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17 October 2012 Hard x-ray delay line for x-ray photon correlation spectroscopy and jitter-free pump-probe experiments at LCLS
Wojciech Roseker, Sooheyong Lee, Michael Walther, Horst Schulte-Schrepping, Hermann Franz, Amber Gray, Marcin Sikorski, Paul H. Fuoss, G. Brian Stephenson, Aymeric Robert, Gerhard Grübel
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Abstract
A hard X-ray delay line device capable of splitting single FEL X-ray pulses into two adjustable fractions and recombining them with the goal of performing X-ray Photon Correlation Spectroscopy and pump - probe type studies was designed. The performance of the device has been verified at the XPP and XCS instruments of LCLS. The measured throughput of the device at 7.9 keV is 3.6%. The coherence properties of the LCLS beam passing through the delay line were investigated by analyzing speckle patterns produced by single LCLS pulses. A high speckle contrast of 0.69 was found, indicating the feasibility of performing coherence based experiments with the delay line.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Wojciech Roseker, Sooheyong Lee, Michael Walther, Horst Schulte-Schrepping, Hermann Franz, Amber Gray, Marcin Sikorski, Paul H. Fuoss, G. Brian Stephenson, Aymeric Robert, and Gerhard Grübel "Hard x-ray delay line for x-ray photon correlation spectroscopy and jitter-free pump-probe experiments at LCLS", Proc. SPIE 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications, 85040I (17 October 2012); https://doi.org/10.1117/12.929759
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Cited by 20 scholarly publications.
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