Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma
Abstract
We are developing a laser ion source to provide a high brightness multi-charged heavy ion beam as a part of the heavy ion beam probe system, which will be used to diagnose plasma potential in the Ring Trap 1 device at the University of Tokyo. As a probe beam, Nb2+ was selected, and a detailed laser irradiation condition was explored. It was found that the laser power density of 1.2 × 109 W/cm2 gives the maximum particle number of Nb2+ per laser energy from a niobium foil target. Essential ablation plasma parameters to design the laser ion source were also obtained. The expected beam current was more than 12 mA/cm2, with a pulse width of 3.1 µs at 200 mm away from the target.
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1605616
- Grant/Contract Number:
- AC02-98CH10886
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Name: Review of Scientific Instruments Journal Volume: 91 Journal Issue: 3; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Nakamura, K., Nishiura, M., Okamura, M., Kanesue, T., Ikeda, S., and Cannavo, A. Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma. United States: N. p., 2020.
Web. doi:10.1063/1.5128642.
Nakamura, K., Nishiura, M., Okamura, M., Kanesue, T., Ikeda, S., & Cannavo, A. Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma. United States. https://doi.org/10.1063/1.5128642
Nakamura, K., Nishiura, M., Okamura, M., Kanesue, T., Ikeda, S., and Cannavo, A. Fri .
"Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma". United States. https://doi.org/10.1063/1.5128642.
@article{osti_1605616,
title = {Feasibility study of a compact heavy ion source for investigation of laboratory magnetospheric plasma},
author = {Nakamura, K. and Nishiura, M. and Okamura, M. and Kanesue, T. and Ikeda, S. and Cannavo, A.},
abstractNote = {We are developing a laser ion source to provide a high brightness multi-charged heavy ion beam as a part of the heavy ion beam probe system, which will be used to diagnose plasma potential in the Ring Trap 1 device at the University of Tokyo. As a probe beam, Nb2+ was selected, and a detailed laser irradiation condition was explored. It was found that the laser power density of 1.2 × 109 W/cm2 gives the maximum particle number of Nb2+ per laser energy from a niobium foil target. Essential ablation plasma parameters to design the laser ion source were also obtained. The expected beam current was more than 12 mA/cm2, with a pulse width of 3.1 µs at 200 mm away from the target.},
doi = {10.1063/1.5128642},
journal = {Review of Scientific Instruments},
number = 3,
volume = 91,
place = {United States},
year = {Fri Mar 20 00:00:00 EDT 2020},
month = {Fri Mar 20 00:00:00 EDT 2020}
}
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