Back-diffusion plasma generator for ionosphere study

H. K. Fang, K. I. Oyama, Bing-Chih Chen

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

To produce ionospheric plasma environments at ground level is essential to get information not only for the development of CubeSat-class spacecraft but also for the design of ionospheric plasma instruments and to confirm their performance. In this paper, we describe the principle of plasma generation and characteristics of the back-diffusion plasma source, which can produce in-lab plasma similar to the Earth's ionosphere, E and F regions, conditions of electron and ion temperature and density. The ion and electron energy distributions of the plasma generated by a back-diffusion source are measured by means of a cleaned Langmuir probe and gridded particle energy analyzers. The ion motion in front of the source is investigated by a hard-sphere collision model in SIMION software and the simulation results are comparable with the findings of our experiment. Furthermore, plasma densities and ion temperatures at different positions in front of the source are also demonstrated. The back-diffusion source has been accommodated for ionospheric plasma productions in several Asian institutes. The plasma characteristics of the source shown in this paper will benefit space research groups in the development of space plasma instruments.

Original languageEnglish
Article number115010
JournalPlasma Sources Science and Technology
Volume26
Issue number11
DOIs
Publication statusPublished - 2017 Oct 31

Fingerprint

plasma generators
ionospheres
ionospherics
ion temperature
electron energy
Earth ionosphere
plasma diffusion
ion motion
space plasmas
E region
F region
electrostatic probes
particle energy
plasma density
analyzers
energy distribution
spacecraft
computer programs
collisions
ions

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

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Back-diffusion plasma generator for ionosphere study. / Fang, H. K.; Oyama, K. I.; Chen, Bing-Chih.

In: Plasma Sources Science and Technology, Vol. 26, No. 11, 115010, 31.10.2017.

Research output: Contribution to journalArticle

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AU - Oyama, K. I.

AU - Chen, Bing-Chih

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