GlowFit - a new tool for thermoluminescence glow-curve deconvolution

被引：238
|
作者：
Puchalska, M. [1 ]
Bilski, P. [1 ]
机构：
[1] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
RADIATION MEASUREMENTS | 2006年 / 41卷 / 06期
关键词：
thermoluminescence; first-order kinetic; deconvolution; LiF; Levenberg-Marquardt method;
D O I：
10.1016/j.radmeas.2006.03.008
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
A new computer program, GlowFit, for deconvoluting first-order kinetics thermoluminescence (TL) glow-curves has been developed. A non-linear function describing a single glow-peak is fitted to experimental points using the least squares Levenberg-Marquardt method. The main advantage of GlowFit is the ability to resolve complex TL glow-curves consisting of strongly overlapping peaks, as those observed in heavily-doped LiF:Mg,Ti (MTT) detectors. This resolution is achieved mainly by setting constraints or by fixing selected parameters. The initial values of the fitted parameters are placed in the so-called pattern files. GlowFit is a Microsoft Windows-operated user-friendly program. The graphic interface enables easy intuitive manipulation of glow-peaks, at the initial stage (parameter initialization) and at the final stage (manual adjustment) of fitting peak parameters to the glow-curves. The program is freely downloadable from the web site http://www.ifj.edu.pl/dept/no5/nz58/deconvolution.htm (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：659 / 664
页数：6
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