Résumé
We show that the broadband conical emission associated with filaments in air extends down to the radiofrequency region. This rf emission which originates from the longitudinal oscillation of charged ions formed during filamentation is strongly enhanced by the presence of a longitudinal static electric field.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 141111 |
| journal | Applied Physics Letters |
| Volume | 96 |
| Numéro de publication | 14 |
| Les DOIs | |
| état | Publié - 27 avr. 2010 |
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