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物理学报. 2008, 57(1): 111-115.
doi: 10.7498/aps.57.111.
超强激光超热电子激发的Kα X射线发射研究
- 收稿日期: 2006-11-27
- 修回日期: 2007-04-06
- 刊出日期: 2008-01-15
English Abstract
Investigation on Kα Ｘ-ray emission from ultraintense laser-produced hot electrons
- Received Date:
27 November 2006
- Accepted Date:
06 April 2007
- Published Online:
15 January 2008
Abstract: A dispersionless X-ray Kα spectrometer is constructed. The experiments were performed using the SILEX-I laser facility. The Kα Ｘ-ray emission from ultraintense laser-plasma interactions is measured with the spectrometer in front of and behind the foil targets. The conversion efficiency from laser energy to Kα Ｘ-ray is obtained. The experimental results show that the Kα yield increases with the laser energy. With a 100μm thick Mo foil, the conversion efficiency is 10-5.
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Keywords:
- X-ray emission /
- laser-foil interactions /
- Kα spectrometer
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