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

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

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.

Keywords: electron temperature continuum curved crystal spectrometer z-pinch

Received: 02 May 2012
Revised: 30 May 2012
Accepted manuscript online:

PACS:	52.70.La	(X-ray and γ-ray measurements)
	32.30.Rj	(X-ray spectra)

Fund: Project supported by the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 10905047).

Corresponding Authors: Li Mo
E-mail: lemon7665@sina.com

Cite this article:

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 2012 Chin. Phys. B 21 125202

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

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