NDLI: Development of a small gamma camera using wavelength-shifting fibres coupled to inorganic scintillation crystals for imaging 140 keV gamma rays

Content Provider	IEEE Xplore Digital Library
Author	Soares, A.J. Cullum, I. Miller, D.J. Royle, G.J. Speller, R.D.
Copyright Year	1999
Description	Author affiliation: Dept. Med. Phys. & Bioeng., Univ. Coll. London, UK (Soares, A.J.)
Abstract	We are developing a small gamma camera for scintimammography with Tc/sup 99m/ (140 keV). The camera is based on coupling wavelength-shifting fibres (WSF) to the surface of an inorganic scintillation crystal-CsI(Na)-in order to obtain information about the position of interaction of the gamma rays. We have performed experimental measurements on the light output of 1 mm round multi-clad WSFs coupled to two CsI:Na slabs, 3 and 5 mm thick. The results show a mean of 3.8 photoelectrons per gamma ray interaction of Co/sup 57/ 122 keV, with a mean of 1 photoelectron at the fibre located nearest the collimated beam of gamma rays, for the 3 mm thick crystal. Simulations based on the single electron response of photomultiplier tubes show that a 1.7 mm FWHM spatial resolution can be achieved with this camera design. The camera can be shaped to suit any application, it is compact and has low cost, which, together with its predicted performance in terms of spatial resolution, makes this concept very promising as a small gamma camera for 140 keV.
Starting Page	1277
Ending Page	1284
File Size	736347
Page Count	8
File Format	PDF
ISBN	0780350219
ISSN	10823654
DOI	10.1109/NSSMIC.1998.774390
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1998-11-08
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Gamma rays Spatial resolution Surface waves Performance evaluation Thickness measurement Wavelength measurement Optical coupling Slabs Collimators
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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