A high efficiency pixelated detector for small animal PET

Vivek V. Nagarkar; Sameer V. Tipnis; Kanai Shah; Irina Shestakova; Simon R Cherry

doi:10.1109/TNS.2004.829750

A high efficiency pixelated detector for small animal PET

Vivek V. Nagarkar, Sameer V. Tipnis, Kanai Shah, Irina Shestakova, Simon R Cherry

Radiology

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

28 Scopus citations

Abstract

We report on the development of a new high efficiency detector for small animal PET. The detector is based on a monolithic block of LSO pixelated using laser ablation technique. The laser processing allows pixelation with very narrow, 70 μm wide, inter-pixel gaps resulting in a substantially enhanced sensitivity when the detectors are operated in coincidence mode. This paper presents the first results of a detector module fabricated using this approach. Preliminary imaging data at 511 keV obtained by coupling the pixelated LSO to a position sensitive photomultiplier tube (PSPMT) and a position sensitive avalanche photodiode (PSAPD) are presented.

Original language	English (US)
Pages (from-to)	801-804
Number of pages	4
Journal	IEEE Transactions on Nuclear Science
Volume	51
Issue number	3 II
DOIs	https://doi.org/10.1109/TNS.2004.829750
State	Published - Jun 2004

Keywords

Lutetium oxyorthosilicate (ISO)
Positron emission tomography (PET)
Scintillators
Small animal imaging

ASJC Scopus subject areas

Electrical and Electronic Engineering
Nuclear Energy and Engineering

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title = "A high efficiency pixelated detector for small animal PET",

abstract = "We report on the development of a new high efficiency detector for small animal PET. The detector is based on a monolithic block of LSO pixelated using laser ablation technique. The laser processing allows pixelation with very narrow, 70 μm wide, inter-pixel gaps resulting in a substantially enhanced sensitivity when the detectors are operated in coincidence mode. This paper presents the first results of a detector module fabricated using this approach. Preliminary imaging data at 511 keV obtained by coupling the pixelated LSO to a position sensitive photomultiplier tube (PSPMT) and a position sensitive avalanche photodiode (PSAPD) are presented.",

keywords = "Lutetium oxyorthosilicate (ISO), Positron emission tomography (PET), Scintillators, Small animal imaging",

author = "Nagarkar, {Vivek V.} and Tipnis, {Sameer V.} and Kanai Shah and Irina Shestakova and Cherry, {Simon R}",

year = "2004",

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T1 - A high efficiency pixelated detector for small animal PET

AU - Nagarkar, Vivek V.

AU - Tipnis, Sameer V.

AU - Shah, Kanai

AU - Shestakova, Irina

AU - Cherry, Simon R

PY - 2004/6

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AB - We report on the development of a new high efficiency detector for small animal PET. The detector is based on a monolithic block of LSO pixelated using laser ablation technique. The laser processing allows pixelation with very narrow, 70 μm wide, inter-pixel gaps resulting in a substantially enhanced sensitivity when the detectors are operated in coincidence mode. This paper presents the first results of a detector module fabricated using this approach. Preliminary imaging data at 511 keV obtained by coupling the pixelated LSO to a position sensitive photomultiplier tube (PSPMT) and a position sensitive avalanche photodiode (PSAPD) are presented.

KW - Lutetium oxyorthosilicate (ISO)

KW - Positron emission tomography (PET)

KW - Scintillators

KW - Small animal imaging

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