Journal
JOURNAL OF INSTRUMENTATION
Volume 12, Issue -, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/12/05/P05024
Keywords
Beam-line instrumentation (beam position and profile monitors beam-intensity monitors bunch length monitors); Instrumentation for FEL
Categories
Funding
- EU Research and Innovation programme under NFFA-Europe [654360]
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SwissFEL requires the monitoring of the photon spectral distribution at a repetition rate of 100 Hz for machine optimization and experiment online diagnostics. The Photon Single Shot Spectrometer has been designed for the photon energy range of 4 keV to 12 keV provided by the Aramis beamline. It is capable of measuring the spectrum in a non-destructive manner, with an energy resolution of Delta E/E = (2-5) x 10(-5) over a bandwidth of 0.5% on a shot-to-shot basis. This article gives a detailed description about the technical challenges, structures, and considerations when building such a device, and to further enhance the performance of the spectrometer.
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