Enhancing timing performance of heterostructures with double-sided readout Article Swipe
Fiammetta Pagano
,
N. Kratochwil
,
Carsten Lowis
,
Woon‐Seng Choong
,
M. Paganoni
,
M. Pizzichemi
,
Joshua W. Cates
,
E. Auffray
·
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1088/1361-6560/ad7fc8
YOU?
·
· 2024
· Open Access
·
· DOI: https://doi.org/10.1088/1361-6560/ad7fc8
Objective. Heterostructured scintillators offer a promising solution to balance the sensitivity and timing in TOF-PET detectors. These scintillators utilize alternating layers of materials with complementary properties to optimize performance. However, the layering compromises time resolution due to light transport issues. This study explores double-sided readout—enabling improved light collection and Depth-of-Interaction (DOI) information retrieval—to mitigate this effect and enhance the timing capabilities of heterostructures. Approach. The time resolution and DOI performances of 3 × 3 × 20 mm 3 BGO&EJ232 heterostructures were assessed in a single and double-sided readout (SSR and DSR, respectively) configuration using high-frequency electronics. Main results. Selective analysis of photopeak events yielded a DOI resolution of 6.4 ± 0.04 mm. Notably, the Coincidence Time Resolution (CTR) improved from 262 ± 8 ps (SSR) to 174 ± 6 ps (DSR) when measured in coincidence with a fast reference detector. Additionally, symmetrical configuration of two identical heterostructures in coincidence was tested, yielding in DSR a CTR of 254 ± 8 ps for all photopeak events and 107 ± 5 ps for the fastest events. Significance. By using high-frequency double-sided readout, we could measure DOI resolution and improve the time resolution of heterostructures of up to 40%. The DOI information resulted intrinsically captured in the average between the timestamps of the two SiPMs, without requiring any further correction.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1088/1361-6560/ad7fc8
- OA Status
- hybrid
- Cited By
- 1
- References
- 36
- Related Works
- 10
- OpenAlex ID
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All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4402841379Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1088/1361-6560/ad7fc8Digital Object Identifier
- Title
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Enhancing timing performance of heterostructures with double-sided readoutWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2024Year of publication
- Publication date
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2024-09-25Full publication date if available
- Authors
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Fiammetta Pagano, N. Kratochwil, Carsten Lowis, Woon‐Seng Choong, M. Paganoni, M. Pizzichemi, Joshua W. Cates, E. AuffrayList of authors in order
- Landing page
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https://doi.org/10.1088/1361-6560/ad7fc8Publisher landing page
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YesWhether a free full text is available
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hybridOpen access status per OpenAlex
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https://doi.org/10.1088/1361-6560/ad7fc8Direct OA link when available
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Coincidence, Scintillator, Resolution (logic), Detector, Heterojunction, Physics, Timestamp, Optics, Optoelectronics, Sensitivity (control systems), Computer science, Electronic engineering, Real-time computing, Pathology, Engineering, Medicine, Alternative medicine, Artificial intelligenceTop concepts (fields/topics) attached by OpenAlex
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1Total citation count in OpenAlex
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2024: 1Per-year citation counts (last 5 years)
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10Other works algorithmically related by OpenAlex
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