Studies of resonantly produced plasmas in the H-1NF heliac using a far-infrared scanning interferometer | Zendy

Scott Collis | Zendy; J. Howard | Zendy; G. B. Warr | Zendy; C. Michael | Zendy; J. H. Harris | Zendy; B. D. Blackwell | Zendy; D. G. Pretty | Zendy

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Studies of resonantly produced plasmas in the H-1NF heliac using a far-infrared scanning interferometer

Author(s) -

Scott Collis,

J. Howard,

G. B. Warr,

C. Michael,

J. H. Harris,

B. D. Blackwell,

D. G. Pretty

Publication year - 2003

Publication title -

review of scientific instruments

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.605

H-Index - 165

eISSN - 1089-7623

pISSN - 0034-6748

DOI - 10.1063/1.1538360

Subject(s) - interferometry , plasma , plasma diagnostics , far infrared , astronomical interferometer , helium , ion , atomic physics , cyclotron , hydrogen , materials science , infrared , optics , physics , plasma parameters , nuclear physics , quantum mechanics

The H-1NF heliac regularly operates using the ion cyclotron range of frequencies at 0.5 T to produce plasmas with a mixture of hydrogen and helium gases. Due to the complex three-dimensional structure of the magnetic fluxsurfaces, these plasmas require sophisticated diagnostic systems, with good spatial coverage, to extract meaningful physical information. This article presents a study of the dependence of the plasma density profile on resonant heating conditions and magnetic configuration, using a far-infrared scanning interferometer. Recent modifications to the system and data that illustrate the performance of the interferometer will be discussed.

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