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Observation of large arrays of plasma filaments in air breakdown by 1.5-MW 110-GHz gyrotron pulses.
| Content Provider | Semantic Scholar |
|---|---|
| Author | Hidaka, Yoshiteru Choi, Eunmi M. Mastovsky, Ivan Shapiro, Michael A. Sirigiri, Jagadishwar R. Temkin, Richard J. |
| Copyright Year | 2008 |
| Abstract | We report the observation of two-dimensional plasma filamentary arrays with more than 100 elements generated during breakdown of air at atmospheric pressure by a focused Gaussian beam from a 1.5-MW, 110-GHz gyrotron operating in 3-micros pulses. Each element is a plasma filament elongated in the electric field direction and regularly spaced about one-quarter wavelength apart in the plane perpendicular to the electric field. The development of the array is explained as a result of diffraction of the beam around the filaments, leading to the sequential generation of high intensity spots, at which new filaments are created, about a quarter wavelength upstream from each existing filament. Electromagnetic wave simulations corroborate this explanation and show very good correlation to the observed pattern of filaments. |
| Starting Page | 035003 |
| Ending Page | 035003 |
| Page Count | 1 |
| File Format | PDF HTM / HTML |
| DOI | 10.1103/PhysRevLett.100.035003 |
| PubMed reference number | 18232990 |
| Journal | Medline |
| Volume Number | 100 |
| Issue Number | 3 |
| Alternate Webpage(s) | http://dspace.mit.edu/bitstream/handle/1721.1/94215/07ja015_full.pdf?sequence=1 |
| Alternate Webpage(s) | http://scholarworks.unist.ac.kr/bitstream/201301/10878/1/2-s2.0-38549181564.pdf |
| Alternate Webpage(s) | https://doi.org/10.1103/PhysRevLett.100.035003 |
| Journal | Physical review letters |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
