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Optically Stimulated Luminescence Dosimetry - 1st Edition - ISBN: 9780444506849, 9780080538075

Optically Stimulated Luminescence Dosimetry

1st Edition

Authors: L. Boetter-Jensen S.W.S. McKeever A.G. Wintle
Hardcover ISBN: 9780444506849
eBook ISBN: 9780080538075
Imprint: Elsevier Science
Published Date: 24th October 2003
Page Count: 374
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Optically Stimulated Luminescence (OSL) has become the technique of choice for many areas of radiation dosimetry. The technique is finding widespread application in a variety of radiation dosimetry fields, including personal monitoring, environmental monitoring, retrospective dosimetry (including geological dating and accident dosimetry), space dosimetry, and many more. In this book we have attempted to synthesize the major advances in the field, covering both fundamental understanding and the many applications. The latter serve to demonstrate the success and popularity of OSL as a dosimetry method.

The book is designed for researchers and radiation dosimetry practitioners alike. It delves into the detailed theory of the process from the point of view of stimulated relaxation phenomena, describing the energy storage and release processes phenomenologically and developing detailed mathematical descriptions to enable a quantitative understanding of the observed phenomena. The various stimulation modes (continuous wave, pulsed, or linear modulation) are introduced and compared. The properties of the most important synthetic OSL materials beginning with the dominant carbon-doped Al2O3, and moving through discussions of other, less-well studied but nevertheless important, or potentially important, materials. The OSL properties of the two most important natural OSL dosimetry material types, namely quartz and feldspars are discussed in depth. The applications chapters deal with the use of OSL in personal, environmental, medical and UV dosimetry, geological dating and retrospective dosimetry (accident dosimetry and dating). Finally the developments in instrumentation that have occurred over the past decade or more are described.

The book will find use in those laboratories within academia, national institutes and the private sector where research and applications in radiation dosimetry using luminescence are being conducted. Potential readers include personnel involved in radiation protection practice and research, hospitals, nuclear power stations, radiation clean-up and remediation, food irradiation and materials processing, security monitoring, geological and archaeological dating, luminescence studies of minerals, etc.

Table of Contents



1.1 Optically stimulated luminescence.
1.2 Historical development of OSL dosimetry.
1.3 OSL dosimetry.
1.3.1 Personal dosimetry.
1.3.2 Environmental dosimetry.
1.3.3 Medical dosimetry.
1.3.4 Retrospective dosimetry.
1.4 This book.


2.1 Stimulated luminescence.
2.2 Generalised mathematical description of optically stimulated luminescence.
2.3 The photoionisation cross-section.
2.3.1 Optical transitions.
2.3.2 Wavelength dependence.
2.3.3 Measurement of the photoionisation cross-
2.4 CW-OSL.
2.4.1 Models and rate equations.
2.4.2 The one-trap/one-centre model.
2.4.3 Models containing multiple-traps and centres.
2.4.4 A more generalised model.
2.4.5 Temperature dependence effects.
2.4.6 Thermal quenching.
2.5 LM-OSL.
2.5.1 First-order and general-order-kinetics.
2.5.2 Relationship between LM-OSL and CW-OSL.
2.5.3 Wavelength dependence of LM-OSL.
2.5.4 Photoconductivity.
2.6 Pulsed OSL.
2.6.1 Principles of POSL.

2.6.2 Delayed OSL (DOSL).
2.7 Phototransferred effects.
2.7.1 Procedure.
2.7.2 Mathematical description and typical data.
2.8 Radiophotoluminescence.
2.8.1 Procedure.


3.1 Al2O3.
3.1.1 Introduction.
3.1.2 Crystal growth.
3.1.3 OSL stimulation and emission characteristics of Al2O3:C.
3.1.4 The OSL response of Al2O3:C to radiation exposure.
3.1.5 The temperature dependence of OSL from Al2O3:C.
3.1.6 Zeroing of the OSL signal from Al2O3:C.
3.2 Halides.
3.2.1 KCl.
3.2.2 KBr.
3.2.3 NaCl.
3.2.4 RbI.
3.2.5 CaF2.
3.2.6 BaFX (X≡Br, Cl, I).
3.3 Sulphates.
3.3.1 MgSO4.
3.3.2 CaSO4.
3.4 Sulphides.
3.4.1 AS (A ≡ Mg, Sr, Ca, Ba).
3.5 Oxides.
3.5.1 BeO.
3.5.2 Fused quartz.


