Results 161 to 170 of about 4,563 (202)

Optically stimulated luminescence (OSL) dosimetry in medicine

Physics in Medicine and Biology, 2008
This paper reviews fundamental and practical aspects of optically stimulated luminescence (OSL) dosimetry pertaining to applications in medicine, having particularly in mind new researchers and medical physicists interested in gaining familiarity with the field.
E G, Yukihara, S W S, McKeever
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Frequency modulated pulsed stimulation in optically stimulated luminescence

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2001
Abstract A new pulsed-OSL stimulation unit capable of producing stimulation pulses down to 4 μs wide has been developed. A matrix of 49 light emitting diodes (LEDs) are pulsed using a voltage-to-frequency converter, which produces fixed width pulses of adjustable duty cycle in the frequency range 0–10 kHz.
Bulur, E., Bøtter-Jensen, L., Murray, A.S.   +2 more
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Optically and thermally stimulated luminescence characteristics of MgO:Tb3+

Radiation Protection Dosimetry, 2006
In this paper main optically stimulated luminescence (OSL) and thermoluminescence (TL) characteristics are presented of a newly synthesised material MgO doped with terbium (Tb) developed at the Institute of Nuclear Science, Vinca. A thermally stimulated emission spectrum showed the characteristic lines of Tb3+ in a wide range of wavelengths.
Bos, A. J. J., Prokić, Miloš, Brouwer, J. C.   +2 more
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Optically stimulated luminescence in synthetic quartz

Journal of Luminescence, 1994
Abstract Optically stimulated luminescence (OSL), has been studied in synthetic quartz crystals, which had previously been exposed to β- or X-irradiations. The main emission bands appeared at ≈380 and ≈440 nm. The excitation spectra of these emission bands were now measured and showed both a maximum at 330 nm.
N. Kristianpoller, M. Abu-Rayya, R. Chen
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Thermally and Optically Stimulated Luminescence

2011
About the Authors . Preface. Acknowledgements. 1 Introduction. 1.1 The Physical Mechanism of TL and OSL Phenomena. 1.2 Historical Development of TL and OSL Dosimetry. 1.3 Historical Development of Luminescence Models. 2 Theoretical Basis of Luminescence Phenomena. 2.1 Energy Bands and Energy Levels in Crystals.
Reuven Chen, Vasilis Pagonis
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Optically stimulated luminescence in NaMgF3:Eu2+

Applied Physics Letters, 2007
Optically stimulated luminescence (OSL) and thermoluminescence (TL) measurements were performed on polycrystalline NaMgF3:Eu2+ as well as sintered and quenched NaMgF3:Eu2+ after exposure to ionizing radiation. The authors find a range of TL traps and the sintering and quenching process reduces the concentration of shallow traps.
C. Dotzler, G. V. M. Williams, U. Rieser, A. Edgar   +3 more
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Optically stimulated luminescence of CaF2:Ce

Journal of Luminescence, 2018
Abstract Optically Stimulated Luminescence (OSL) is the luminescence emitted from a previously irradiated with ionizing radiation material by exposure to light. The aim of this paper is to evaluate the Blue Stimulation Luminescence (BSL) and Infra-Red Stimulation Luminescence (IRSL) for CaF2:Ce produced by the Solution Combustion Synthesis (SCS ...
C.C. Lopes, V.S.M. Barros, V.K. Asfora, M.E. Yamamoto, H.J. Khoury, P. Guzzo   +5 more
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Optically stimulated luminescence of CaF2:Tm

Radiation Measurements, 2016
Abstract This work presents the results on the Blue Stimulation Luminescence (BSL) and Infra-Red Stimulation Luminescence (IRSL) of CaF2:Tm produced by the Solution Combustion Synthesis (SCS) method. XRD confirmed the formation of calcium fluoride. BSL showed a dose independent signal due to excitation-emission of Tm bands which was not observed for ...
Viviane ​K. Asfora, Vinícius ​S.M. de Barros, Regina J.G. da Silva, Daniel ​A.A. Vasconcelos, Bruno S. Nobre, Maria ​E. Yamato, Helen ​J. Khoury, Raquel ​A. Oliveira, Walter ​M. Azevedo   +8 more
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Optically Stimulated Luminescence Dosimetry: An Introduction

Solid State Phenomena, 2015
A subset of solid state materials have long been used as integrating dosimeters because they store energy deposited as a result of their interactions with ionizing radiation and then, when stimulated appropriately, release a proportionate amount of visible or near-visible light.
William Geoffrey West, Kimberlee Jane Kearfott   +1 more
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Optically Stimulated Luminescence in MgS:Ce,Sm

Radiation Protection Dosimetry, 1986
Abstract MgS:Ce,Sm has been investigated for optically stimulated luminescence (OSL) characteristics with a view to application in radiation dosimetry. Two dominant glow peaks, around 346 and 449K are observed in this material. The latter peak is suitable for dosimetry. This peak can be optically stimulated under 1317 nm irradiation from
V.K. Mathur, J. Gasiot, R.J. Abbundi, M.D. Brown   +3 more
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