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Measurement of low-temperature plasma density with charge collectors

  • Yu Lan Chen
  • , Zheng Zhong Zeng
  • , Bin Kuai
  • , Ai Ci Qiu
  • , Pei Tian Cong
  • , Tian Xue Liang
  • , Liang Ping Wang
  • , Feng Ju Sun
  • , Jia Hui Yin
  • Northwest Institute of Nuclear Technology

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The density and drift velocity of the low-temperature plasma produced by a cable plasma gun array are measured with charge collectors under positive (135 V) and negative bias (-117 V) and low-pressure air-embedment (0.5 Pa) without bias. The drift velocities under different collecting conditions are close to each other, which are 2.5, 2.4, 2.0 cm·μs-1 respectively. At the same place, the measured plasma densities are 8.3 × 1014, 1.2 × 1015, 4.8 × 1014 cm-3 respectively. The density is the greatest with negative bias and the smallest with low-pressure air-embedment.

Original languageEnglish
Pages (from-to)206-208
Number of pages3
JournalQiangjiguang Yu Lizishu/High Power Laser and Particle Beams
Volume17
Issue number2
StatePublished - Feb 2005
Externally publishedYes

Keywords

  • Charge collector
  • Low-temperature plasma
  • Plasma density
  • Plasma opening switch

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