Parameter optimization of the spectral emission of laser-induced tungsten plasma for tokamak wall diagnosis at different pressures
Ding Wu, Liying Sun, Jiamin Liu, Yan Lyu, Huace Wu, Shu Yuan, Ran Hai, Cong Li, Chunlei Feng, Dongye Zhao, Hongbin Ding
Abstract
The ambient pressure influences the plume expansion and spectral emission, and two pressure regions are observed to distinguish the enhanced plasma shielding effect.
Topics & Concepts
TokamakPlasmaPlumeTungstenLaserElectromagnetic shieldingMaterials sciencePlasma parametersAtmospheric-pressure plasmaPlasma diagnosticsAtomic physicsOpticsPhysicsComposite materialThermodynamicsNuclear physicsMetallurgyLaser-induced spectroscopy and plasmaLaser-Plasma Interactions and DiagnosticsPlasma Diagnostics and Applications