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The Medipix3RX: a high resolution, zero dead-time pixel detector readout chip allowing spectroscopic imaging
Cern. (Medipix)
Cern. (Medipix)
Cern. (Medipix)
FMF Frieburg.
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2013 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 8, no 2, p. C02016-Article in journal (Refereed) Published
Abstract [en]

The Medipix3 chips have been designed to permit spectroscopic imaging in highly segmented hybrid pixel detectors. Spectral degradation due to charge sharing in the sensor has been addressed by means of an architecture in which adjacent pixels communicate in the analog and digital domains on an event-by-event basis to reconstruct the deposited charge in a neighbourhood prior to the assignation of the hit to a single pixel. The Medipix3RX chip architecture is presented. The first results for the characterization of the chip with 300 μm thick Si sensors are given. ~ 72e− r.m.s. noise and ~ 40e− r.m.s. of threshold dispersion after chip equalization have been measured in Single Pixel Mode of operation. The homogeneity of the image in Charge Summing mode is comparable to the Single Pixel Mode image. This demonstrates both modes are suitable for X-ray imaging applications.

Place, publisher, year, edition, pages
2013. Vol. 8, no 2, p. C02016-
Keywords [en]
Electronic detector readout concepts (solid-state) Analogue electronic circuits Digital electronic circuits
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:miun:diva-21130DOI: 10.1088/1748-0221/8/02/C02016OAI: oai:DiVA.org:miun-21130DiVA, id: diva2:690483
Available from: 2014-01-23 Created: 2014-01-23 Last updated: 2017-12-06Bibliographically approved
In thesis
1. Hybrid pixel detectors: Characterization and optimization
Open this publication in new window or tab >>Hybrid pixel detectors: Characterization and optimization
2015 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mid Sweden University, 2015. p. 209
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 228
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
urn:nbn:se:miun:diva-26794 (URN)STC (Local ID)978-91-88025-37-1 (ISBN)STC (Archive number)STC (OAI)
Public defence
2015-09-08, O102, Sundsvall, 13:00 (English)
Supervisors
Note

Vid tidpunkten för disputationen var följande delarbete opublicerat: delarbete 8 inskickat.

At the time of the doctoral defence the following paper was unpublished: paper 8 submitted.

Available from: 2016-01-04 Created: 2016-01-04 Last updated: 2018-09-10Bibliographically approved

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Fröjdh, Erik

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