15 October 2012 The CSPAD megapixel x-ray camera at LCLS
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The Linear Coherent Light Source (LCLS), a free electron laser operating from 250eV to10keV at 120Hz, is opening windows on new science in biology, chemistry, and solid state, atomic, and plasma physics1,2. The FEL provides coherent x-rays in femtosecond pulses of unprecedented intensity. This allows the study of materials on up to 3 orders of magnitude shorter time scales than previously possible. Many experiments at the LCLS require a detector that can image scattered x-rays on a per-shot basis with high efficiency and excellent spatial resolution over a large solid angle and both good S/N (for single-photon counting) and large dynamic range (required for the new coherent x-ray diffractive imaging technique3). The Cornell-SLAC Pixel Array Detector (CSPAD) has been developed to meet these requirements. SLAC has built, characterized, and installed three full camera systems at the CXI and XPP hutches at LCLS. This paper describes the camera system and its characterization and performance.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philip Hart, Philip Hart, Sébastien Boutet, Sébastien Boutet, Gabriella Carini, Gabriella Carini, Mikhail Dubrovin, Mikhail Dubrovin, Brian Duda, Brian Duda, David Fritz, David Fritz, Gunther Haller, Gunther Haller, Ryan Herbst, Ryan Herbst, Sven Herrmann, Sven Herrmann, Chris Kenney, Chris Kenney, Nadine Kurita, Nadine Kurita, Henrik Lemke, Henrik Lemke, Marc Messerschmidt, Marc Messerschmidt, Martin Nordby, Martin Nordby, Jack Pines, Jack Pines, Don Schafer, Don Schafer, Matt Swift, Matt Swift, Matt Weaver, Matt Weaver, Garth Williams, Garth Williams, Diling Zhu, Diling Zhu, Niels Van Bakel, Niels Van Bakel, John Morse, John Morse, "The CSPAD megapixel x-ray camera at LCLS", Proc. SPIE 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications, 85040C (15 October 2012); doi: 10.1117/12.930924; https://doi.org/10.1117/12.930924


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