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Percival: A soft x-ray imager for synchrotron rings and free electron lasers

DOI: 10.1063/1.5084691 DOI Help

Authors: Alessandro Marras (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Cornelia Wunderer (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Jonathan Correa (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Benjamin Boitrelle (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL); SOLEIL Synchrotron) , Peter Goettlicher (Deutsches Elektronen-Synchrotron (DESY)) , Manuela Kuhn (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Frantisek Krivan (Deutsches Elektronen-Synchrotron (DESY)) , Sabine Lange (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Frank Okrent (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL)) , Igor Shevyakov (Deutsches Elektronen-Synchrotron (DESY)) , Joshua Supra (Deutsches Elektronen-Synchrotron (DESY)) , Maximilian Tennert (Deutsches Elektronen-Synchrotron (DESY)) , Manfred Zimmer (Deutsches Elektronen-Synchrotron (DESY)) , Niccola Guerrini (Science & Technology Faculties (STFC); Rutherford Appleton Laboratory (RAL)) , Ben Marsh (Science & Technology Faculties (STFC); Rutherford Appleton Laboratory (RAL)) , Iain Sedgwick (Science & Technology Faculties (STFC); Rutherford Appleton Laboratory (RAL)) , Giuseppe Cautero (ELETTRA Sincrotrone Trieste) , Dario Giuressi (ELETTRA Sincrotrone Trieste) , Anastasya Khromova (Elettra Sincrotrone Trieste) , Ralf Menk (ELETTRA Sincrotrone Trieste) , Giovanni Pinaroli (ELETTRA Sincrotrone Trieste; Udine University) , Luigi Stebel (ELETTRA Sincrotrone Trieste) , Alan Greer (Diamond Light Source) , Tim Nicholls (Center for Free Electron Laser Science (CFEL)) , Ulrik Pedersen (Diamond Light Source) , Nicola Tartoni (Diamond Light Source) , Hyo Jung Hyun (SOLEIL Synchrotron) , Kyung Sook Kim (SOLEIL Synchrotron) , Seung Yu Rah (SOLEIL Synchrotron) , Heinz Graafsma (Deutsches Elektronen-Synchrotron (DESY); Center for Free Electron Laser Science (CFEL); Mid-Sweden University)
Co-authored by industrial partner: No

Type: Conference Paper
Conference: Proceedings of the 13th International Conference on Synchrotron Radiation Instrumentation – SRI2018
Peer Reviewed: No

State: Published (Approved)
Published: January 2019

Abstract: In this paper, we are presenting the Percival detector, a monolithic CMOS Imager for detection of soft x-rays in Synchrotron Rings and Free Electron Lasers. The imager consists in a 2D array of many (2M) small (27um pitch) pixels, without dead or blind zones in the imaging area. The imager achieves low noise and high dynamic range by means of an adaptive-gain in-pixel circuitry, that has been validated on prototypes. The imager features on-chip Analogue-to-Digital conversion to 12+1 bits, and has a readout speed which is compatible with most of Free Electron Laser Facilities. For direct detection of low-energy x-rays, the imager is back-illuminated and post-processed to achieve 100% fill factor.

Journal Keywords: X-ray imager; Synchrotrons; Free electron lasers

Subject Areas: Technique Development


Technical Areas: Detectors