3 May 2013 Recent development of thin diamond crystals for X-ray FEL beam-sharing
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The recent success of the X-ray Free Electron Lasers has generated great interests from the user communities of a wide range of scientific disciplines including physics, chemistry, structural biology and material science, creating tremendous demand on FEL beamtime access. Due to the serial nature of FEL operation, various beam-sharing techniques have been investigated in order to potentially increase the FEL beamtime capacity. Here we report the recent development in using thin diamond single crystals for spectrally splitting the FEL beam at the Linac Coherent Light Source, thus potentially allowing the simultaneous operation of multiple instruments. Experimental findings in crystal mounting and its thermal performance, position and pointing stabilities of the reflected beam, and impact of the crystal on the FEL transmitted beam profile are presented.
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Yiping Feng, Roberto Alonso-Mori, Vladimir Blank, Sébastien Boutet, Mathieu Chollet, Tim Brant van Driel, David M. Fritz, James M. Glownia, Jerome B. Hastings, Henrik Lemke, Marc Messerchmidt, Paul A. Montanez, Aymeric Robert, Joseph Robinson, Liubov Samoylova, Yuri Shvyd’ko, Marcin Sikorski, Harald Sinn, Sanghoon Song, Venkat N. Srinivasan, Stanislav Stoupin, Sergey Terentiev, Garth Williams, Diling Zhu, "Recent development of thin diamond crystals for X-ray FEL beam-sharing", Proc. SPIE 8778, Advances in X-ray Free-Electron Lasers II: Instrumentation, 87780B (3 May 2013); doi: 10.1117/12.1518467; https://doi.org/10.1117/12.1518467

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