Spectroscopic diagnostic of electron density for four-level system by collisional excitation model

Zhen, ZQ; He, J

Zhen, ZQ (corresponding author), Henan Univ Sci & Technol, Sch Phys & Engn, Luoyang 471023, Peoples R China.

SPECTROSCOPY LETTERS, 2021; 54 (4): 299