Design and installation of a new electron cyclotron emission diagnostic antenna in LHD

Hayato Tsuchiya, Yoshio Nagayama, Kazuo Kawahata, Shigeru Inagaki, Shin Kubo

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

A new electron cyclotron emission (ECE) antenna was designed and installed outside of torus, when the heating and diagnostics systems were reconfigured in LHD. Its design is based on Gaussian beam optics and consists of two plane and two concave mirrors. The mirror surfaces are defined using the concept of constant phase to improve matching to the corrugated waveguide. The new ECE antenna was used in a 2010 experiment to measure the electron temperature profile and its fluctuations.

Original languageEnglish
Article number2402114
JournalPlasma and Fusion Research
Volume6
Issue number1 SPECIAL ISSUE
DOIs
Publication statusPublished - 2011

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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