Wang M, Ganguly AK, Hirshfield JL. Observation of stimulated emission at high gyroharmonics: basis for a synchrotron resonance maser.
PHYSICAL REVIEW LETTERS 2001;
87:158301. [PMID:
11580728 DOI:
10.1103/physrevlett.87.158301]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2001] [Indexed: 05/23/2023]
Abstract
First experimental observations are reported on stimulated coherent synchrotron radiation from highly relativistic electrons in a strong magnetic field. The experiment employed a quasioptical millimeter-wave resonator and a 6-MeV electron beam gyrating in a field of up to 25 kG. Coherent radiation at 54 GHz, corresponding to the 11th gyroharmonic, was observed and characterized. These observations demonstrate the possibility of a synchrotron resonance maser.
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