The emission spectra of He plasma were measured by using three types of experiment devices: dielectric barrier discharge device, hollow-cathode discharge device and Penning discharge device.

• 采用三种实验装置(介质阻挡放电装置、空心阴极放电装置和彭宁放电装置)分别测量了不同压强范围内氦等离子体的发射光谱。