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Plasma property measurement in a miniature microwave discharge ion thruster by laser Thomson scattering

  • Naoji Yamamoto
  • , Shmya Kondo
  • , Teppei Tsuru
  • , Hideki Nakashima
  • , Amane Majima
  • , Naoto Yamasaki
  • , Kentaro Tomita
  • , Knchiro Uchino

研究成果: 書籍/レポート タイプへの寄稿 › 会議への寄与

抄録

For understanding the mechanism of plasma production and loss in a miniature microwave discharge ion thruster, plasma parameters, electron number density and electron energy distribution function, in a miniature microwave discharge ion thruster were successfully measured by means of laser Thomson scattering. A photon counting method and a double monochromator were used against small Thomson scattering signal and strong stray laser light. The result shows an electron energy distribution function is Maxwellian, since the scattered spectrum can be fitted by Gaussian at the temperature of 1.5 eV. An electron number density is 2.3 × 1018 m-3 The measured electron number density and electron temperature values were found to be reasonable compared with estimation deduced form extracted ion beam current.

本文言語英語
ホスト出版物のタイトル44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit
出版社American Institute of Aeronautics and Astronautics Inc.
ISBN(印刷版)9781563479434
DOI
出版ステータス出版済み - 2008

出版物シリーズ

名前44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit

!!!All Science Journal Classification (ASJC) codes

  • 航空宇宙工学
  • 制御およびシステム工学
  • 宇宙惑星科学
  • エネルギー一般
  • 電子工学および電気工学
  • 機械工学

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