Light Output Evaluation of Plastic Scintillator Fabricated by DLP 3D Printer
- Authors
- Kim, Dong Geon; Park, Junesic; Son, Jaebum; Lee, Sangmin; Kim, Yong Hyun; Kim, Yong Kyun
- Issue Date
- Nov-2018
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- 3D Printing; Digital Light Processing (DLP) 3D Printer; Light Output; Plastic Scintillator; Radiation Measurement
- Citation
- 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2018 - Proceedings, pp.1 - 2
- Indexed
- SCOPUS
- Journal Title
- 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2018 - Proceedings
- Start Page
- 1
- End Page
- 2
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/15982
- DOI
- 10.1109/NSSMIC.2018.8824518
- ISSN
- 0000-0000
- Abstract
- 3D printing technique of Digital Light Processing (DLP) was applied to the fabrication of plastic scintillator. Photoinitiator was used with scintillating components to apply this 3D printing technique using UV-polymerization. The fabricated plastic scintillator was evaluated by large area avalanche photodiode (LAAPD) and 137Cs radiation source, and compared to commercial plastic scintillator BC408 (Saint-Gobain Crystal). The number of electron-hole pair per 1 MeV-γ for the plastic scintillators was measured using LAAPD. The detector was calibrated for 55Fe X-ray source. The number of photons per 1 MeV-γ was calculated by applying effective quantum efficiency of the LAAPD and the reflectivity of Teflon tape to the number of electron-hole pairs. As a result, light output 6,450 ph/MeV of the fabricated plastic scintillator was measured, which was 87% relative performance to BC408.
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