Convergent Cherenkov Radiation from Dielectric Targets

S.N. Galyamin, E.S. Belonogaya, A.V. Tyukhtin, V.V. Vorobev

Research output


Dielectric targets that concentrate Cherenkov radiation (CR) are presented. We suppose that CR is produced by a small bunch moving along the axis of cylindrical channel inside targets. The first case is a part of cone that concentrates CR near the line being the symmetry axis of the target. The second case is the target with hyperbolic profile that concentrates CR in a small vicinity of given point (focus). Ray optics laws and aperture integration method are used for the calculation of the field. We show that the hyperbolic concentrator working at terahertz frequencies can increase the field at least up to two orders in comparison with that on the surface of the target.
Original languageEnglish
Title of host publicationProceedings of the 5th International Particle Accelerator Conference (IPAC’14), Dresden, Germany
Publication statusPublished - 2014

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