Response of thermoluminescent dosimeter CaF2:Dy to ionizing and non-ionizing radiations |
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| Institution: | 1. Institute of Nuclear Science, National Tsing Hua University, Hsinchu, Taiwan 300, Republic of China;2. Institute of Nuclear Engineering, National Tsing Hua University, Hsinchu, Taiwan 300, Republic of China;3. Nuclear Science and Technology Development Center, National Tsing Hua University, Hsinchu, Taiwan 300, Republic of China;1. Centre for Neuroimaging and Cognitive Genomics (NICOG), Clinical Neuroimaging Laboratory, NCBES Galway Neuroscience Centre, College of Medicine, Nursing, and Health Sciences, National University of Ireland Galway, H91 TK33 Galway, Ireland;2. College of Engineering and Informatics, National University of Ireland Galway, Galway, Ireland;3. Cardiff University Brain Research Imaging Centre, Cardiff, United Kingdom;1. Department of Cell Biology, Radboud University Medical Center, 6525 GA Nijmegen, the Netherlands;2. Institute for Biomedical Engineering, ETH and University of Zurich, 8093 Zurich, Switzerland;3. Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;4. Department of Otolaryngology and Head and Neck Surgery, Radboud University Medical Center, 6525 EX Nijmegen, the Netherlands;5. Institute for Pharmaceutical Sciences, ETH Zurich, 8093 Zurich, Switzerland;6. Institute of Pathology and Molecular Pathology, University Hospital Zurich, 8091 Zurich, Switzerland;7. Scientific Center for Optical and Electron Microscopy (ScopeM), ETH Zurich, 8093 Zurich, Switzerland;8. Department of Otorhinolaryngology-Head and Neck Surgery, Turku University and Turku University Hospital, 20521 Turku, Finland;9. Institute of Pharmacology and Toxicology, University of Zurich, 8057 Zurich, Switzerland;10. Cancer Genomics Center, 3584 CG Utrecht, the Netherlands;1. School of Economics and Management, Tongji University, Shanghai, 200092, China;2. General Institute of Water Resources and Hydropower Planning and Design, Ministry of Water Resources, Beijing, 100120, China;3. UNEP-Tongji Institute of Environment for Sustainable Development, Tongji University, Shanghai, 200092, China;1. Department of Polymer Engineering and Color Technology, Amirkabir University of Technology, P.O. Box 15875-4413 Tehran, Iran;2. Department of Surface Coatings and Corrosion, Institute for Color Science and Technology, No. 59, Vafamanesh St, Hosainabad Sq, Lavizan, Tehran, Iran;1. Departamento de Parasitologia, Microbiologia e Imunologia, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer s/n, Martelos, 36036-900 Juiz de Fora, MG, Brazil;2. Instituto de Biotecnologia (IBTEC), Universidade Estadual Paulista, Alameda dos Tecomarias, s/n, 18607-440 Botucatu, SP, Brazil;3. Instituto de Química de São Carlos, Universidade de São Paulo. Avenida João Dagnone, n° 1100, Jardim Santa Angelina, 13563-120 São Carlos, SP, Brazil;4. Núcleo de Pesquisa em Química Biológica (NQBio), Universidade de São João Del Rei, Rua Sebastião Gonçalves Coelho, Chanadour, 35501-296 Divinópolis, MG, Brazil;5. Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Juiz de Fora, Rua José Lourenço Kelmer s/n, Martelos, 36036-900 Juiz de Fora, MG, Brazil;6. Departamento of Global Health, University of South Florida, 3720 Spectrun Blvd, suit 304, Tampa, FL 33612, USA |
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| Abstract: | Thermoluminescent dosimeter CaF2:Dy or TLD-200 was studied for its response to both gamma-ray ionizing radiation and u.v. non-ionizing radiation. Emphasis was placed on high temperature treatment. For gamma-ray irradiation, heat treatment is limited to 400°C; beyond that the sensitivity of CaF2:Dy decreases. However, for u.v. irradiation, high-temperature treatment at 900°C is required for CaF2:Dy to become an intrinsic dosimeter. Major studies involve TL output, changes in peak height of glow curves, optical density changes after high temperature treatment, and reproducibility. |
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