Fig. 1. Pulse driven plasma jet measurement system

Fig. 2. Coaxial double ring plasma generator

Fig. 3. Spectral characteristics of pulsed helium plasma jet emission from electric field driven ionization section (section I )

Fig. 4. Spectral characteristics of He plasma jet emission at different frequencies

Fig. 5. Variation of relative intensity of characteristic peaks of main active particles with frequency

Fig. 6. Spectral characteristics of pulsed helium plasma jet emission from electric field driven ionization section

Fig. 7. Variation of the relative intensity of the characteristic peaks of the main active particles in electric field driven ionization section

Fig. 8. Spectral characteristics of pulsed helium plasma jet emission from semi open ion excitation section

Fig. 9. Variation law of the relative intensity of the characteristic peaks of the main active particles in semi open ion excitation section

Fig. 10. Spectral characteristics of pulsed helium plasma jet emission from open ion excitation section

Fig. 11. Variation of the relative intensity of the characteristic peaks of the main active particles in open ion excitation section