Abstract
We demonstrate tunable radiofrequency emission from a meter-long linear plasma column produced in air at atmospheric pressure. A short-lived plasma column is initially produced by femtosecond filamentation and subsequently converted into a long-lived discharge column by application of an external high voltage field. Radiofrequency excitation is fed to the plasma by induction and detected remotely as electromagnetic radiation by a classical antenna.
| Original language | English |
|---|---|
| Article number | 264106 |
| Journal | Applied Physics Letters |
| Volume | 101 |
| Issue number | 26 |
| DOIs | |
| Publication status | Published - 24 Dec 2012 |
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