Divertor Thomson Scattering on Globus-M2

N. V. Ermakov; Ермаков Н. В.; N. S. Zhiltsov; Жильцов Н. С.; G. S. Kurskiev; Курскиев Г. С.; E. E. Mukhin; Мухин Е. Е.; S. Yu. Tolstyakov; Толстяков С. Ю.; E. E. Tkachenko; Ткаченко Е. Е.; V. A. Solovey; Соловей В. А.; I. V. Bocharov; Бочаров И. В.; K. V. Dolgova; Долгова К. В.; A. A. Cavin; Кавин А. А.; A. N. Koval; Коваль А. Н.; K. O. Nikolaenko; Николаенко К. О.; A. N. Novokhatski; Новохацкий А. Н.; Yu. V. Petrov; Петров Ю. В.; V. A. Rozhansky; Рожанский В. А.; N. V. Sakharov; Сахаров Н. В.; I. Yu. Senichenkov; Сениченков И. Ю.

doi:10.31857/S036729212360098X

Divertor Thomson Scattering on Globus-M2

Authors: Ermakov N.V.¹, Zhiltsov N.S.¹, Kurskiev G.S.¹, Mukhin E.E.¹, Tolstyakov S.Y.¹, Tkachenko E.E.¹, Solovey V.A.¹, Bocharov I.V.¹, Dolgova K.V.², Cavin A.A.³, Koval A.N.¹, Nikolaenko K.O.¹, Novokhatski A.N.¹, Petrov Y.V.¹, Rozhansky V.A.², Sakharov N.V.¹, Senichenkov I.Y.²
Affiliations:
1. Ioffe Institute
2. Peter the Great SPbPU
3. Efremov Institute
Issue: Vol 49, No 12 (2023)
Pages: 1271-1281
Section: TOKAMAKS
URL: https://ruspoj.com/0367-2921/article/view/668881
DOI: https://doi.org/10.31857/S036729212360098X
EDN: https://elibrary.ru/CFQPRJ
ID: 668881

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Abstract

We present the first Thomson scattering (TS) measurements of electron temperature and density
in the lower divertor of the Globus-M2 tokamak. The divertor TS diagnostics is designed for local measurements
of the Te(z, t) in the range of 1–100 eV and ne(z, t) in the range of m–3. Parameters of the
probing Nd:YAG laser are as follows 1064 nm/2 J/100 Hz/3 ns. The probing chord is launched vertically at
R = 24 cm and covers areas of the inner leg, vicinity of separatrix and private flux region. Along probing chord
of 110 mm, 9 spatial points were realized. Advanced filter polychromators were used to analyze Thomson
scattering spectra.

Keywords

tokamak, divertor, plasma, Thomson scattering, electron temperature

References

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Divertor Thomson Scattering on Globus-M2

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Abstract

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