Measurements of Plasma Core Properties in an Inertial-Electrostatic Confinement Fusion Device

K. Yoshikawa; K. Takiyama; K. Masuda; H. Toku; T. Koyama; K. Taruya; H. Hashimoto; A. Nagafuchi; T. Mizutani; Y. Yamamoto; M. Ohnishi; H. Horiike; N. Inoue

doi:dx.doi.org/10.13182/FST01-A11963283

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Measurements of Plasma Core Properties in an Inertial-Electrostatic Confinement Fusion Device

K. Yoshikawa, K. Takiyama, K. Masuda, H. Toku, T. Koyama, K. Taruya, H. Hashimoto, A. Nagafuchi, T. Mizutani, Y. Yamamoto, M. Ohnishi, H. Horiike, N. Inoue

Fusion Science and Technology / Volume 39 / Number 2P2 / March 2001 / Pages 486-491

Alternate and Advanced Concepts / dx.doi.org/10.13182/FST01-A11963283

Published:February 8, 2018

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Strongly localized electric fields were measured in the central cathode He plasma core region of an Inertial-Electrostatic Confinement Fusion (IECF) device by using the laser-induced fluorescence (LIF) method as well as plasma core diameter to examine their correlations.

It was found that the FWHM of plasma core diameter increases slightly with the increasing ion beam perveance. Comparison of the intensity profile of the plasma core is made with that of the electric quadrupole moment (QDP) component. For the cases of potential profiles with one peak, the peak positions show good correspondence with each other, while the profiles themselves are vastly different to each other.