Speaker
Jinghan Yang
(Huazhong University of Science and Technology)
Description
Magnetic filter is important for negative ion sources, it cools down the electron temperature near the extraction area. The magnetic filter can be produced by permanent magnets or by large current flow through the plasma grid. The plasma transport process from the driver to the extraction area is affected by the magnetic filter, we used a movable Langmuir probe to measure the plasma spatial distribution from the driver to the plasma grid. The magnetic filter is not only present in the expansion region, it also penetrates into the driver. Plasma parameters in the driver are measured to study the influence of magnetic field penetration on plasma production.
| E-mail for contact person | D201980402@hust.edu.cn |
|---|---|
| Funding Information | This work was supported by the National Key Research and Development Program of China [Grant No. 2017YFE0300105], the National Natural Science Foundation of China (General Program) [Grant Nos. 11775088, 11705063]. |
Authors
Jinghan Yang
(Huazhong University of Science and Technology)
Dong Li
(Huazhong University of Science and Technology)
Peng Chen
(Huazhong University of Science and Technology)
Zengshan Li
(Huazhong University of Science and Technology)
Dezhi Chen
(Huazhong University of Science and Technology)
