Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility

doi:10.1088/1674-1056/21/12/125202

Chin. Phys. B ›› 2012, Vol. 21 ›› Issue (12): 125202-125202.doi: 10.1088/1674-1056/21/12/125202

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility

李沫, 吴坚, 王亮平, 吴刚, 韩娟娟, 郭宁, 邱孟通

Northwest Institute of Nuclear Technology, Xi'an 710024, China

收稿日期:2012-05-02 修回日期:2012-05-30 出版日期:2012-11-01 发布日期:2012-11-01
基金资助:
Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 10905047).

Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility

Li Mo (李沫), Wu Jian (吴坚), Wang Liang-Ping (王亮平), Wu Gang (吴刚), Han Juan-Juan (韩娟娟), Guo Ning (郭宁), Qiu Meng-Tong (邱孟通)

Northwest Institute of Nuclear Technology, Xi'an 710024, China

Received:2012-05-02 Revised:2012-05-30 Online:2012-11-01 Published:2012-11-01
Contact: Li Mo E-mail:lemon7665@sina.com
Supported by:
Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 10905047).

摘要/Abstract

摘要： Two curved crystal spectrometers are setup on "QiangGuang-1" generator to measure the z-pinch plasma spectra emitted from planar aluminum wire array loads. The Kodak Biomax-MS film and IRD AXUVHS5# array are employed to record time-integrated and time-resolved free-bound radiation respectively. The photon energy recorded by each detector is ascertained by using the L-shell lines of molybdenum plasma. Based on the exponential relation between the continuum power and photon energies, the aluminum plasma electron temperatures are measured. For the time-integrated diagnosis, several "bright spots" indicate electron temperatures between (450 eV～520 eV)± 35%. And for the time-resolved ones, the result shows that the electron temperature reaches about 800 eV±30% at peak power. The system satisfies the demand of z-pinch plasma electron temperature diagnosis on ～1 MA facility.

关键词: electron temperature, continuum, curved crystal spectrometer, z-pinch

Abstract: Two curved crystal spectrometers are setup on "QiangGuang-1" generator to measure the z-pinch plasma spectra emitted from planar aluminum wire array loads. The Kodak Biomax-MS film and IRD AXUVHS5# array are employed to record time-integrated and time-resolved free-bound radiation respectively. The photon energy recorded by each detector is ascertained by using the L-shell lines of molybdenum plasma. Based on the exponential relation between the continuum power and photon energies, the aluminum plasma electron temperatures are measured. For the time-integrated diagnosis, several "bright spots" indicate electron temperatures between (450 eV～520 eV)± 35%. And for the time-resolved ones, the result shows that the electron temperature reaches about 800 eV±30% at peak power. The system satisfies the demand of z-pinch plasma electron temperature diagnosis on ～1 MA facility.

Key words: electron temperature, continuum, curved crystal spectrometer, z-pinch

中图分类号: (X-ray and γ-ray measurements)

52.70.La

32.30.Rj (X-ray spectra)

李沫, 吴坚, 王亮平, 吴刚, 韩娟娟, 郭宁, 邱孟通. Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility[J]. Chin. Phys. B, 2012, 21(12): 125202-125202.

Li Mo (李沫), Wu Jian (吴坚), Wang Liang-Ping (王亮平), Wu Gang (吴刚), Han Juan-Juan (韩娟娟), Guo Ning (郭宁), Qiu Meng-Tong (邱孟通). Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility[J]. Chin. Phys. B, 2012, 21(12): 125202-125202.

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Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility

Electron temperature diagnostics of aluminium plasma in z-pinch experiment on “QiangGuang-1” facility

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