A fibre based triature interferometer for measuring rapidly evolving, ablatively driven plasma densities | Zendy

J A Macdonald | Zendy; S. N. Bland | Zendy; J. Threadgold | Zendy

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A fibre based triature interferometer for measuring rapidly evolving, ablatively driven plasma densities

Author(s) -

J A Macdonald,

S. N. Bland,

J. Threadgold

Publication year - 2015

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 - 10.1063/1.4927231

Subject(s) - interferometry , plasma , coaxial , optics , laser , plasma diagnostics , materials science , dense plasma focus , physics , nuclear physics , computer science , telecommunications

We report on the first use of a fibre interferometer incorporating triature analysis for measuring rapidly evolving plasma densities of n(e) ∼ 10(13)/cm(3) and above, such as those produced by simple coaxial plasma guns. The resultant system is extremely portable, easy to field in experiments, relatively cheap to produce, and—with the exception of a small open area in which the plasma is sampled—safe in operation as all laser light is enclosed.

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