Abstract
Experimental and theoretical studies of the effects of tapering and optical guiding on sideband instabilities are reported. The experiments are performed in the Columbia Raman FEL ({reversed tilde equals} 2 mm). Experiment shows sizeable reductions in sideband amplitudes in an efficiency-enhanced undulator. In the presence of optical guiding in a constant-period undulator, the sideband shift is larger compared with the case when optical guiding does not occur.
Original language | English (US) |
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Pages (from-to) | 158-162 |
Number of pages | 5 |
Journal | Nuclear Inst. and Methods in Physics Research, A |
Volume | 285 |
Issue number | 1-2 |
DOIs | |
State | Published - Dec 10 1989 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Nuclear and High Energy Physics
- Instrumentation