Owing to coherence effects, undulator radiation is energy-angle correlated with a quasi-monochromatic central cone of very small divergence. In correct combination, the energy-dependent responses of a filter and photodiode can aid in spatially resolving this radiation. Experience and measurements with a filter-photodiode monitor, gained over several years of monitoring radiation from the SSRL/LBL undulator on the Aladdin storage ring, are presented. Modeling of the detection process is described together with comparison to the data.
Measurements and modelling of undulator radiation with a filter-photodiode detector
FILIPPONI, Adriano
1994-01-01
Abstract
Owing to coherence effects, undulator radiation is energy-angle correlated with a quasi-monochromatic central cone of very small divergence. In correct combination, the energy-dependent responses of a filter and photodiode can aid in spatially resolving this radiation. Experience and measurements with a filter-photodiode monitor, gained over several years of monitoring radiation from the SSRL/LBL undulator on the Aladdin storage ring, are presented. Modeling of the detection process is described together with comparison to the data.File in questo prodotto:
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