Ion-Sound Waves in UHF Discharge Plasma Injected in Open Magnetic Trap

TL;DR

This paper explores the use of UHF electromagnetic waves to inject plasma into an open magnetic trap, studying plasma behavior, turbulence, and low-frequency oscillations to improve understanding of plasma heating and confinement.

Contribution

It introduces a novel method of filling open magnetic traps with plasma using UHF injection from an ECR source, advancing plasma heating techniques.

Findings

Successful plasma injection along magnetic field lines

Observation of low-frequency plasma oscillations

Insights into plasma turbulence and transport processes

Abstract

We investigate in stationary regime on the linear plasma device OMT-2 the methods of plasma heating by electromagnetic waves, interaction of electromagnetic waves with magnetoactive plasma and plasma turbulence and transport processes in the trap. We use ultra-high frequency (UHF) contactless method to fill the open magnetic trap by plasma. We have proposed new method of open magnetic trap filling with plasma. Namely, plasma is injected in the trap along the magnetic field from independent stationary UHF source where plasma is formed in ECR regime. In this paper we present the results of investigation of magnetic trap filling by plasma and the results of investigation of plasma low frequency (LF) oscillation in the trap.