Normalized spatio-temporal plots of the electron impact excitation rate from the ground state of helium into He-I 1s3s 3S1 obtained experimentally for N = 1 (first row) and N = 4 (second row) and for different concentrations of the O2 admixture (columns) at fixed z = −15 mm. The base frequency is f0 = 13.56 MHz and the peak-to-peak value of the driving voltage waveform is kept constant at 500 V. The powered electrode is located at x = 0, while the grounded electrode is at x = 1.
Experimental data are marked as exp
Calculated data are marked as calc
x [t/TRf] , y[mm]
(Figure8a8c): Exp Exc. Rate for O2-admixtures of 0.05%, 0.2% and 0.5% respectively with N=1
(Figure8d-8f): Exp Exc. Rate for O2-admixtures of 0.05%, 0.2% and 0.5% respectively with N=4
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Figure 8: Normalized spatio-temporal plots of the electron impact excitation
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- Figure 3: 2d space resolved density oxygen
- Figure 4: spatially resolved densities atomic oxygen
- Figure 5: electron impact excitation rate
- Figure 6: 2D distribution atomic oxygen
- Figure 7: spatially resolved absolute densities atomic oxygen
- Figure 8: Normalized spatio-temporal plots of the electron impact excitation
- Figure 9: Measured absolute density profiles of He-I 1s2s 3S1 metastables
- Figure 10: Space and time averaged values of the atomic oxygen density
- Figure 11: Peak and (c) mean atomic oxygen densities as a function of the peak-to-peak value of the applied voltage waveform
- Figure 12: Spatially resolved absolute densities of atomic oxygen
- Figure 13: Normalized spatio-temporal plots of the electron impact excitation rate
Additional Information
| Field | Value |
|---|---|
| mimetype | application/zip |
| filesize | 254.89 KB |
| resource type | file upload |
| timestamp | Jan 26, 2021 |