The Medipix3RX: a high resolution, zero dead-time pixel detector readout chip allowing spectroscopic imaging
- NázevTitle
- The Medipix3RX: a high resolution, zero dead-time pixel detector readout chip allowing spectroscopic imagingThe Medipix3RX: a high resolution, zero dead-time pixel detector readout chip allowing spectroscopic imaging
- Druh výsledkuResult type
- Článek v časopiseJournal article
- AutořiAuthors
- R. Ballabriga, J. Alozy, G. Blaj, M. Campbell, M. Fiederle, E. Frojdh, H. Heijne, X. Llopart, M. Pichotka, S. Procz, L. Tlustos, W. Wong
- Klíčová slovaKeywords
- pixel detector, Medipix, spectroscopic imaging, readout chip, sensor degradation
- KonferenceConference
- 14th International Workshop on Radiation Imaging Detectors (Figueira da Foz, Portugal, 2012-07-01)
- DOIDOI
- 10.1088/1748-0221/8/02/C02016
- Časopis / citaceJournal / citation
- Journal of Instrumentation 8(02), C02016-C02016 (2013) · ISSN 1748-0221
- RokYear
- 2013
- JazykLanguage
- eng
- ZáznamyRecords
- ProjektProject
- Institucionální podpora na rozvoj výzkumné org.Institucionální podpora na rozvoj výzkumné org.
- CitovánoCited by
- 53 (INSPIRE-HEP)
- Plný text (open access)Full text (open access)
- https://iopscience.iop.org/article/10.1088/1748-0221/8/02/C02016/pdf
- Citace ke staženíDownload citation
- TXT · BibTeX
AbstraktAbstract
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. Similar to 72e- r.m.s. noise and similar to 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.
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. Similar to 72e- r.m.s. noise and similar to 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.