Thomson scattering measurement of laser-produced plasma in a magnetic thrust chamber

被引：0

作者：

Itadani Y. ^{[1
]}

Morita T. ^{[2
]}

Saito N. ^{[1
]}

Edamoto M. ^{[1
]}

Kojima T. ^{[1
]}

Takagi M. ^{[3
]}

Nagashima K. ^{[3
]}

Fujioka S. ^{[4
]}

Yogo A. ^{[4
]}

Nishimura H. ^{[4
]}

Sunahara A. ^{[5
]}

Mori Y. ^{[6
]}

Johzaki T. ^{[7
]}

Nakashima H. ^{[2
]}

Yamamoto N. ^{[2
]}

机构：

[1] Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga

[2] Faculty of Engineering Sciences, Kyushu University, Kasuga

[3] Faculity of Engineering, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka

[4] Institute of Laser Engineering, Osaka University, Suita

[5] Center for Materials Under Extreme Environment, School of Nuclear Engineering, Purdue University, West Lafayette, 47907, IN

[6] The Graduate School for the Creation of New Photonics Industries, Hamamatsu

[7] Hiroshima University, Higashi Hiroshima

来源：

Itadani, Yutaro (itadani@aees.kyushu-u.ac.jp) | 2018年 / Japan Society of Plasma Science and Nuclear Fusion Research卷 / 13期

基金：

日本学术振兴会;

关键词：

Ablation plasma; High-power laser; Laser fusion rocket; Magnetic thrust chamber; Thomson scattering;

D O I：

10.1585/PFR.13.1306016

中图分类号：

学科分类号：

摘要：

Laser fusion rocket is one of the candidate propulsion devices for Mars exploration. It obtains thrust from the interaction between plasma and magnetic field and this propulsion system is called magnetic thrust chamber. We constructed a spectrometer with high wavelength resolution of 35 pm to obtain plasma parameters by measuring ion feature of laser Thomson scattering from a laser-produced plasma in a magnetic thrust chamber. We obtain the plasma parameters such as electron temperature, electron density, and velocity as well as the plasma density structure showing the stagnation of the plasma by magnetic field. © 2019 The Japan Society of Plasma Science and Nuclear Fusion Research.

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