X-ray backlighting using an X-pinch

Ran, 张然 Zhang; Zhao, Tong; Xiaobing, 邹晓兵 Zou; Xinxin, 王新新 Wang; Yongchao, 赵勇超 Zhao; Yanqiang, 杜彦强 Du; lianhui, 王联辉 Wang

doi:10.3788/hplpb20102204.0931

强激光与粒子束

2010

DOI: 10.3788/hplpb20102204.0931

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X-ray backlighting using an X-pinch

张然 Zhang Ran¹,

Tong Zhao²,

邹晓兵 Zou Xiaobing³

et al.

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Experimental investigation of radiation charactristics of Ti wire X-pinch X-ray source on Yang accelerator

Zhou¹,

Li²,

Huang³

et al. 2012

Acta Phys. Sin.

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The X-ray radiation properties of titanium wire X-pinch are investigated on the Yang accelerator at 500800 kA peak current with a rise time of about 80 ns. The radiation power, spectrum and source size of the X-pinch X-ray source are measured and analyzed using X-ray diodes, a transmission grating spectrometer, a crystal spectrometer and a slit camera. The hot dense spot smaller than 15 m emits 1 J of X-ray with an FWHM of 200 ps and a peak power of 1.5 GW distributed in the range of 14 keV. A method to efficiently generate a single X-ray pulse during the X-pinch implosion is demonstrated. The X-pinch presented here is useful for imaging the early stage interior structure of Z pinch as a backlight source.

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Experimental investigation of radiation charactristics of Ti wire X-pinch X-ray source on Yang accelerator

Zhou¹,

Li²,

Huang³

et al. 2012

Acta Phys. Sin.

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Axial backlighting of two-wire Z-pinch using an X-pinch as an X-ray source

Zhao¹,

Zhu²,

Shi³

et al. 2015

Acta Phys. Sin.

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The axial backlighting of two-wire Z-pinch using an X-pinch as an X-ray source was conducted on PPG-1, a pulsed power generator with a current of 400 kA in amplitude and 100 ns in pulse width. Its time-resolved axial backlighting images are obtained. In the backlighting images all the physical processes similar to those occurring in the early stage of the wire-array Z-pinch are observed, including the expansion of the high-density wire core surrounded by low-density coronal plasmas, the motion of the coronal plasma toward the axis of the wire-array, and the formation of precursor plasma. The areal mass density of the plasma shown in the backlighting images is calibrated with step-wedge filters. And the time-resolved radial distributions of the areal mass density of the plasma from the two-wire Z-pinch are obtained.

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X-ray backlighting using an X-pinch

Cited by 2 publications

References 0 publications

Experimental investigation of radiation charactristics of Ti wire X-pinch X-ray source on Yang accelerator

Experimental investigation of radiation charactristics of Ti wire X-pinch X-ray source on Yang accelerator

Axial backlighting of two-wire Z-pinch using an X-pinch as an X-ray source

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