Coherent radiation of relativistic electrons in metamaterials based on the SRR/wire-grid unit cell in millimeter wavelength range

Abstract

In this report, the experimental investigation of the interaction of relativistic electron beam electromagnetic field with a metamaterial is presented. Used metamaterial target represents the right triangular prism. The unit cell of studied target consists of split-ring resonator (SRR) and wire. Size of the unit cell is 3. mm. The measurements were conducted in millimeter wavelength range in far field zone on relativistic electron beam with energy of 6. MeV. The measured angular dependencies show that the radiation, generated by the electron bunches moving near the target, is observed in the backward semi-sphere. In approximation of scalar refractive index, obtained result can be interpreted as a reversed Cherenkov radiation.

Original language	English
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
DOIs	https://doi.org/10.1016/j.nimb.2017.03.011
Publication status	Accepted/In press - 9 Dec 2016

Keywords

Cherenkov radiation
Metamaterials
Millimeter wave

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Soboleva, V. V., Naumenko, G. A., Bleko, V. V., & Potylitsyn, A. P. (Accepted/In press). Coherent radiation of relativistic electrons in metamaterials based on the SRR/wire-grid unit cell in millimeter wavelength range. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms. https://doi.org/10.1016/j.nimb.2017.03.011

Coherent radiation of relativistic electrons in metamaterials based on the SRR/wire-grid unit cell in millimeter wavelength range. / Soboleva, V. V.; Naumenko, G. A.; Bleko, V. V.; Potylitsyn, A. P.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, 09.12.2016.

Research output: Contribution to journal › Article › peer-review

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AU - Potylitsyn, A. P.

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AB - In this report, the experimental investigation of the interaction of relativistic electron beam electromagnetic field with a metamaterial is presented. Used metamaterial target represents the right triangular prism. The unit cell of studied target consists of split-ring resonator (SRR) and wire. Size of the unit cell is 3. mm. The measurements were conducted in millimeter wavelength range in far field zone on relativistic electron beam with energy of 6. MeV. The measured angular dependencies show that the radiation, generated by the electron bunches moving near the target, is observed in the backward semi-sphere. In approximation of scalar refractive index, obtained result can be interpreted as a reversed Cherenkov radiation.

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