Szczegóły publikacji
Opis bibliograficzny
Pattern Recognition algorithm for charge sharing compensation in single photon counting pixel detectors / P. OTFINOWSKI, A. KRZYŻANOWSKA, P. GRYBOŚ, R. SZCZYGIEŁ // Journal of Instrumentation [Dokument elektroniczny]. — Czasopismo elektroniczne ; ISSN 1748-0221. — 2019 — vol. 14 art. no. C01017, s. [1–2], 1–8. — Wymagania systemowe: Adobe Reader. — Bibliogr. s. 7–8, Abstr. — Publikacja dostępna online od: 2019-01-17. — 20th international workshop on Radiation imaging detectors : 24–28 June 2018, Sundsvall, Sweden
Autorzy (4)
Słowa kluczowe
Dane bibliometryczne
| ID BaDAP | 119647 |
|---|---|
| Data dodania do BaDAP | 2019-02-08 |
| Tekst źródłowy | URL |
| DOI | 10.1088/1748-0221/14/01/C01017 |
| Rok publikacji | 2019 |
| Typ publikacji | referat w czasopiśmie |
| Otwarty dostęp |  |
| Czasopismo/seria | Journal of Instrumentation |
Abstract
Thanks to the detector technology development based on high Z materials (GaAs, CdTe, CZT, etc.), the hybrid pixel detectors with direct photon-to-charge conversion become more and more popular, even in medical applications. Single photon counting systems aim at good position resolution, so making a pixel size smaller is a general tendency in such systems. However, for the detectors with pixel pitch of about 100 µm charge division effect becomes visible and it affects up to 20–30% of all interactions, depending on detector thickness and bias voltage. For the smaller pixel size this effect is even more pronounced. In this article we propose a new algorithm for charge sharing compensation — the Multithreshold Pattern Recognition algorithm. The algorithm was implemented in a readout circuit of pixel architecture with four energy thresholds, designed for operation with wide energy-range X-ray radiation. The simulation results and implementation details are presented in this paper.
