PL423088A1 - Method for measuring optically stimulated luminescence - Google Patents

Method for measuring optically stimulated luminescence

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Publication number
PL423088A1
PL423088A1 PL423088A PL42308817A PL423088A1 PL 423088 A1 PL423088 A1 PL 423088A1 PL 423088 A PL423088 A PL 423088A PL 42308817 A PL42308817 A PL 42308817A PL 423088 A1 PL423088 A1 PL 423088A1
Authority
PL
Poland
Prior art keywords
modulation
sin
detector
luminescence
optically stimulated
Prior art date
Application number
PL423088A
Other languages
Polish (pl)
Inventor
Arkadiusz Mandowski
Ewa Mandowska
Original Assignee
Akademia Im. Jana Długosza W Częstochowie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Akademia Im. Jana Długosza W Częstochowie filed Critical Akademia Im. Jana Długosza W Częstochowie
Priority to PL423088A priority Critical patent/PL423088A1/en
Publication of PL423088A1 publication Critical patent/PL423088A1/en

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Abstract

Sposób pomiaru optycznie stymulowanej luminescencji, polega na tym, że prowadzi się pomiar luminescencji metodą modulacji harmonicznej zmieniając ?(t), natężenie światła stymulacji optycznej według zależności opisanej wzorem: ?(t) = ?B + ?A sin(?t), gdzie ?B i ?A oznaczają odpowiednio natężenie bazowe i amplitudę modulacji, gdzie 0 ? ?A ? ?B, a ? opisuje częstotliwość stymulacji, przy czym odpowiedź luminescencyjną detektora, rejestrowany sygnał OSL, ma zasadniczo postać nieliniowa: L(t) = LB + LA sin(?t - ?L) lecz, w niewielkim zakresie czasowym, gdy względny ubytek nośników z pułapek jest znacznie mniejszy od jedności, przy założeniu, że składowe LB i LA są znacznie wolniej zmienne, niż czynnik harmoniczny, a częstotliwość oraz głębokość modulacji dobiera się stosownie do badanego materiału i detektora OSL, i dokonuje pomiaru podstawowego parametru jakim jest wielkość przesunięcia kątowego ?L pomiędzy dwoma sinusoidami.The method of measuring optically stimulated luminescence is that the luminescence is measured by harmonic modulation by changing? (T), light intensity of optical stimulation according to the formula described by the formula:? (T) =? B +? A sin (? T), where "B and" A are the base current and modulation amplitude, respectively, where 0 ? A? ? B, and? describes the stimulation frequency, with the detector's luminescent response, the recorded OSL signal, essentially non-linear: L (t) = LB + LA sin (? t -? L) but, in a small time range, when the relative loss of carriers from the traps is significantly smaller than one, assuming that the components LB and LA are much slower than the harmonic factor, and the frequency and depth of modulation are selected according to the tested material and the OSL detector, and measures the basic parameter which is the amount of angular shift? L between two sinusoids.

PL423088A 2017-10-06 2017-10-06 Method for measuring optically stimulated luminescence PL423088A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL423088A PL423088A1 (en) 2017-10-06 2017-10-06 Method for measuring optically stimulated luminescence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL423088A PL423088A1 (en) 2017-10-06 2017-10-06 Method for measuring optically stimulated luminescence

Publications (1)

Publication Number Publication Date
PL423088A1 true PL423088A1 (en) 2019-04-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PL423088A PL423088A1 (en) 2017-10-06 2017-10-06 Method for measuring optically stimulated luminescence

Country Status (1)

Country Link
PL (1) PL423088A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998012575A1 (en) * 1996-09-20 1998-03-26 Board Of Regents Of Oklahoma State University Method for the fast determination of an unknown absorbed dose of radiation with high sensitivity using optically stimulated luminescence
US5892234A (en) * 1995-09-22 1999-04-06 The Board Of Regents Of Oklahoma State University Method for determining an unknown absorbed dose of radiation using optically stimulated luminescence
US20130341514A1 (en) * 2012-06-22 2013-12-26 Landauer, Inc. Method and apparatus for fast determination of unknown radiation dose

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5892234A (en) * 1995-09-22 1999-04-06 The Board Of Regents Of Oklahoma State University Method for determining an unknown absorbed dose of radiation using optically stimulated luminescence
WO1998012575A1 (en) * 1996-09-20 1998-03-26 Board Of Regents Of Oklahoma State University Method for the fast determination of an unknown absorbed dose of radiation with high sensitivity using optically stimulated luminescence
US20130341514A1 (en) * 2012-06-22 2013-12-26 Landauer, Inc. Method and apparatus for fast determination of unknown radiation dose

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