EnglishThe level of second-harmonic light emitted from a laser-exploded foil plasma at nominal irradiance up to 3.10(13) W/cm2 was found to be extremely sensitive to both target position and irradiance on target. Either a small target displacement or a small increase in irradiance resulted in a jump of the 2omega level of more than three orders of magnitude. Correspondingly, a transition was observed from a 2omega source pattern clearly signed by the original laser spot pattern to unstable patterns of filaments whose size is consistent with the maximum growth of the instability.
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http://hdl.handle.net/11568/26504| Autori interni: | GIULIETTI, DANILO |
| Autori: | BIANCALANA V; BORGHESI M; CHESSA P; DEHA I; GIULIETTI A; GIULIETTI D; GIZZI LA; WILLI O |
| Titolo: | TRANSITION TO FILAMENTARY REGIME IN LASER-PLASMA INTERACTION EVIDENCED BY 2-OMEGA-EMISSION |
| Anno del prodotto: | 1993 |
| Digital Object Identifier (DOI): | 10.1209/0295-5075/22/3/003 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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