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Optical Engineering

Enhancement of laser-driven betatron radiation
Author(s): Minghua Li; Liming Chen; Dazhang Li; Wenchao Yan; Kai Huang; Yong Ma; Zheng-Ming Sheng; Jie Zhang
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Paper Abstract

Betatron radiation from the transverse oscillation of laser-wakefield accelerated electrons is very promising for a wide range of applications. Currently, the main limitation of this radiation source is the x-ray photon yield. We present our recent progress in achieving higher photon flux using a clustering gas target instead of the normal gas jet, leading to a 10-fold enhancement. Moreover, we observed monoenergetic electron beams and bright x-rays simultaneously, an occurrence which is considered contradictory, and succeeded in using the betatron radiation as a probe in the evolution of bubble dynamics. These breakthroughs are of great significance for pushing the use of betatron radiation source toward new applications.

Paper Details

Date Published: 21 December 2015
PDF: 5 pages
Opt. Eng. 54(12) 127105 doi: 10.1117/1.OE.54.12.127105
Published in: Optical Engineering Volume 54, Issue 12
Show Author Affiliations
Minghua Li, Institute of Physics (China)
Liming Chen, Institute of Physics (China)
Dazhang Li, Institute of High Energy Physics (China)
Wenchao Yan, Institute of Physics (China)
Kai Huang, Institute of Physics (China)
Yong Ma, Institute of Physics (China)
Zheng-Ming Sheng, Shanghai Jiao Tong Univ. (China)
Univ. of Strathclyde (United Kingdom)
Jie Zhang, Shanghai Jiao Tong Univ. (China)

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