A polarimeter for localized continuous measurement of the poloidal magnetic field in a tokamak

L. K. Huang*, M. Finkenthal, H. W. Moos

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

A polarimeter for the circular polarization of Zeeman-split spectral line emissions has been developed to measure the poloidal magnetic field in tokamak plasmas. The Li I 6708 Å line originating from a monoenergetic lithium beam provided a localized spectral source. In the polarimeter, interference filters of narrow bandpass were set at the peak wavelength of the circular polarization, enabling the measurement to be continuous and sensitive.

Original languageEnglish
Pages (from-to)1142-1148
Number of pages7
JournalReview of Scientific Instruments
Volume62
Issue number5
DOIs
StatePublished - 1991
Externally publishedYes

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