High-rate, high-resolution single photon X-ray imaging: Medipix4, a large 4-side buttable pixel readout chip with high granularity and spectroscopic capabilities

V. Sriskaran; J. Alozy; R. Ballabriga; M. Campbell; P. Christodoulou; E. Heijne; A. Koukab; T. Kugathasan; X. Llopart; M. Piller; A. Pulli; J. M. Sallese; L. Tlustos

doi:10.1088/1748-0221/19/02/P02024

High-rate, high-resolution single photon X-ray imaging: Medipix4, a large 4-side buttable pixel readout chip with high granularity and spectroscopic capabilities

V. Sriskaran, J. Alozy, R. Ballabriga, M. Campbell^*, P. Christodoulou, E. Heijne, A. Koukab, T. Kugathasan, X. Llopart, M. Piller, A. Pulli, J. M. Sallese, L. Tlustos

^*Corresponding author for this work

Institute of Electronics (4390)

Research output: Contribution to journal › Article › peer-review

Abstract

The Medipix4 chip is the latest member in the Medipix/Timepix family of hybrid pixel detector chips aimed at high-rate spectroscopic X-ray imaging using high-Z materials. It can be tiled on all 4 sides making it ideal for constructing large-area detectors with minimal dead area. The chip is designed to read out a sensor of 320 × 320 pixels with dimensions of 75 μm× 75 μm or 160 × 160 pixels with dimensions of 150 μm× 150 μm. The readout architecture features energy binning of the single photons, which includes charge sharing correction for hits with energy spread over adjacent pixels. This paper presents the specifications, architecture, and circuit implementation of the chip, along with the first electrical measurements.

Original language	English
Article number	P02024
Journal	Journal of Instrumentation
Volume	19
Issue number	2
DOIs	https://doi.org/10.1088/1748-0221/19/02/P02024
Publication status	Published - 1 Feb 2024

Keywords

Analogue electronic circuits
Digital electronic circuits
Front-end electronics for detector readout
Hybrid detectors

ASJC Scopus subject areas

Instrumentation
Mathematical Physics

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10.1088/1748-0221/19/02/P02024Licence: CC BY 4.0

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Sriskaran, V., Alozy, J., Ballabriga, R., Campbell, M., Christodoulou, P., Heijne, E., Koukab, A., Kugathasan, T., Llopart, X., Piller, M., Pulli, A., Sallese, J. M., & Tlustos, L. (2024). High-rate, high-resolution single photon X-ray imaging: Medipix4, a large 4-side buttable pixel readout chip with high granularity and spectroscopic capabilities. Journal of Instrumentation, 19(2), Article P02024. https://doi.org/10.1088/1748-0221/19/02/P02024

Sriskaran, V, Alozy, J, Ballabriga, R, Campbell, M, Christodoulou, P, Heijne, E, Koukab, A, Kugathasan, T, Llopart, X, Piller, M, Pulli, A, Sallese, JM & Tlustos, L 2024, 'High-rate, high-resolution single photon X-ray imaging: Medipix4, a large 4-side buttable pixel readout chip with high granularity and spectroscopic capabilities', Journal of Instrumentation, vol. 19, no. 2, P02024. https://doi.org/10.1088/1748-0221/19/02/P02024

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abstract = "The Medipix4 chip is the latest member in the Medipix/Timepix family of hybrid pixel detector chips aimed at high-rate spectroscopic X-ray imaging using high-Z materials. It can be tiled on all 4 sides making it ideal for constructing large-area detectors with minimal dead area. The chip is designed to read out a sensor of 320 × 320 pixels with dimensions of 75 μm× 75 μm or 160 × 160 pixels with dimensions of 150 μm× 150 μm. The readout architecture features energy binning of the single photons, which includes charge sharing correction for hits with energy spread over adjacent pixels. This paper presents the specifications, architecture, and circuit implementation of the chip, along with the first electrical measurements.",

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AU - Heijne, E.

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High-rate, high-resolution single photon X-ray imaging: Medipix4, a large 4-side buttable pixel readout chip with high granularity and spectroscopic capabilities

Abstract

Keywords

ASJC Scopus subject areas

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