First Results of Electron Temperature Measurements with a Multi-Pass Thomson Scattering System in the Tandem Mirror GAMMA 10

A multi-pass Thomson scattering (TS) system has the advantage of enhancing scattered signals. We constructed a multi-pass TS system modeled on the GAMMA 10 TS system; the new system has a polarization-based configuration with an image relaying system. For the first time, we used the new system to me...

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Published inPlasma and Fusion Research Vol. 9; p. 1202126
Main Authors YOSHIKAWA, Masayuki, YASUHARA, Ryo, NAGASU, Kazuhide, SHIMAMURA, Yuuki, SHIMA, Yoriko, KOHAGURA, Junko, SAKAMOTO, Mizuki, NAKASHIMA, Yousuke, IMAI, Tsuyoshi, ICHIMURA, Makoto, YAMADA, Ichihiro, FUNABA, Hisamichi, KAWAHATA, Kazuo, MINAMI, Takashi
Format Journal Article
LanguageEnglish
Published The Japan Society of Plasma Science and Nuclear Fusion Research 2014
Subjects
multi-pass
polarization-controlled
tandem mirror GAMMA 10
Thomson scattering
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Summary:A multi-pass Thomson scattering (TS) system has the advantage of enhancing scattered signals. We constructed a multi-pass TS system modeled on the GAMMA 10 TS system; the new system has a polarization-based configuration with an image relaying system. For the first time, we used the new system to measure electron temperatures in the GAMMA 10 plasma. By using the multi-pass TS system with four passes, the integrated scattering signal was magnified by approximately a factor of three.
ISSN:1880-6821
1880-6821
DOI:10.1585/pfr.9.1202126