PLASMA PARAMETERS CONTROL WITH GRID IN A SIMULATED ENVIRONMENT OF LEO
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摘要: 通常采用ECR等离子体源产生的等离子体的温度和密度都比较大,通过附加适当目数的栅网,并在栅网上加一定的偏置电位来对等离子体参数,尤其是温度、密度进行调整,满足空间等离子体环境模拟要求.本文利用14目、25目的栅网,对己有的地面实验室空间等离子体环境进行了改进,得到了更加接近空间等离子体参数的一个地面模拟环境.Abstract: The plasma generated by ECR plasma sources has a higher electron temperature and density. And the LEO plasma has lower ones. So we need to lower the temperature and density to simulate the LEO plasma environment in ground lab. By using a grid, grounded or with a bias volt, we successfully achieve the aim.
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Key words:
- Space plasma environment /
- ECR /
- Plasma source
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