Upon the interaction of 60 TW Ti: sapphire laser pulses with 4 mm long supersonic nitrogen gas jet, a directional x-ray emission was generated along with the generation of stable quasi-monoenergetic electron beams having a peak energy of 130 MeV and a relative energy spread of ∼ 20%. The betatron x-ray emission had a small divergence of 7.5 mrad and a critical energy of 4 keV. The laser wakefield acceleration process was stimulated in a background plasma density of merely 5.4 × 1017 cm−3 utilizing ionization injection. The non-self-focusing and stable propagation of the laser pulse in the pure nitrogen gaseous plasma should be responsible for the simultaneous generation of the high-quality X-ray and electron beams. Those ultra-short and naturally-synchronized beams could be applicable to ultrafast pump-probe experiments.
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17 November 2014
Research Article|
November 17 2014
Simultaneous generation of quasi-monoenergetic electron and betatron X-rays from nitrogen gas via ionization injection
K. Huang;
K. Huang
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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D. Z. Li;
D. Z. Li
2
Institute of High Energy Physics
, CAS, Beijing 100049, China
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W. C. Yan;
W. C. Yan
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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M. H. Li;
M. H. Li
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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M. Z. Tao;
M. Z. Tao
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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Z. Y. Chen;
Z. Y. Chen
3
Institute of Fluid Physics
, China Academy of Engineering Physics, Mianyang, 612900 Sichuan, China
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X. L. Ge;
X. L. Ge
4Key Laboratory for Laser Plasmas (MOE) and Department of Physics and Astronomy,
Shanghai Jiao Tong University
, Shanghai 200240, China
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F. Liu;
F. Liu
4Key Laboratory for Laser Plasmas (MOE) and Department of Physics and Astronomy,
Shanghai Jiao Tong University
, Shanghai 200240, China
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Y. Ma;
Y. Ma
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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J. R. Zhao;
J. R. Zhao
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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N. M. Hafz;
N. M. Hafz
4Key Laboratory for Laser Plasmas (MOE) and Department of Physics and Astronomy,
Shanghai Jiao Tong University
, Shanghai 200240, China
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J. Zhang;
J. Zhang
4Key Laboratory for Laser Plasmas (MOE) and Department of Physics and Astronomy,
Shanghai Jiao Tong University
, Shanghai 200240, China
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L. M. Chen
L. M. Chen
a)
1Beijing National Laboratory of Condensed Matter Physics,
Institute of Physics
, CAS, Beijing 100190, China
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a)
Electronic mail: lmchen@iphy.ac.cn
Appl. Phys. Lett. 105, 204101 (2014)
Article history
Received:
August 31 2014
Accepted:
November 03 2014
Citation
K. Huang, D. Z. Li, W. C. Yan, M. H. Li, M. Z. Tao, Z. Y. Chen, X. L. Ge, F. Liu, Y. Ma, J. R. Zhao, N. M. Hafz, J. Zhang, L. M. Chen; Simultaneous generation of quasi-monoenergetic electron and betatron X-rays from nitrogen gas via ionization injection. Appl. Phys. Lett. 17 November 2014; 105 (20): 204101. https://doi.org/10.1063/1.4902127
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