An x-ray biplanar photodiode and the x-ray emission from magnetically confined laser produced plasma

被引：0
|
作者：
V. N. Rai
M. Shukla
H. C. Pant
机构：
[1] Centre for Advanced Technology,Laser Plasma Laboratory
来源：
Pramana | 1999年 / 52卷
关键词：
Biplanar vacuum photodiode; x-ray emission; laser plasma; magnetic field; 52.70; 52.25; 52.40;
D O I：
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学科分类号：
摘要：
Development of a single and multichannel biplanar vacuum photodiode for x-ray detection is reported, which has been used to study the x-ray emission from laser produced plasma expanding across an externally applied magnetic field. Two to three times enhancement in x-ray emission has been observed which was found correlated with decrease in size of the x-ray emitting plasma plume (expansion velocity of plasma). Experimental observations were found in close agreement with the analytical model based on an increase in plasma density as a result of plasma confinement in magnetic field. Temporal evolution of x-ray emission indicates that recombination radiation seems to be playing an important role in x-ray enhancement.
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页码：49 / 65
页数：16
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