A new approach for diagnostics of dense magnetoactive plasmas using the effect of parametrically induced transparency

A. Yu Kryachko; M. D. Tokman; E. Westerhof

doi:10.1007/s11141-007-0043-7

A new approach for diagnostics of dense magnetoactive plasmas using the effect of parametrically induced transparency

A. Yu Kryachko, M. D. Tokman, E. Westerhof

Research output: Contribution to journal › Article › peer-review

Abstract

We study theoretically the effect of parametrically induced transparency. The main idea of this effect is transport of the upper-hybrid radiation of overdense toroidal plasmas in vacuum through the opaque region by parametric shift of the radiation frequency. We propose that the microwave radiation employed for electron-cyclotron heating at the second cyclotron harmonic in tokamaks is used as the drive wave. Calculations performed for the TEXTOR tokamak demonstrate that this effect is promising for diagnostics of dense plasmas in toroidal devices if a gyrotron with an ouput power of several hundred kilowatts is used.

Original language	English
Pages (from-to)	464-476
Number of pages	13
Journal	Radiophysics and Quantum Electronics
Volume	50
Issue number	6
DOIs	https://doi.org/10.1007/s11141-007-0043-7
State	Published - Jun 2007
Externally published	Yes

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title = "A new approach for diagnostics of dense magnetoactive plasmas using the effect of parametrically induced transparency",

abstract = "We study theoretically the effect of parametrically induced transparency. The main idea of this effect is transport of the upper-hybrid radiation of overdense toroidal plasmas in vacuum through the opaque region by parametric shift of the radiation frequency. We propose that the microwave radiation employed for electron-cyclotron heating at the second cyclotron harmonic in tokamaks is used as the drive wave. Calculations performed for the TEXTOR tokamak demonstrate that this effect is promising for diagnostics of dense plasmas in toroidal devices if a gyrotron with an ouput power of several hundred kilowatts is used.",

author = "Kryachko, {A. Yu} and Tokman, {M. D.} and E. Westerhof",

note = "Funding Information: This work was supported by NWO and the Russian Foundation for Basic Research (project No. 047.016.016), ISTC (project No. A-1095), the Russian Foundation for Basic Research (project Nos. 04– 02–17042, 06–02–17081, and 06–02–17063), and CRDF (project No. RUP-2-2843-NN-06).",

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A new approach for diagnostics of dense magnetoactive plasmas using the effect of parametrically induced transparency

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