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Identification of errors in the electron density measurements of a tangential interferometer/polarimeter system during a tokamak discharge

接線入射レーザー干渉・偏光計の放電中のプラズマ電子密度計測エラー識別法

荒川 弘之; 河野 康則; 伊丹 潔

Arakawa, Hiroyuki; Kawano, Yasunori; Itami, Kiyoshi

A new method for identifying the errors on electron density measurements in tangential interferometer/polarimeter system during a discharge is proposed. The possible errors in interferometer and polarimeter are classified and identified by focusing on the differences of their measurement methods. Fringe shift error of interferometer and low-frequency noise of polarimeter are identified in JT-60U tangential interferometer/polarimeter system.

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パーセンタイル:7.13

分野:Instruments & Instrumentation

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