PERCIVAL: The design and characterisation of a CMOS image sensor for direct detection of low-energy X-rays

B. Marsh,D. Das,I. Sedgwick,R. Turchetta,M. Bayer,J. Correa, P. Göttlicher,S. Lange, A. Marras,I. Shevyakov,S. Smoljanin, M. Viti,C. B. Wunderer, Q. Xia,M. Zimmer,G. Cautero,D. Giuressi,R. Menk, L. Stebel,H. Yousef,J. Marchal,U. Pedersen, N. Rees, N. Tartoni,H. Graafsma

2014 IEEE NUCLEAR SCIENCE SYMPOSIUM AND MEDICAL IMAGING CONFERENCE (NSS/MIC)（2014）

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摘要

Free-Electron Lasers and Synchrotrons are rapidly increasing in brilliance. This has led a requirement of large dynamic range and high frame rate sensors that is now being fulfilled by the PERCVIAL CMOS imager for direct X-ray detection developed at Rutherford Appleton Laboratory. Utilising a lateral overflow pixel and back-side illumination, PERCIVAL simultaneously achieves low-noise single-photon detection and high full well up to 107 e−, all while maintaining a frame rate of 120Hz. PERCIVAL is currently in test structure stage, and will be produced in 2 Mpixel and 13 Mpixel “waferscale” variants in 2015.

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关键词

PERCIVAL CMOS imager,direct X-ray detection,lateral overflow pixel,back-side illumination,low-noise single-photon detection

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