Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session E34: Radiation Detection and Monitoring in Medical Imaging and Therapy
8:00 AM–11:00 AM,
Tuesday, March 5, 2019
BCEC
Room: 205A
Sponsoring
Unit:
GMED
Chair: Wojciech Zbijewski, Johns Hopkins University
Abstract: E34.00002 : New Scintillators for Medical Imaging*
8:36 AM–9:12 AM
Presenter:
Vivek Nagarkar
(R&D, Radiation Monitoring Devices, Inc.)
Authors:
Vivek Nagarkar
(R&D, Radiation Monitoring Devices, Inc.)
Matthew Marshall
(R&D, Radiation Monitoring Devices, Inc.)
Harish Bhandari
(R&D, Radiation Monitoring Devices, Inc.)
Bipin Singh
(R&D, Radiation Monitoring Devices, Inc.)
Stuart Miller
(R&D, Radiation Monitoring Devices, Inc.)
Megan Wart
(R&D, Radiation Monitoring Devices, Inc.)
Charles Sosa
(R&D, Radiation Monitoring Devices, Inc.)
Charles Brecher
(R&D, Radiation Monitoring Devices, Inc.)
1) Bandgap engineering to minimize afterglow or to enhance emission speed;
2) Using alternative dopants to modify spectral emissions;
3) Modifying growth techniques to form thick structures with enhanced brightness and transparency;
4) Tailoring scintillator host composition for enhanced response to certain types of radiation; and
5) Using advanced scintillator compositions that provide extraordinary performance but cannot otherwise be grown using conventional crystal growth methods.
Post-deposition processing such as laser pixelation, deposition of optical coatings, or incorporating nanostructures in the detection chain for enhanced signal-to-noise are some of the other investigated approaches that show promise for radiographic or nuclear medicine imaging. A brief review of various methodologies adapted at RMD to improve scintillator performance for specific applications will be presented.
*The authors are thankful to the NIH and DOE for partial support of this work.
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