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Proceedings Paper

Evidence for millimeter-wave coherent emission from the NSLS VUV ring
Author(s): G. Lawrence Carr; Ricardo P. S. M. Lobo; J. D. LaVeigne; David H. Reitze; David B. Tanner; Stephen L. Kramer; James B. Murphy
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Paper Abstract

Coherent synchrotron radiation from the NSLS VUV ring has been detected and partially characterized. The observations have been performed at the new far infrared beamline U12IR. The coherent radiation is peaked near a wavelength of 7 mm and occurs in short duration bursts. The bursts occur only when the electron beam current (I) exceeds a threshold value (Ith), which itself varies with ring operating conditions. Beyond threshold, the average intensity of the emission is found to increase as (I-Ith)2. The coherent emission implies micro-bunching of the electron beam due to a longitudinal instability.

Paper Details

Date Published: 25 October 1999
PDF: 7 pages
Proc. SPIE 3775, Accelerator-based Sources of Infrared and Spectroscopic Applications, (25 October 1999); doi: 10.1117/12.366632
Show Author Affiliations
G. Lawrence Carr, Brookhaven National Lab. (United States)
Ricardo P. S. M. Lobo, Univ. of Florida (France)
J. D. LaVeigne, Univ. of Florida (United States)
David H. Reitze, Univ. of Florida (United States)
David B. Tanner, Univ. of Florida (United States)
Stephen L. Kramer, Brookhaven National Lab. (United States)
James B. Murphy, Brookhaven National Lab. (United States)

Published in SPIE Proceedings Vol. 3775:
Accelerator-based Sources of Infrared and Spectroscopic Applications
G. Lawrence Carr; Paul Dumas, Editor(s)

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