Electron Density Measurement by Using a Multi-Channel Interferometer System in the Tandem Mirror GAMMA 10
Fluctuation in the plasma is important to be measured for studying the improvement of the plasma confinement by the formation of the plasma confinement potential. Density fluctuation is observed using microwaves, such as interferometer, reflectometry and Fraunhofer diffraction method. We have constr...
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| Veröffentlicht in: | Plasma and Fusion Research 2007, Vol.2, pp.S1036-S1036 |
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| container_title | Plasma and Fusion Research |
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| creator | YOSHIKAWA, Masayuki MATSUMOTO, Takatoshi SHIMA, Yoriko NAKAHARA, Akinori YANAGI, Naoyuki ITAKURA, Akiyosi HOJO, Hitoshi KUBOTA, Yuusuke KOBAYASHI, Takayuki HIGASHIZONO, Yuta NAKASHIMA, Yousuke TATEMATSU, Yoshinori IMAI, Tsuyoshi CHO, Teruji |
| description | Fluctuation in the plasma is important to be measured for studying the improvement of the plasma confinement by the formation of the plasma confinement potential. Density fluctuation is observed using microwaves, such as interferometer, reflectometry and Fraunhofer diffraction method. We have constructed a new multi-channel microwave interferometer for measuring the plasma density and fluctuation radial profiles in a single plasma shot. In order to study higher density plasma operation, we have started sub-millimeter hydrogen ice pellet injection experiments into the potential confined plasma. We successfully measured the time dependent density and line-integrated density fluctuation radial profiles in the pellet injection experiments using the multi-channel microwave interferometer. |
| doi_str_mv | 10.1585/pfr.2.S1036 |
| format | Article |
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Density fluctuation is observed using microwaves, such as interferometer, reflectometry and Fraunhofer diffraction method. We have constructed a new multi-channel microwave interferometer for measuring the plasma density and fluctuation radial profiles in a single plasma shot. In order to study higher density plasma operation, we have started sub-millimeter hydrogen ice pellet injection experiments into the potential confined plasma. 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Density fluctuation is observed using microwaves, such as interferometer, reflectometry and Fraunhofer diffraction method. We have constructed a new multi-channel microwave interferometer for measuring the plasma density and fluctuation radial profiles in a single plasma shot. In order to study higher density plasma operation, we have started sub-millimeter hydrogen ice pellet injection experiments into the potential confined plasma. We successfully measured the time dependent density and line-integrated density fluctuation radial profiles in the pellet injection experiments using the multi-channel microwave interferometer.</description><subject>density profile</subject><subject>fluctuation</subject><subject>GAMMA 10</subject><subject>multi-channel microwave interferometer</subject><subject>pellet injection</subject><issn>1880-6821</issn><issn>1880-6821</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNpNkD1vwjAQhq2qlUppp_4B71WoP5LgTBWilCIRdQBmyzhnMEocZJsh_74pINThdO_pnrvhQeiVkhHNRPZ-NH7ERitKeH6HBlQIkuSC0ft_-RE9hXAgJC8ymg-QndWgo28d_gQXbOxwCSqcPDTgIt52eBOs22GFy1MdbTLdK-egxgsXwRvwbQN9wKsuRGiwdTjuAa-Vq_qptN63Hs8nZTnBlDyjB6PqAC_XPkSbr9l6-p0sf-aL6WSZaM5Fnigw49TorQLKim1GDReMp5QpwVJSFABccZ0aQStTGW1ExcYpVRTGOktJxnM-RG-Xv9q3IXgw8uhto3wnKZF_lmRvSTJ5ttTTHxf6EKLawY1VPlpdw5Ul5zpf3DZ6r7wEx38Bat1ybg</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>YOSHIKAWA, Masayuki</creator><creator>MATSUMOTO, Takatoshi</creator><creator>SHIMA, Yoriko</creator><creator>NAKAHARA, Akinori</creator><creator>YANAGI, Naoyuki</creator><creator>ITAKURA, Akiyosi</creator><creator>HOJO, Hitoshi</creator><creator>KUBOTA, Yuusuke</creator><creator>KOBAYASHI, Takayuki</creator><creator>HIGASHIZONO, Yuta</creator><creator>NAKASHIMA, Yousuke</creator><creator>TATEMATSU, Yoshinori</creator><creator>IMAI, Tsuyoshi</creator><creator>CHO, Teruji</creator><general>The