4.1. Personal dosimetry.
4.1.1 Introduction.
4.1.2 Landauer's LuxelTM personal dosimetry system.
4.1.3 Landauer's InLightTM personal dosimetry system. 4.1.4 Beta dosimetry.
4.1.5 POSL imaging.
4.2. Environmental OSL dosimetry using Al2O3.
4.2.1 Measurement of the natural terrestrial background radiation.
4.2.2 Measurement of the natural space background radiation.
4.3. UV dosimetry.
4.4. OSL and RL remote optical fibre dosimetry in medical applications.
4.4.1 Real-time in-vivo monitoring of doses during radiotherapy. 4.4.2 Optical fibre dosimeters.


5.1 Quartz.
5.1.1 Crystal structure and point defects.
5.1.2 Decay curve shapes obtained under continuous stimulation - CW-OSL. Stimulation sources. Effect of the 110 °C trap. Dependence on power. Three components. Effect of stimulation wavelength. Effect of stimulation temperature.
5.1.3 Linear modulation OSL - LM-OSL. LM-OSL at 160 °C with 470 nm stimulation. LM-OSL at different temperatures with 526 nm stimulation.
5.1.4 Pulsed OSL. TRL. DOSL or OSA.
5.1.5 Excitation spectra. Bleaching response spectrum. Excitation spectra after bleaching by 514 ± 25 nm light. Continuous scanning of stimulation wavelengths. Excitation interference filters and using xenon lamp. Excitation using laser lines from 458 to 645 nm. Stimulation in the infrared 780 - 920 nm.
5.1.6 Emission spectra. OSL emission spectra. TL emission spectra.
(i)360 - 420 nm (near UV to violet).
(ii)420 - 490 nm (blue).
(iii) 590 - 650 nm (orange). Radioluminescence.
5.1.7 Dose dependence. Fast component.
(i) Multiple aliquot data.
(ii) Single aliquot data.
(iii) Single grain data. Low doses.
5.1.8 Effects of previous thermal treatment. High temperature annealing - above 500 °C.
(i) Comparison of LM-OSL, TL, RL and EPR.
(ii) CW-OSL growth curves after annealing. Low temperature annealing - 160 to 280 °C. Thermal stability.
(i) Isothermal decay.
(ii) Pulse annealing. Irradiation at elevated temperature. Thermal transfer.
5.1.9 Raised temperature OSL. Thermal quenching. Thermal assistance.
5.1.10 The slow component. Thermal stability. Growth curve. Optical bleaching.
5.1.11 Photoionisation cross-section.
5.1.12 Modelling processes that give rise to OSL in quartz.
5.1.3 Summary.

5.2 Feldspars.
5.2.1 Crystal structure. 5.2.2 Decay curve shape obtained under continuous stimulation - CW-OSL and CW-IRSL. Stimulation sources. Effect of stimulation temperature.
(i) initial signal.
(ii) decay curve shape.
5.2.3 Linear modulation IRSL (LM-OSL).
5.2.4 Pulsed OSL and IRSL. Pulsed OSL. Pulsed IRSL. Optically stimulated afterglow.
5.2.5 Excitation spectra. Direct measurements. Bleaching response spectrum.
5.26 Emission spectra. IRSL emission spectra.
(i) 280-290 nm (near­UV).
(ii) 320-340 nm (near­UV).
(iii) 390-440 nm (violet/blue).
(iv) 550-570 nm (yellow/green).
(v) 600-750 nm (red/far red). TL emission spectra. RL emission spectra.
(i) under X-ray stimulation at low temperature.
(ii) under X-ray stimulation above room temperature.
(iii) under beta stimulation from a 137Cs source. PL emission spectra.
5.2.7 Effects of previous optical treatment. Bleaching at ambient temperature. IR bleaching at elevated temperature.
5.2.8 Effects of previous thermal treatment. Preheating of laboratory and naturally irradiated samples. Pulse annealing. Irradiation at elevated temperature.
5.2.9 Raised temperature IRSL and OSL. Thermal quenching. Thermal assistance.
(i) above room temperature.
(ii) below room temperature.
(iii) wavelength dependence.
(iv) link to anomalous fading.
5.2.10 Anomalous fading. TL, OSL and IRSL. Attempts to remove anomalous fading.
(i) using a preheat.
(ii) using an optical treatment. Attempts to avoid anomalous fading.
(i)using time­resolved measurements.
(ii)using different detection wavelengths. CL and TL spectra of fading feldspars. Low temperature phosphorescence. Single grain IRSL fading and fadia plots. Logarithmic signal decay. Correcting for anomalous fading.
5.2.11 Radioluminescence. A new dating method. Practical considerations. Methods of De determination. Thermal stability. Single grain measurements.
5.2.12 Models for IRSL, OSL, IR-RL in feldspars. IRSL. OSL. IR-RL. Comparison of IR-RL and IRSL (or OSL).

