agrawal, H. Cao, and A. Nahata, " Resonantly Suppressed Terahertz Transmission through a Subwavelength Aperture Surrounded by Periodic Surface Corrugations," in Optical Terahertz Science and Technology, Technical Digest (CD) (Optical Society of America, 2005), paper MB5.
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