Japan Society of Plasma Science and Nuclear Fusion Research</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2007</creationdate><title>Electron Density Measurement by Using a Multi-Channel Interferometer System in the Tandem Mirror GAMMA 10</title><author>YOSHIKAWA, Masayuki ; MATSUMOTO, Takatoshi ; SHIMA, Yoriko ; NAKAHARA, Akinori ; YANAGI, Naoyuki ; ITAKURA, Akiyosi ; HOJO, Hitoshi ; KUBOTA, Yuusuke ; KOBAYASHI, Takayuki ; HIGASHIZONO, Yuta ; NAKASHIMA, Yousuke ; TATEMATSU, Yoshinori ; IMAI, Tsuyoshi ; CHO, Teruji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3386-aef74fcbae129b51f3823412a824099ee3a3c4f81dfdfcf8d2741a1e7c5405363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>density profile</topic><topic>fluctuation</topic><topic>GAMMA 10</topic><topic>multi-channel microwave interferometer</topic><topic>pellet injection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>YOSHIKAWA, Masayuki</creatorcontrib><creatorcontrib>MATSUMOTO, Takatoshi</creatorcontrib><creatorcontrib>SHIMA, Yoriko</creatorcontrib><creatorcontrib>NAKAHARA, Akinori</creatorcontrib><creatorcontrib>YANAGI, Naoyuki</creatorcontrib><creatorcontrib>ITAKURA, Akiyosi</creatorcontrib><creatorcontrib>HOJO, Hitoshi</creatorcontrib><creatorcontrib>KUBOTA, Yuusuke</creatorcontrib><creatorcontrib>KOBAYASHI, Takayuki</creatorcontrib><creatorcontrib>HIGASHIZONO, Yuta</creatorcontrib><creatorcontrib>NAKASHIMA, Yousuke</creatorcontrib><creatorcontrib>TATEMATSU, Yoshinori</creatorcontrib><creatorcontrib>IMAI, Tsuyoshi</creatorcontrib><creatorcontrib>CHO, Teruji</creatorcontrib><collection>CrossRef</collection><jtitle>Plasma and Fusion Research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>YOSHIKAWA, Masayuki</au><au>MATSUMOTO, Takatoshi</au><au>SHIMA, Yoriko</au><au>NAKAHARA, Akinori</au><au>YANAGI, Naoyuki</au><au>ITAKURA, Akiyosi</au><au>HOJO, Hitoshi</au><au>KUBOTA, Yuusuke</au><au>KOBAYASHI, Takayuki</au><au>HIGASHIZONO, Yuta</au><au>NAKASHIMA, Yousuke</au><au>TATEMATSU, Yoshinori</au><au>IMAI, Tsuyoshi</au><au>CHO, Teruji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron Density Measurement by Using a Multi-Channel Interferometer System in the Tandem Mirror GAMMA 10</atitle><jtitle>Plasma and Fusion Research</jtitle><addtitle>Plasma and Fusion Research</addtitle><date>2007</date><risdate>2007</risdate><volume>2</volume><spage>S1036</spage><epage>S1036</epage><pages>S1036-S1036</pages><issn>1880-6821</issn><eissn>1880-6821</eissn><abstract>Fluctuation in the plasma is important to be measured for studying the improvement of the plasma confinement by the formation of the plasma confinement potential. Density fluctuation is observed using microwaves, such as interferometer, reflectometry and Fraunhofer diffraction method. We have constructed a new multi-channel microwave interferometer for measuring the plasma density and fluctuation radial profiles in a single plasma shot. In order to study higher density plasma operation, we have started sub-millimeter hydrogen ice pellet injection experiments into the potential confined plasma. We successfully measured the time dependent density and line-integrated density fluctuation radial profiles in the pellet injection experiments using the multi-channel microwave interferometer.</abstract><pub>The Japan Society of Plasma Science and Nuclear Fusion Research</pub><doi>10.1585/pfr.2.S1036</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1880-6821 |
| ispartof | Plasma and Fusion Research, 2007, Vol.2, pp.S1036-S1036 |
| issn | 1880-6821 1880-6821 |
| language | eng |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Open Access Titles of Japan; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | density profile fluctuation GAMMA 10 multi-channel microwave interferometer pellet injection |
| title | Electron Density Measurement by Using a Multi-Channel Interferometer System in the Tandem Mirror GAMMA 10 |
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