Development of a Real-Time Ion Spectrometer with a Scintillator for Laser-Driven Ion Acceleration Experiments

A real-time ion spectrometer mainly based on a high-resolution Thomson parabola and a plastic scintillator is designed and developed. The spectrometer is calibrated by protons from an electrostatic accelerator. The feasibility and reliability of the diagnostics are demonstrated in laser-driven ion a...

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Bibliographic Details
Published in:Chinese physics letters 2011-09, Vol.28 (9), p.095203-1-095203-4
Main Authors: Xu, Miao-Hua (妙华 徐), Li, Hong-Wei (红伟 李), Liu, Bi-Cheng (必成 刘), Liu, Feng (峰刘), Su, Lu-Ning (鲁宁 苏), Du, Fei (飞杜), Zhang, Lu (璐张), Zheng, Yi (轶郑), Ma, Jing-Long (景龙 马), Neely, David, McKenna, Paul, Wang, Zhao-Hua (兆华 王), Wei, Zhi-Yi (志义 魏), Yan, Xue-Qing (学庆 颜), Li, Yu-Tong (玉同 李), Li, Ying-Jun (英骏 李), Zhang, Jie (杰张)
Format: Article
Language:English
Subjects:
Acceleration
Accelerators
Beams (radiation)
Extrapolation
Lasers
Real time
Spectra
Spectrometers
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Summary:A real-time ion spectrometer mainly based on a high-resolution Thomson parabola and a plastic scintillator is designed and developed. The spectrometer is calibrated by protons from an electrostatic accelerator. The feasibility and reliability of the diagnostics are demonstrated in laser-driven ion acceleration experiments performed on the XL-II laser facility. The proton spectrum extrapolated from the scintillator data is in excellent agreement with the CR39 spectrum in terms of beam temperature and the cutoff energy. This real-time spectrometer allows an online measurement of the ion spectra in single shot, which enables efficient and statistical studies and applications in high-repetition-rate laser acceleration experiments.
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/28/9/095203