Isoelectronic line intensity ratios for plasma electron temperature measurement (invited)

Abstract

Articles you may be interested inRadial profile measurement of electron temperature in edge stochastic magnetic field layer of LHD using intensity ratio of extreme ultraviolet line emissionsa) Rev. Sci. Instrum. 83, 10E509 (2012);

Space-Resolved Diagnosis for Electron Temperature of Laser-Produced Aluminum Plasma

“…The total uncertainty of the electron temperature measurements was estimated to be less than 27%. [8] The laser intensity of 1.51 × 10 14 W/cm 2 used in the hydrodynamic simulations is underestimated because the x-ray focal area with 200 µm diameter is larger than the actual laser focal area. The underestimated laser intensity makes the temperature calculated by the hydrodynamic simulations lower than the results of line ratios, as shown in Fig.…”

“…For long heating pulses, the steady-states response of line intensity is close to the full rate-equation calculation. [8] Thus the steady collisional-radiative (CR) equilibrium model was employed to the theoretical calculation. [9,10] In a steady-states approximation it is possible to separate the set of equation for a determination of excited level populations (considering fast process of excitation and spontaneous radiative transitions) and for calculations of ion concentrations (slow process of ionization and recombination).…”