Anomalous Energy Transport to Rear Surface of Microdisks at High Laser Irradiances

In CO2-laser irradiation of thick microdisk foils, a significant fraction of the absorbed laser energy is found to be coupled to the rear surface. Moreover, K alpha and fast-ion emission has given, for the first time, direct evidence that the rear surface is subjected to considerable bombardment, by...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1979-12, Vol.43 (27), p.1995-1998
Hauptverfasser:	Ebrahim, N. A., Joshi, C., Villeneuve, D. M., Burnett, N. H., Richardson, M. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production ALUMINIUM CARBON DIOXIDE LASERS CHARGED PARTICLES ELECTROMAGNETIC RADIATION ELEMENTS ENERGY TRANSFER FAR ULTRAVIOLET RADIATION FOILS GAS LASERS HOT PLASMA IONS LASER-PRODUCED PLASMA LASERS METALS PLASMA RADIATIONS SPECTRA ULTRAVIOLET RADIATION X-RAY SPECTRA
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Zusammenfassung:	In CO2-laser irradiation of thick microdisk foils, a significant fraction of the absorbed laser energy is found to be coupled to the rear surface. Moreover, K alpha and fast-ion emission has given, for the first time, direct evidence that the rear surface is subjected to considerable bombardment, by the transport of hot electrons around the target.
ISSN:	0031-9007
DOI:	10.1103/PhysRevLett.43.1995