What is happening in metastable states of argon-oxygen plasma?
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In argon-oxygen plasma, the metastable states of argon, specifically the 1s5 and 1s3 states, are crucially affected by various factors. The density of these metastable states is influenced by the presence of oxygen in the plasma, with higher oxygen content leading to a decrease in metastable state density due to quenching loss by oxygen molecules. Additionally, the density of argon metastable states in discharges with different gas components exhibits varying behaviors with changes in high-frequency power, showing rapid increases followed by saturation at higher power levels. Understanding the dynamics of these metastable states is essential for optimizing plasma conditions and is significant for applications such as diode-pumped rare gas lasers.
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| Papers (5) | Insight |
|---|---|
| Processes involving excited states, particularly the lower-lying 1s states of argon, significantly impact the ionization balance in the discharge, as studied in a low-pressure capacitively coupled radio frequency discharge. | |
23 Citations | Not addressed in the paper. |
7 Citations | In argon-oxygen plasma, metastable state density increases with high-frequency power, saturates at higher power levels, and decreases with added oxygen due to quenching loss by oxygen molecules. |
| The metastable argon density in a pulsed microplasma at 43 GHz overshoots during the pulse and afterglow due to enhanced excited state production from overheated plasma electrons. | |
| Not addressed in the paper. |
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