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- ID09 - White Beam Station - Time-resolved Beamline
ID09 permits time-resolved diffraction for single and poly crystals, as well as Laue diffraction. One unique feature is the intense pink beam from the in-vacuum undulator U17. The U17 is a "single-harmonic" undulator tunable between 15 and 20 keV. The raw undulator spectrum, which is asymmetric in shape, has a bandwidth of 3%. The spectrum can, if needed, be made symmetric with multilayer crystals (1-3% bw). Narrow bandwidths are also avaiable from a conventional channel-cut silicon monochromator (Si111). The chopper system can make 100 picosecond, microsecond or millisecond pulses.
[1] M. Wulff, A. Plech, L. Eybert, R. Randler, F. Schotte, P. Anfinrud, "Realisation of sub-nanosecond pump and probe experiments at the ESRF", Proceedings of the Faraday Discussion 122 (2002) 13-26.
[2] M. Cammarata, F. Ewald, L. Eybert, W. Reichenbach, M. Wulff, P. Anfinrud, F. Schotte, Q. Kong, B. Lindenau, J. Rabiger, S. Polachowski, "Chopper system for single pulse experiments with synchrotron radiation", Review of Scientific Instruments, 80 (2009) 015101-015111.