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Experimental observation of cyclotron superradiance under group synchronism conditions

Ginzburg, N S and Zotova, I V and Sergeev, A S and Konoplev, I V and Phelps, A D R and Cross, A W and Cooke, S J and Shpak, V G and Yalandin, M I and Shunailov, S A and Ulmaskulov, M R (1997) Experimental observation of cyclotron superradiance under group synchronism conditions. Physical Review Letters, 78 (12). pp. 2365-2368. ISSN 0031-9007

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Abstract

Intense microwave pulses (several hundreds of kilowatts) of ultrashort duration (less than 0.5 ns) were obtained from an ensemble of electrons rotating in a uniform magnetic field. The comparison with theoretical simulations proves that this emission can be interpreted as cyclotron superradiance. The maximum radiation power was achieved under group synchronism conditions, when the electron bunch translational velocity coincides with the group velocity of the wave propagating in the waveguide.

Item type: Article
ID code: 35589
Keywords: cyclotron maser, cyclotron maser instability, cyclotron maser process, cyclotron maser radiation, superradiance, superradiant amplification, free electron masers, cyclotron superradiance, Plasma physics. Ionized gases, Physics and Astronomy(all)
Subjects: Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 07 Nov 2011 13:22
    Last modified: 05 Sep 2014 13:23
    URI: http://strathprints.strath.ac.uk/id/eprint/35589

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