Simple dose rate measurements for a very high synchrotron X-ray flux

被引：13
|
作者：
Liu, Chi-Jen [1 ]
Wang, Chang-Hai [1 ]
Wang, Cheng-Liang [1 ]
Hwu, Y. [1 ,2 ,3 ,4 ]
Lin, Chien-Yi [5 ]
Margaritondo, G. [6 ]
机构：
[1] Acad Sinica, Inst Phys, Taipei 115, Taiwan
[2] Natl Tsing Hua Univ, Dept Engn & Syst Sci, Hsinchu 300, Taiwan
[3] Natl Synchrotron Radiat Res Ctr, Hsinchu 300, Taiwan
[4] Natl Taiwan Ocean Univ, Inst Optoelect Sci, Chilung 202, Taiwan
[5] Mackay Mem Hosp, Dept Radiol, Hsinchu 300, Taiwan
[6] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland
来源：
JOURNAL OF SYNCHROTRON RADIATION | 2009年 / 16卷
关键词：
methylene blue; bleaching; dosimetry; Fricke dosimetry; intense X-rays;
D O I：
10.1107/S0909049509007225
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Dose measurements based on methylene blue (MB) bleaching, widely used for ultraviolet light, can also be applied to X-rays including very high flux levels. This method has been tested by using both MB bleaching and Fricke dosimetry for a conventional monochromatic X-ray source and then for 'white-beam' synchrotron radiation. The results show that MB bleaching dosimetry can easily measure X-ray doses up to at least 10(5) Gy s(-1), as long as the MB concentration is sufficiently high. This condition can be verified from the deviations from linearity of the bleaching versus exposure time.
引用
收藏
页码：395 / 397
页数：3
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