ArticleIEEE transactions on nuclear science2018
Light Spread Manipulation in Scintillators Using Laser Induced Optical Barriers.
Article in IEEE transactions on nuclear science, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- A novel perspective on denoising using quantum localization with application to medical imaging.ArXiv · 2025Article
- Quantum inspired approach for denoising with application to medical imaging.Research square · 2024Article
- The quest for multifunctional and dedicated PET instrumentation with irregular geometries.Annals of nuclear medicine · 2024Review
- Resolution recovery on list mode MLEM reconstruction for dynamic cardiac SPECT system.Biomedical physics & engineering express · 2023Article
- A layered single-side readout depth of interaction time-of-flight-PET detector.Physics in medicine and biology · 2021Article
- Exploring light confinement in laser-processed LYSO:Ce for photon counting CT application.Physics in medicine and biology · 2019Article
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Authors and funding
5 authors.
Funding
Abstract
We are using the Laser Induced Optical Barriers (LIOB) technique to fabricate scintillator detectors with combined performance characteristics of the two standard detector types, mechanically pixelated arrays and monolithic crystals. This is done by incorporation of so-called optical barriers that have a refractive index lower than that of the crystal bulk. Such barriers can redirect the scintillation light and allow for control of the light spread in the detector. Previous work has shown that the LIOB technique has the potential to achieve detectors with high transversal and depth of interaction (DOI) resolution simultaneously in a single-side readout configuration, suitable for high resolution PET imaging. However, all designs studied thus far present edge effect issues similarly as in the standard detector categories. In this work we take advantage of the inherent flexibility of the LIOB technique and investigate alternative barrier patterns with the aim to address this problem. Light transport simulations of barrier patterns in LYSO:Ce, with deeper barrier walls moving towards the detector edge show great promise in reducing the edge effect, however there is a trade-off in terms of achievable DOI information. Furthermore, fabrication and characterization of a 20 mm thick LYSO:Ce detector with optical barriers forming a pattern of 1 × 1 × 20mm
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