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On the Charge Collection Efficiency of the PERCIVAL Detector
DESY (Deutsches Elektronensynchrotron), Germany; CFEL (Center for Free-Electron Laser Science), Germany.
DESY (Deutsches Elektronensynchrotron), Germany; CFEL (Center for Free-Electron Laser Science), Germany.
DESY (Deutsches Elektronensynchrotron), Germany; CFEL (Center for Free-Electron Laser Science), Germany.
DESY (Deutsches Elektronensynchrotron), Germany.
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2016 (Engelska)Ingår i: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 11, nr 12, artikel-id C12032Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The PERCIVAL soft X-ray imager is being developed by DESY, RAL, Elettra, DLS, and PAL to address the challenges at high brilliance Light Sources such as new-generation Synchrotrons and Free Electron Lasers. Typical requirements for detector systems at these sources are high frame rates, large dynamic range, single-photon counting capability with low probability of false positives, high quantum efficiency, and (multi)-mega-pixel arrangements. PERCIVAL is a monolithic active pixel sensor, based on CMOS technology. It is designed for the soft X-ray regime and, therefore, it is post-processed in order to achieve high quantum efficiency in its primary energy range (250 eV to 1 keV) . This work will report on the latest experimental results on charge collection efficiency obtained for multiple back-side-illuminated test sensors during two campaigns, at the P04 beam-line at PETRA III, and the CiPo beam-line at Elettra, spanning most of the primary energy range as well as testing the performance for photon-energies below 250 eV . In addition, XPS surface analysis was used to cross-check the obtained results.

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2016. Vol. 11, nr 12, artikel-id C12032
Nyckelord [en]
Instrumentation for FEL, Solid state detectors, X-ray detectors
Nationell ämneskategori
Teknik och teknologier
Identifikatorer
URN: urn:nbn:se:miun:diva-29843DOI: 10.1088/1748-0221/11/12/C12032Scopus ID: 2-s2.0-85008186365Lokalt ID: STCOAI: oai:DiVA.org:miun-29843DiVA, id: diva2:1063386
Konferens
18th International Workshop on Radiation Imaging Detectors, 3-7 July 2016, Barcelona, Spain (iWoRiD 2016)
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Published 15 December 2016

Tillgänglig från: 2017-01-10 Skapad: 2017-01-10 Senast uppdaterad: 2017-06-29Bibliografiskt granskad

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Reza, SalimGraafsma, Heinz

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