Estimation of plasma density perturbation from dusty plasma injection by laser irradiation on tungsten target in DiPS
- Authors
- Kang, In Je; Bae, Min-Keun; Park, In Sun; Lee, Min Ji; Chung, Kyu-Sun
- Issue Date
- Apr-2020
- Publisher
- IOP PUBLISHING LTD
- Keywords
- plasma density perturbation; dusty plasma; tungsten dust; DiPS
- Citation
- PLASMA SCIENCE & TECHNOLOGY, v.22, no.4, pp.1 - 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- PLASMA SCIENCE & TECHNOLOGY
- Volume
- 22
- Number
- 4
- Start Page
- 1
- End Page
- 7
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/145923
- DOI
- 10.1088/2058-6272/ab568c
- ISSN
- 1009-0630
- Abstract
- To investigate the interaction of dusty plasma with magnetized plasmas at divertor plasma simulator, radial profiles of plasma density (n(e)) and electron temperature were measured in terms of plasma discharge currents and magnetic flux intensity by using a fast scanning probes system with triple tips. Dusty plasma with dusts (a generation rate of 3 mu g s(-1) and a size of 1-10 mu m) was produced via interactions between a high-power laser beam and a full tungsten target. As n(e) increases, the scale of the effects of dusty plasma injection on magnetized plasmas was decreased. Also, the duration of transient fluctuation was reduced. For numerical estimation of plasma density perturbation due to dusty plasma injection, the result was similar to 10% at a core region of the magnetized plasma with n(e) of (2-5) x 10(11) cm(-3) at steady state condition.
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