Document - Transition to filamentary regime in laser-plasma interaction evidenced by 2ω emisssion

1993

Journal article Open Access

Transition to filamentary regime in laser-plasma interaction evidenced by 2ω emisssion

Biancalana V., Borghesi M., Chessa P., Deha I., Giulietti A., Giulietti D., Gizzi La., Willi O.

NONLINEAR WAVES AND NONLINEAR INTERACTIONS ELECTROMAGNETIC WAVE PROPAGATION IN PLASMA General Physics and Astronomy

The 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.

Source: Europhysics letters (Print) 22 (1993): 175–180. doi:10.1209/0295-5075/22/3/003

Publisher: EDP sciences, Les Ulis , Francia

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@article{oai:it.cnr:prodotti:252050,
	title = {Transition to filamentary regime in laser-plasma interaction evidenced by 2\&#969; emisssion},
	author = {Biancalana V. and Borghesi M. and Chessa P. and Deha I. and Giulietti A. and Giulietti D. and Gizzi La. and Willi O.},
	publisher = {EDP sciences, Les Ulis , Francia},
	doi = {10.1209/0295-5075/22/3/003},
	journal = {Europhysics letters (Print)},
	volume = {22},
	pages = {175–180},
	year = {1993}
}