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Proceedings Paper

Developing a platform for high-resolution phase contrast imaging of high pressure shock waves in matter
Author(s): Andreas Schropp; Jens Patommel; Frank Seiboth; Brice Arnold; Eric C. Galtier; Hae Ja Lee; Bob Nagler; Jerome B. Hastings; Christian G. Schroer
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Paper Abstract

Current and upcoming X-ray sources, such as the Linac Coherent Light Source (LCLS) at the Stanford Linear Accelerator Center (SLAC, USA), the SPring-8 Angstrom Compact Free Electron Laser (SACLA, Japan), or the X-ray Free Electron Laser (XFEL, Germany) will provide X-ray beams with outstanding properties.1, 2 Short and intense X-ray pulses of about 50 fs time duration and even shorter will push X-ray science to new frontiers such as, e. g., in high-resolution X-ray imaging, high-energy-density physics or in dynamical studies based on pump-probe techniques.

Fast processes in matter often require high-resolution imaging capabilities either by magnified imaging in direct space or diffractive imaging in reciprocal space. In both cases highest resolutions require focusing the X-ray beam.3, 4 In order to further develop high-resolution imaging at free-electron laser sources we are planning a platform to carry out high-resolution phase contrast imaging experiments based on Beryllium compound refractive X-ray lenses (Be-CRLs) at the Matter in Extreme Conditions (MEC) endstation of the LCLS. The instrument provides all necessary equipment to induce high pressure shock waves by optical lasers. The propagation of a shock wave is then monitored with an X-ray Free Electron Laser (FEL) pulse by magnified phase contrast imaging. With the CRL optics, X-ray beam sizes in the sub-100nm range are expected, leading to a similar spatial resolution in the direct coherent projection image. The experiment combines different state-of-the art scientific techniques that are currently available at the LCLS. In this proceedings paper we describe the technical developments carried out at the LCLS in order to implement magnified X-ray phase contrast imaging at the MEC endstation.

Paper Details

Date Published: 17 October 2012
PDF: 7 pages
Proc. SPIE 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications, 85040F (17 October 2012); doi: 10.1117/12.929882
Show Author Affiliations
Andreas Schropp, Technische Univ. Dresden (Germany)
SLAC National Accelerator Lab. (United States)
Jens Patommel, Technische Univ. Dresden (Germany)
Frank Seiboth, Technische Univ. Dresden (Germany)
Brice Arnold, SLAC National Accelerator Lab. (United States)
Eric C. Galtier, SLAC National Accelerator Lab. (United States)
Hae Ja Lee, SLAC National Accelerator Lab. (United States)
Bob Nagler, SLAC National Accelerator Lab. (United States)
Jerome B. Hastings, SLAC National Accelerator Lab. (United States)
Christian G. Schroer, Technische Univ. Dresden (Germany)


Published in SPIE Proceedings Vol. 8504:
X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications
Stefan P. Moeller; Makina Yabashi; Stefan P. Hau-Riege, Editor(s)

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