publication . Article . 2003

Slow waves in microchannel metal waveguides and application to particle acceleration

W. D. Kimura; L. C. Steinhauer;
Open Access
  • Published: 01 Jun 2003 Journal: Physical Review Special Topics - Accelerators and Beams, volume 6 (eissn: 1098-4402, Copyright policy)
  • Publisher: American Physical Society (APS)
Abstract
Conventional metal-wall waveguides support waveguide modes with phase velocities exceeding the speed of light. However, for infrared frequencies and guide dimensions of a fraction of a millimeter, one of the waveguide modes can have a phase velocity equal to or less than the speed of light. Such a metal microchannel then acts as a slow-wave structure. Furthermore, if it is a transverse magnetic mode, the electric field has a component along the direction of propagation. Therefore, a strong exchange of energy can occur between a beam of charged particles and this slow-waveguide mode. Moreover, the energy exchange can be sustained over a distance limited only by t...
Subjects
arXiv: Physics::Optics
free text keywords: Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798, Electron, Physics, Optics, business.industry, business, Dispersion (optics), Microchannel, Waveguide, law.invention, law, Particle acceleration, Wavelength, Waveguide (electromagnetism), Atomic physics, Phase velocity
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