Results 201 to 210 of about 2,880 (253)

Optically stimulated luminescence in enaminones

Radiation Physics and Chemistry, 2020
Abstract This work presents the first experimental results of optically stimulated luminescence in organic crystals type enaminones. Samples were synthesized by means of the condensation reaction of acetylacetone with four aromatics amines in acid medium.
A. Lara-Camilo, Y.O. Villafañe-Bautista, M.A. de León-Alfaro, J. Guzmán-Mendoza, D. Quintana-Zavala, R. García-Salcedo, J.G. Torres-Morales, T. Rivera-Montalvo   +7 more
openaire   +1 more source

Optically Stimulated Luminescence in Retrospective Dosimetry

Radiation Protection Dosimetry, 2002
Since the beginning of the 1990s the exploration of optically stimulated luminescence (OSL) in retrospective accident dosimetry has driven an intensive investigation and development programme at Risø into measurement facilities and techniques. This paper reviews some of the outcomes of this programme, including the evaluation of the single-aliquot ...
L, Bøtter-Jensen, A S, Murray
openaire   +2 more sources

Optically stimulated luminescence of persistent luminescence materials

Journal of Luminescence, 2006
Abstract For around ten years, intense attention has been devoted to materials which exhibit strong persistent luminescence. The Eu 2+ doped SrAl 2 O 4 is probably the best one. Co-doping with other trivalent rare earth ions, especially with Dy 3+ , enhances the persistent luminescence.
Fabienne Pellé, Tuomas Aitasalo, Mika Lastusaari, Janne Niittykoski, Jorma Hölsä   +4 more
openaire   +1 more source

Optically stimulated luminescence of Al2O3

Radiation Measurements, 1998
Abstract Anion-deficient aluminum oxide doped with carbon (Al 2 O 3 :C) is not only an extremely sensitive thermoluminescence (TL) material, but is well suited to optically stimulated luminescence OSL applications due to a high cross-section for interaction of light with radiation-induced trapped charge.
M.S. Akselrod, A.C. Lucas, J.C. Polf, S.W.S. McKeever   +3 more
openaire   +1 more source

Optically Stimulated Luminescent Glass Optical Fibre Dosemeter

Radiation Protection Dosimetry, 2002
An optical fibre radiation dosemeter has been developed that utilises optically stimulated luminescence and scintillation to provide independent, remote, real-time dose measurements. The radiation sensitive element consists of a 1 mm long, 0.4 mm diameter piece of copper-ion-doped fused quartz that is attached to a 1 m length of commercial optical ...
A L, Huston, B L, Justus, P L, Falkenstein, R W, Miller, H, Ning, R, Altemus   +5 more
openaire   +2 more sources

Optically Stimulated Luminescence Dosimetry

Radiation Protection Dosimetry, 1983
Abstract Optically stimulated luminescence from MgS:Eu,Sm phosphors is characterised. First analysis shows that this method has some interesting features for dosimetry measurments: high sensitivity, non heating and fast reading time can be retained. Widespread use of this technique will require some complementary investigations.
R.P. Rao, M. deMurcia, J. Gasiot
openaire   +1 more source

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
openaire   +3 more sources

Radiation Dosimetry by Optically-stimulated Luminescence of BeO

Health Physics, 1970
Abstract A radiation dosimeter utilizing the optically-stimulated luminescence of BeO permits repeated readings on a single sample. The response as a function of exposure is supralinear and saturates at 3 × 105 R. The lower useable limit is determined by an inherent background signal. The lower limit for BeO powder is 1 R and for BeO disks is 10 R.
C R, Rhyner, W G, Miller
openaire   +2 more sources

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
openaire   +2 more sources

Ionic mechanisms in the optically stimulated luminescence of quartz

physica status solidi c, 2007
AbstractAmong the many centres found in crystalline quartz it is well known that Al, substitutional for Si, is always present in different concentrations giving rise at Room Temperature to ionic migration of the associated alkali ions. Many authors evidenced that these alkali ions are involved in trapping and recombination at the basis of Thermally and
MARTINI, MARCO, GALLI, ANNA
openaire   +2 more sources