Design and development of 1 mm resolution PET detectors with position-sensitive PMTs

Yiping Shao; Simon R. Cherry; Arion F. Chatziioannou

doi:10.1016/S0168-9002(01)01785-5

Design and development of 1 mm resolution PET detectors with position-sensitive PMTs

Yiping Shao, Simon R. Cherry, Arion F. Chatziioannou

Research output: Contribution to journal › Conference article › peer-review

12 Scopus citations

Abstract

We report our investigation of a positron emission tomography (PET) detector with 1m spatial resolution. The prototype detector consists of a 9 × 9 array of 1 × 1 × 10mm³ lutetium oxyorthosilicate (LSO) scintillator crystals coupled to Hamamatsu R5900-M64 or R5900-C12 position sensitive PMT by either optical fibers or an optical fiber bundle. With a 511eV gamma source, the intrinsic spatial resolution of this detector was measured to be 0.92mm. All crystals were well resolved in the flood source histogram. The measured energy and coincidence timing resolutions were around 26% and 4ns, respectively, demonstrating that sufficient light can be extracted from these small crystals for PET applications.

Original language	English (US)
Pages (from-to)	486-490
Number of pages	5
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	477
Issue number	1-3
DOIs	https://doi.org/10.1016/S0168-9002(01)01785-5
State	Published - Jan 21 2002
Event	5th International Conference on Position-Sensitive Detectors PSD-5 1999 - London, United Kingdom Duration: Sep 13 1999 → Sep 17 1999

Keywords

Gamma detector
Multi-channel photomultiplier (MC-PMT)
Optical fiber bundle
Position-sensitive photomultiplier (PS-PMT)
Positron emission tomography (PET)
Scintillator

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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Design and development of 1 mm resolution PET detectors with position-sensitive PMTs. / Shao, Yiping; Cherry, Simon R.; Chatziioannou, Arion F.

In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 477, No. 1-3, 21.01.2002, p. 486-490.

Research output: Contribution to journal › Conference article › peer-review

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title = "Design and development of 1 mm resolution PET detectors with position-sensitive PMTs",

abstract = "We report our investigation of a positron emission tomography (PET) detector with 1m spatial resolution. The prototype detector consists of a 9 × 9 array of 1 × 1 × 10mm3 lutetium oxyorthosilicate (LSO) scintillator crystals coupled to Hamamatsu R5900-M64 or R5900-C12 position sensitive PMT by either optical fibers or an optical fiber bundle. With a 511eV gamma source, the intrinsic spatial resolution of this detector was measured to be 0.92mm. All crystals were well resolved in the flood source histogram. The measured energy and coincidence timing resolutions were around 26% and 4ns, respectively, demonstrating that sufficient light can be extracted from these small crystals for PET applications.",

keywords = "Gamma detector, Multi-channel photomultiplier (MC-PMT), Optical fiber bundle, Position-sensitive photomultiplier (PS-PMT), Positron emission tomography (PET), Scintillator",

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AU - Cherry, Simon R.

AU - Chatziioannou, Arion F.

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N2 - We report our investigation of a positron emission tomography (PET) detector with 1m spatial resolution. The prototype detector consists of a 9 × 9 array of 1 × 1 × 10mm3 lutetium oxyorthosilicate (LSO) scintillator crystals coupled to Hamamatsu R5900-M64 or R5900-C12 position sensitive PMT by either optical fibers or an optical fiber bundle. With a 511eV gamma source, the intrinsic spatial resolution of this detector was measured to be 0.92mm. All crystals were well resolved in the flood source histogram. The measured energy and coincidence timing resolutions were around 26% and 4ns, respectively, demonstrating that sufficient light can be extracted from these small crystals for PET applications.

AB - We report our investigation of a positron emission tomography (PET) detector with 1m spatial resolution. The prototype detector consists of a 9 × 9 array of 1 × 1 × 10mm3 lutetium oxyorthosilicate (LSO) scintillator crystals coupled to Hamamatsu R5900-M64 or R5900-C12 position sensitive PMT by either optical fibers or an optical fiber bundle. With a 511eV gamma source, the intrinsic spatial resolution of this detector was measured to be 0.92mm. All crystals were well resolved in the flood source histogram. The measured energy and coincidence timing resolutions were around 26% and 4ns, respectively, demonstrating that sufficient light can be extracted from these small crystals for PET applications.

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KW - Position-sensitive photomultiplier (PS-PMT)

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