C. Bovet, A. Burns, F. Méot, M. Placidi, E. Rossa, J. de Vries
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Synchrotron radiation interferences between small dipoles at LEP
Synchrotron radiation interferences between small dipoles in the very low (visible) frequency range have been studied at the LEP diagnostic mini-wiggler. Their understanding allowed a substantial brightness gain by adequate layout modifications. The phenomenon is described analytically in terms of time coherence effects. This serves as a basis for further detailed numerical simulations of the experiment by means of stepwise ray-tracing, and allows precise interpretation of the spectral, polarization and intensity measurements collected at LEP. It also provides guidelines for SR diagnostic at the injection energy in LHC.