NDLI: Cross-Strip Multiplexed Electro-Optical Coupled Scintillation Detector for Integrated PET/MRI

Content Provider	IEEE Xplore Digital Library
Author	Olcott, P.D. Glover, G. Levin, C.S.
Copyright Year	1963
Abstract	A prototype electro-optically coupled PET brain insert is being developed for 1.5 T or 3 T MRI systems. To reduce the number of electronic channels, we developed and tested a novel silicon photomultiplier (SiPM) multiplexing circuit based on a novel cross strip readout circuit using capacitors that reduces the number of channels by a factor of 4. Next, we developed and tested this multiplexing circuit with a new electro-optical coupling method that uses a small vertical cavity surface emitting laser (VCSEL) to transmit the scintillation signal out over fiber. This multiplexing circuit is specially suited for directly driving VCSEL lasers without using preamps or any other active components. Two detectors were placed inside the MR bored, and operated with and without a continuos RF field. We were able to resolve a 6 × 6 array of 2.63 mm × 2.63 mm × 20 mm LYSO crystals that were directly coupled to a 4 × 4 array of 3.2 mm × 3.2 mm SiPM pixels with a global delay corrected paired coincidence time resolution 2.50 +/- 0.015 ns FWHM and a per crystal gain corrected energy resolution of 12.6 +/- 0.6% FWHM @511 keV while operating inside an 1.5 T MRI, with or without the RF field on. The two technologies, capacitive multiplexing and electro-optical coupling, have enabled a high-performance clinical PET detector based on silicon photomultipliers, a factor 4 reduction in the number of readout channels, and, when inserted into a 1.5 T MRI system, has low levels of mutual interference between the PET detector and the MRI.
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	3198
Ending Page	3204
Page Count	7
File Size	1540599
File Format	PDF
ISSN	00189499
Volume Number	60
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Magnetic resonance imaging Positron emission tomography Radio frequency Multiplexing Vertical cavity surface emitting lasers Electrooptical waveguides positron emission tomography Fiber optics magnetic resonance imaging nuclear imaging nuclear medicine optical interconnections
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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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