{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T07:01:40Z","timestamp":1790233300450,"version":"4.1.0"},"reference-count":49,"publisher":"IOP Publishing","issue":"18","license":[{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T00:00:00Z","timestamp":1790208000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"NIH","award":["R01 EB031961"],"award-info":[{"award-number":["R01 EB031961"]}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Phys. Med. Biol."],"published-print":{"date-parts":[[2026,9,28]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    <jats:italic>Objective.<\/jats:italic>\n                    Continuous resistive layer position-sensitive silicon photomultiplier (CRL PS-SiPM) is a class of position-sensitive SiPMs developed for the readout of fine-pitch scintillator crystal arrays. This study aimed to evaluate the performance of dual-ended readout positron emission tomography (PET) detectors based on CRL PS-SiPMs and 0.5 mm pitch LYSO arrays.\n                    <jats:italic>Approach.<\/jats:italic>\n                    A dual-ended readout detector was constructed by coupling two CRL PS-SiPMs to both ends of a 10 \u00d7 10 array of polished LYSO elements, each measuring 0.44 \u00d7 0.44 \u00d7 20 mm\n                    <jats:sup>3<\/jats:sup>\n                    . Each CRL PS-SiPM had an active area of 6.24 \u00d7 6.24 mm\n                    <jats:sup>2<\/jats:sup>\n                    and was fabricated using 20\n                    <jats:italic>\u00b5<\/jats:italic>\n                    m microcells. Detector performance, including flood histogram quality, energy resolution, and coincidence timing resolution (CTR), was characterized at bias voltages ranging from 30.0 to 33.0 V in 0.5 V increments, and at 3\n                    <jats:bold>\u00b0<\/jats:bold>\n                    C, 14\n                    <jats:bold>\u00b0<\/jats:bold>\n                    C, and 24\n                    <jats:bold>\u00b0<\/jats:bold>\n                    C. Depth-of-interaction (DOI) resolution was evaluated at the optimal bias voltage determined from the flood histogram and at all three temperatures.\n                    <jats:italic>Main results.<\/jats:italic>\n                    Temperature had a negligible effect on detector performance, indicating that CRL PS-SiPMs are practical photodetector candidates for high spatial resolution PET scanners. All LYSO crystals were clearly resolved in the flood histograms. At 24\n                    <jats:bold>\u00b0<\/jats:bold>\n                    C and a bias voltage of 32.5 V, which provided the best flood histogram, the average energy resolution, CTR, and DOI resolution across all crystals were 22.7 \u00b1 3.4%, 1152 \u00b1 43 ps, and 1.78 \u00b1 0.20 mm, respectively.\n                    <jats:italic>Significance.<\/jats:italic>\n                    These results demonstrate that CRL PS-SiPMs are promising photodetectors for high spatial resolution PET applications, particularly for systems requiring detectors with sub-millimeter pitch scintillator crystal arrays and DOI capability.\n                  <\/jats:p>","DOI":"10.1088\/1361-6560\/ae9a28","type":"journal-article","created":{"date-parts":[[2026,8,14]],"date-time":"2026-08-14T22:52:54Z","timestamp":1786747974000},"page":"185012","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["High spatial resolution dual-ended readout PET detector based on continuous resistive layer silicon photomultiplier"],"prefix":"10.1088","volume":"71","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-2575-2027","authenticated-orcid":true,"given":"Jiahao","family":"Xie","sequence":"first","affiliation":[{"name":"University of California-Davis, One Shields Avenue"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-9182-9237","authenticated-orcid":true,"given":"Haibo","family":"Wang","sequence":"additional","affiliation":[{"name":"University of California-Davis, One Shields Avenue"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1719-8266","authenticated-orcid":true,"given":"Junwei","family":"Du","sequence":"additional","affiliation":[{"name":"University of California-Davis, One Shields Avenue"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"266","published-online":{"date-parts":[[2026,9,24]]},"reference":[{"key":"pmbae9a28bib1","doi-asserted-by":"publisher","first-page":"4507","DOI":"10.3390\/s24144507","type":"journal-article","article-title":"Position-sensitive silicon photomultiplier arrays with large-area and sub-millimeter resolution","volume":"24","author":"Acerbi","year":"2024","journal-title":"Sensors"},{"key":"pmbae9a28bib2","doi-asserted-by":"publisher","first-page":"1161","DOI":"10.1109\/23.596981","type":"journal-article","article-title":"MicroPET: a high resolution PET scanner for imaging small animals","volume":"44","author":"Cherry","year":"1997","journal-title":"IEEE Trans. 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