Superluminal terahertz pulses
Wynne, K. and Jaroszynski, D.A. (1999) Superluminal terahertz pulses. Optics Letters, 24 (1). pp. 25-27. ISSN 0146-9592 (http://dx.doi.org/10.1364/OL.24.000025)
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In femtosecond terahertz-pulse (T-ray) imaging of metal structures with dimensions of the order of the wavelength, it is observed that the T rays propagate faster than the vacuum speed of light. In the case of apertures this can be understood as a waveguide effect in which superluminal velocities are expected close to the cutoff frequency. However, the effect is also observed close to knife edges and in propagation past thin metal wires.
ORCID iDs
Wynne, K.

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Item type: Article ID code: 17532 Dates: DateEvent1 January 1999PublishedKeywords: femtosecond terahertz-pulse, T-ray, metal structures, wavelength, speed of light, superluminal velocities, Physics, Atomic and Molecular Physics, and Optics Subjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Strathprints Administrator Date deposited: 27 Apr 2010 09:05 Last modified: 01 Nov 2023 09:31 URI: https://strathprints.strath.ac.uk/id/eprint/17532
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