Experimental observation of Cherenkov superradiance from an intense electron bunch
Ginzburg, N S and Sergeev, A S and Novozhilova, Y V and Zotova, I V and Rosenthal, R M and Phelps, A D R and Cross, A W and Aitken, P and Shpak, V G and Yalandin, M I and Shunailov, S A and Ulmaskulov, M R (2000) Experimental observation of Cherenkov superradiance from an intense electron bunch. Optics Communications, 175 (1-3). pp. 139-146. ISSN 0030-4018
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Experimental results are presented of the observation of stimulated Cherenkov radiation when intense subnanosecond electron bunches were moving through a dielectric-loaded waveguide. The ultrashort duration microwave pulses (up to 400 ps which is equivalent to similar to 10 periods of the radiation) in combination with specific dependencies of peak microwave power on interaction length demonstrate that this emission can be interpreted as coherent superradiant (SR) emission. The peak power associated with the SR emission was similar to 1-2 MW. The spectrum of radiation belongs to the frequency range 38-48 GHz. The experimental results are compared with theoretical analyses.
| Author(s): | Ginzburg, N S, Sergeev, A S, Novozhilova, Y V, Zotova, I V, Rosenthal, R M, Phelps, A D R, Cross, A W, Aitken, P, Shpak, V G, Yalandin, M I, Shunailov, S A and Ulmaskulov, M R | Item type: | Article |
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| ID code: | 35599 |
| Keywords: | cyclotron superradiance, lasers, oscillators, millimeter, emission, Plasma physics. Ionized gases, Optics. Light, Physical and Theoretical Chemistry, Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering |
| Subjects: | Science > Physics > Plasma physics. Ionized gases Science > Physics > Optics. Light |
| Department: | Faculty of Science > Physics |
| Depositing user: | Pure Administrator |
| Date deposited: | 07 Nov 2011 13:36 |
| Last modified: | 03 Jan 2019 13:10 |
| URI: | https://strathprints.strath.ac.uk/id/eprint/35599 |
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