The spacing between the holes in this metal film determines the wavelength of terahertz radiation that passes through.
Credit: Tatsunosuke Matsui, University of Utah
New publications, experiments and breakthroughs in information technology--and what they mean.
Filtering Terahertz Frequencies
A new type of filter could make extremely fast wireless communication devices possible
Source: "Transmission Resonances through Aperiodic Arrays of Subwavelength Apertures"
Tatsunosuke Matsui et al.
Nature 446: 517-521
Results: Researchers at the University of Utah have designed a perforated stainless-steel film that restricts the frequencies of terahertz radiation passing through it. In effect, the film is a simple terahertz filter, a potential precursor to terahertz communication devices.
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