Measurement of derivative of ion temperature using high spatial resolution charge exchange spectroscopy with space modulation optics

K. Ida, Y. Sakamoto, M. Yoshinuma, S. Inagaki, T. Kobuchi, G. Matsunaga, Y. Koide

研究成果: Contribution to journalArticle査読

20 被引用数 (Scopus)

抄録

A new technique to measure the first and second derivatives of the ion temperature profile has been developed by using a charge exchange spectroscopy system with space modulation optics. The space observed is scanned up to ±3 cm with a cosine wave modulation frequency up to 30 Hz by shifting the object lens in front of the optical fiber bundle by 0.5 mm with a piezoelement. The first and second derivatives of ion temperature are derived from the modulation component of the ion temperature measured by using Fourier series expansion.

本文言語英語
論文番号053506
ジャーナルReview of Scientific Instruments
79
5
DOI
出版ステータス出版済み - 2008
外部発表はい

All Science Journal Classification (ASJC) codes

  • 器械工学

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