The CSPAD megapixel x-ray camera at LCLS

Philip Hart; Sébastien Boutet; Gabriella Carini; Mikhail Dubrovin; Brian Duda; David Fritz; Gunther Haller; Ryan Herbst; Sven Herrmann; Chris Kenney; Nadine Kurita; Henrik Lemke; Marc Messerschmidt; Martin Nordby; Jack Pines; Don Schafer; Matt Swift; Matt Weaver; Garth Williams; Diling Zhu; Niels Van Bakel; John Morse

doi:10.1117/12.930924

15 October 2012 The CSPAD megapixel x-ray camera at LCLS

Philip Hart, Sébastien Boutet, Gabriella Carini, Mikhail Dubrovin, Brian Duda, David Fritz, Gunther Haller, Ryan Herbst, Sven Herrmann, Chris Kenney, Nadine Kurita, Henrik Lemke, Marc Messerschmidt, Martin Nordby, Jack Pines, Don Schafer, Matt Swift, Matt Weaver, Garth Williams, Diling Zhu, Niels Van Bakel, John Morse

Author Affiliations +

Proceedings Volume 8504, X-Ray Free-Electron Lasers: Beam Diagnostics, Beamline Instrumentation, and Applications; 85040C (2012) https://doi.org/10.1117/12.930924
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

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 physics^1,2. 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.

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Philip Hart, Sébastien Boutet, Gabriella Carini, Mikhail Dubrovin, Brian Duda, David Fritz, Gunther Haller, Ryan Herbst, Sven Herrmann, Chris Kenney, Nadine Kurita, Henrik Lemke, Marc Messerschmidt, Martin Nordby, Jack Pines, Don Schafer, Matt Swift, Matt Weaver, Garth Williams, Diling Zhu, Niels Van Bakel, and 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); https://doi.org/10.1117/12.930924

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