Résumé
Electron transport within solid targets, irradiated by a high-intensity short-pulse laser, has been measured by imaging [Formula presented] radiation from high-[Formula presented] layers (Cu, Ti) buried in low-[Formula presented] (CH, Al) foils. Although the laser spot is [Formula presented] [full width at half maximum (FWHM)], the electron beam spreads to [Formula presented] FWHM within [Formula presented] of penetration into an Al target then, at depths [Formula presented], diverges with a [Formula presented] spreading angle. Monte Carlo and analytic models are compared to our data. We find that a Monte Carlo model with a heuristic model for the electron injection gives a reasonable fit with our data.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 7 |
| Nombre de pages | 1 |
| journal | Physical Review E |
| Volume | 69 |
| Numéro de publication | 6 |
| Les DOIs | |
| état | Publié - 1 janv. 2004 |
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