| Paper | Title | Page |
|---|---|---|
| TUPC104 | On Application of Cherenkov Radiation in Presence of Dispersive Anisotropic Materials to Diagnostics of Ultrarelativistic Beams | 1302 |
|
||
|
One of the main methods of diagnostics of charge particles and beams is based on application of Cherenkov radiation. The attractive idea is application of modern metamaterials for these goals. It has been noted that anisotropic dispersive materials can give some important preferences*. However imperfection of Cherenkov diagnostics is low sensibility with respect to energies of ultra-relativistic particles having large Lorentz factor. In this work, it will be shown that this limitation can be overcome with help of using special anisotropic dispersive media (they can be produced in the form of artificial metamaterials). Properties of Cherenkov radiation in the presence of such material will be analyzed. The case of unbounded material and the case of waveguide loaded with such material will be considered. It will be shown that the convenient method of determination of Lorentz factor can be based on measurement of frequencies of harmonics generated in the waveguide. This technique allows obtaining good sensibility for very large magnitudes of Lorentz factor. Other possibilities of application of anisotropic and left-handed metamaterials to beam diagnostics will be discussed as well.
*A. V. Tyukhtin, S. P. Antipov, A. Kanareykin, P. Schoessow. Proc. of PAC07, Albuquerque, NM, USA, p.4156 (2007). |