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          Institute: MPI für Physik     Collection: MPI für Physik     Display Documents



ID: 543078.0, MPI für Physik / MPI für Physik
The IXO Wide-Field Imager
Authors:Lechner, Peter; Aschauer, Florian; Bombelli, Luca; Fiorini, Carlo; Herrmann, Sven; Lauf, Thomas; Lutz, Gerhard; Majewski, Petra; Meuris, Aline; Porro, Matteo; Reiffers, Jonas; Richter, Rainer; Stefanescu, Alexander; Strüder, Lothar; Treis, Johannes; Vita, Giulio De
Date of Publication (YYYY-MM-DD):2010
Title of Journal:Proceedings of the Society of Photo-Optical Instrumentation Engineers
Journal Abbrev.:Proc.SPIE
Issue / Number:7742
Start Page:77420T
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:The Wide Field Imager (WFI) of the International X-ray Observatory (IXO) is an X-ray imaging spectrometer based on a large monolithic DePFET (Depleted P-channel Field Effect Transistor) Active Pixel Sensor. Filling an area of 10 × 10 cm with a format of 1024 × 1024 pixels it will cover a field of view of 18 arcmin. The pixel size of 100 × 100 mu m corresponds to a fivefold oversampling of the telescope's expected 5 arcsec point spread function. The WFI's basic DePFET structure combines the functionalities of sensor and integrated amplifier with nearly Fano-limited energy resolution and high efficiency from 100 eV to 15 keV. The development of dedicated control and amplifier ASICs allows for high frame rates up to 1 kHz and flexible readout modes. Results obtained with representative prototypes with a format of 256 × 256 pixels are presented.
Classification / Thesaurus:Semiconductor Detectors
External Publication Status:published
Document Type:Article
Communicated by:N.N.
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2010-111
URL:http://dx.doi.org/10.1117/12.857432
URL:http://publications.mppmu.mpg.de/?action=search&mp...
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