Application of micro magnetic probe to diagnosis of load current in Z-pinch experiments

xue feibiao; yang jianlun; xu rongkun

Volume 22 Issue 09

Aug. 2010

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Article Navigation > High Power Laser and Particle Beams > 2010 > 22(09): 0-

zhang wei, wu jian-hong, li chao-ming. Effect of wavefront aberration of grating on pulse compression[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

xue feibiao, yang jianlun, xu rongkun. Application of micro magnetic probe to diagnosis of load current in Z-pinch experiments[J]. High Power Laser and Particle Beams, 2010, 22.

zhang wei, wu jian-hong, li chao-ming. Effect of wavefront aberration of grating on pulse compression[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

xue feibiao, yang jianlun, xu rongkun. Application of micro magnetic probe to diagnosis of load current in Z-pinch experiments[J]. High Power Laser and Particle Beams, 2010, 22.

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Application of micro magnetic probe to diagnosis of load current in Z-pinch experiments

1.
Institute of Nuclear Physics and Chemistry,CAEP,P.O.Box 919-212,Mianyang 621900,China

Publish Date: 2010-08-17

Abstract

Abstract

The design principle of magnetic probe for current measurement through plasmas is introduced. A micro magnetic probe device is manufactured to diagnose the load current in Z-pinch experiments on pulsed power facilities, according to the actual structure of wire-array load and the experimental layout. The sensitivity of the probe is calibrated through a load simulator that has the same size as the load used in experiments. Experimental results show that, when the pulsed power facility works at 1.2 MA peak current with 60 ns rise-time, the load current measured by this probe has 12% difference in magnitude and 5 ns difference in peak current time from that measured by accelerator current monitor.
- magnetic probe,
- z-pinch,
- load current,
- pulsed power

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