5.3 Conclusions.


6.1. Introduction.
6.2. Materials and sampling.
6.3. Sample preparation and experimental details.
6.4. Determination of the accident dose.
6.4.1 Retrospective assessment of environmental dose rates.
6.4.2 Estimation of the accident dose.
6.5. Analytical protocols.
6.5.1 Introduction.
6.5.2 Multiple-aliquot protocols.
6.5.3 The Single Aliquot Regeneration and Added Dose (SARA)protocol.
6.5.4 True single-aliquot protocols. Introduction. Variation of OSL signal with preheat. Choice of OSL signal. Sensitivity changes with regeneration cycles. The single-aliquot regeneration (SAR) protocol.
6.6. Evaluation of dose-depth profiles in bricks.
6.6.1 Continuous OSL scanning.
6.6.2 Determination of depth-dose profiles from Chernobyl bricks.
6.6.3 Absolute errors and estimated precision of the equivalent dose in bricks.
6.7. Retrospective OSL dosimetry using unheated quartz.
6.7.1 Dose distributions.
6.7.2 Thermal transfer and sensitivity changes.
6.7.3 Concrete.
6.8 Retrospective OSL dosimetry using household and workplace chemicals.
6.9 Retrospective OSL dosimetry using porcelain.
6.9.1 Introduction.
6.9.2 The origin of OSL in porcelain. Time-decaying dose-dependent OSL signals. Time-steady PL emission spectra from porcelain. OSL stimulation spectra.
6.9.3 OSL dose response of porcelain.
6.9.4 Dose-depth profiles in porcelain and the effect of transparency.
6.9.5 OSL dosimetry using porcelain dental crowns.
6.10 Retrospective accident dosimetry - conclusions.


6.11 Measurement Procedures.
6.11.1 Multiple-aliquot methods.
6.11.2 Single-aliquot methods. Feldspars.
(i) Additive dose.
(ii) Regenerative dose. Quartz.
(i) Additive dose.
(ii) Regenerative dose. Luminescence sensitivity.
(i) Multiple luminescence signals.
(ii)Comparison of the 110 °C TL peak and OSL. Reliability of OSL monitoring of sensitivity change.
6.11.3 Dose distributions for single aliquots. Histograms. Probability plots. Radial plots. Calculation of De.
6.12 Single grains.
6.12.1 Measurements. Feldspars. Quartz.
6.12.2 Dose distributions for single grains. Histograms. Probability plots. Radial plots. Calculation of De.
6.13 Geological and archaeological dating-conclusions.


7.1 Stimulation modes.
7.1.1 CW-OSL.
7.1.2 LM-OSL.
7.1.3 POSL.
7.2 The light detection system.
7.2.1 Photomultiplier tubes.
7.2.2 Imaging photon detectors.
7.2.3 Solid state detectors.
7.3 Automated OSL readers.
7.4 Development of optical stimulation sources.
7.4.1 Laser stimulation.
7.4.2 IR LED stimulation.
7.4.3 IR laser diode stimulation.
7.4.4 Broad-band light stimulation.
7.4.5 Optimisation of OSL detection.
7.4.6 Green LED stimulation.
7.4.7 Blue LED stimulation.
7.4.8 Blue LED and cut-off filter characteristics.
7.4.9 Ramping the LEDs.
7.4.10 Pulsed and time-resolved OSL.
7.5 Wavelength resolved OSL.
7.5.1 Stimulation spectrometry.
7.5.2 Emission spectrometry.
7.6 Imaging systems.
7.7 Single grain OSL systems.
7.7.1 Introduction.
7.7.2 CCD luminescence imaging systems.
7.7.3 Single grain laser OSL systems.
7.8 Automatic OSL scanners.
7.9 Portable systems for OSL measurements in the field.
7.10 The measurement of radioluminescence.
7.11 Commercially available OSL apparatus.
7.12 Future developments.


No. of pages:
© Elsevier Science 2003
24th October 2003
Elsevier Science
Hardcover ISBN:
eBook ISBN:

About the Authors

L. Boetter-Jensen

Affiliations and Expertise

Risoe National Laboratory, Nuclear Safety Research Department, Roskilde, Denmark

S.W.S. McKeever

Affiliations and Expertise

Oklahoma State University, Department of Physics, Stillwater, USA

A.G. Wintle

Affiliations and Expertise

University of Wales, Institute of Geography and Earth Sciences, Aberystwyth, UK

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