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  Characterization of a 256 x 256 pixel DEPFET detector for the WFI of Athena

Treberspurg, W., Andritschke, R., Behrens, A., Bonholzer, M., Emberger, V., Hauser, G., et al. (2019). Characterization of a 256 x 256 pixel DEPFET detector for the WFI of Athena. Nuclear Instruments and Methods in Physics Research Section A, 958: 162555. doi:10.1016/j.nima.2019.162555.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-4FA6-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-4FA7-6
Genre: Journal Article

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Characterization of a 256 × 256 pixel DEPFET detector for the WFI of Athena.pdf (Any fulltext), 876KB
 
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Treberspurg, W.1, Author              
Andritschke, R.1, Author              
Behrens, A.1, Author              
Bonholzer, M.1, Author              
Emberger, V.1, Author              
Hauser, G1, Author              
Lechner, P., Author
Meidinger, N.1, Author              
Müller-Seidlitz, J.1, Author              
Affiliations:
1High Energy Astrophysics, MPI for Extraterrestrial Physics, Max Planck Society, ou_159890              

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 Abstract: The Wide Field Imager (WFI) instrument is one of two complementary focal plane cameras on ESA's next large class X-ray astronomy mission Athena. It is coupled to a high performance X-ray mirror to provide an unprecedented survey power by combining a large field of view with an excellent count rate capability. The required spectral performance, sensitive area and readout timing necessitated the development of specific DEFPET detectors. In the course of the technology development phase of the project, different options of prototype detectors were fabricated and investigated. As a result, a new generation of spectroscopic X-ray DEPFET detectors was developed for the flight production. Those detectors will feature a linear gate layout, thin gate oxide fabrication technology and a drain current readout. In this paper, we present the detailed characterization of a prototype detector covering a large sensitive area of 256 x 256 pixels. Due to the progress in the detector development an energy resolution as low as 128 eV FWHM at 6 keV was obtained.

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Language(s): eng - English
 Dates: 2019-08-12
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1016/j.nima.2019.162555
Other: LOCALID: 3223020
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Title: Nuclear Instruments and Methods in Physics Research Section A
  Other : Nucl. Instrum. Methods Phys. Res. A
Source Genre: Journal
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Publ. Info: North-Holland
Pages: - Volume / Issue: 958 Sequence Number: 162555 Start / End Page: - Identifier: ISSN: 0168-9002
CoNE: https://pure.mpg.de/cone/journals/resource/954925485716