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Spatial resolution studies for the PERCIVAL sensor
DESY, Ctr Free Electron Laser Sci, D-22607 Hamburg, Germany..
DESY, Ctr Free Electron Laser Sci, D-22607 Hamburg, Germany..
DESY, Ctr Free Electron Laser Sci, D-22607 Hamburg, Germany..
DESY, D-22607 Hamburg, Germany..
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2015 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 10, C01044Article in journal (Refereed) Published
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Text
Abstract [en]

The PERCIVAL ("Pixelated Energy Resolving CMOS Imager, Versatile and Large") is a collaboration of DESY, RAL/STFC, ELETTRA, and DLS to develop a monolithic active pixel sensor (MAPS) to provide a suitable detector for photon science for the photon energy regime between 250 eV and 1 keV. An important performance parameter is the spatial resolution which can be inferred from the Modulation Transfer Function (MTF). The MTF measures in optical systems the relative contrast of a pattern in function of the spatial frequency. With a back-thinned and back- illuminated PERCIVAL prototype chip, dedicated MTF evaluation data were taken at Elettra's TwinMic Beamline in March 2014 at a photon energy of 535 eV. We will present our MTF derivation approaches together with MTF results for 3 pixel types of the irradiated test sensor.

Place, publisher, year, edition, pages
2015. Vol. 10, C01044
Keyword [en]
Solid state detectors, X-ray detectors
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:miun:diva-26543DOI: 10.1088/1748-0221/10/01/C01044ISI: 000362261900031Scopus ID: 2-s2.0-84922500231Local ID: STCOAI: oai:DiVA.org:miun-26543DiVA: diva2:883075
Available from: 2015-12-16 Created: 2015-12-16 Last updated: 2016-12-20Bibliographically approved

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Graafsma, Heinz
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Department of Electronics Design
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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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Output format
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  • text
  • asciidoc
  • rtf