| Issue |
Europhys. Lett.
Volume 38, Number 1, April 1997
|
|
|---|---|---|
| Page(s) | 25 - 30 | |
| Section | Classical areas of phenomenology | |
| DOI | https://doi.org/10.1209/epl/i1997-00530-3 | |
| Published online | 01 September 2002 | |
Radiation from a quasi-periodically modulated electron beam
Department of Electrical Engineering and Electronics, University of Liverpool, Liverpool L69 3GJ, UK
Received:
21
October
1996
Accepted:
21
February
1997
Radiation from a quasi-periodically modulated electron beam
is studied using number theory.
The quasi-periodic modulation
consists of two different sinusoidal signals
at frequencies 
and 
.
An electron beam with such a modulation
radiates at a third frequency, 
.
It is shown that
the electron radiation is dominated by an interaction
among these three frequencies
and the radiation frequency
may be different from any integral multiple
of either modulation frequency.
PACS: 41.60.-m – Radiation by moving charges / 41.85.Ew – Beam profile, beam intensity
© EDP Sciences, 1997
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