NDLI: Resolution improvement using a fiber optic plate for a small field-of-view NaI(Tl) gamma camera

Content Provider	IEEE Xplore Digital Library
Author	Yamamoto, S.
Copyright Year	1963
Abstract	To improve the spatial resolution of a small field-of-view gamma camera composed of a NaI(Tl) scintillator and a position sensitive photo-multiplier tube (PSPMT), the performance of an NaI(Tl) scintillator with a fiber optic plate for a light output was compared with that of such a scintillator using a conventional glass plate. Since the fiber optic plate limits the light distribution and makes it narrower, spatial resolution is improved. Using 20/spl times/20 mm, 2-mm-thick NaI(Tl) scintillators with a glass plate and with a fiber optic plate, performance was measured and compared. Using the fiber optic plate, the scintillation light output was 35% less than with a glass plate. The average spatial resolution with the fiber optic plate was 0.98-mm full width at half maximum (FWHM) while that with the glass plate was 1.48 mm FWHM for 122-keV, Co-57 gamma photons. Although light output decreased, spatial resolution dramatically improved. These results indicate that the NaI(Tl) with a fiber optic plate for light output is promising for PSPMT-based small field-of-view gamma cameras.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	49
Ending Page	53
Page Count	5
File Size	401425
File Format	PDF
ISSN	00189499
Volume Number	53
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical fibers Cameras Glass Spatial resolution Hermetic seals Containers Optical sensors Gamma ray detection Gamma ray detectors Probes NaI(Tl) Fiber optic plate gamma camera
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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