Author’s reply on “revision operation after silicone gel breast implantation: a retrospective study” by J. P. A. Nicolai et al.

Nicolai, J. P. A.; Reij, E. J. F. van

doi:10.1007/s00238-006-0041-6

Cited by 1 publication

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“…To model this coherent emission, we assumed a ballistic propagation of electron bunches injected at the front of the target [13,24] with a period T 0 or T 0 /2 (T 0 being the laser pulse duration) over one-third of the total laser pulse duration of 40 fs. Each bunch is assumed to have both temporal and radial initial Gaussian profiles with characteristic widths of T 0 /10 (according to results from PIC simulations [24,28]) and 16 µm, the initial electron source size obtained from 2ω 0 experimental data. Each bunch initially has a relativistic Maxwellian energy distribution with temperature T hot .…”

Section: Propagation Of Fast Electrons In Al Targetsmentioning

confidence: 99%

Transport of intense laser-produced electron beams in matter

Batani

Manclossi

Santos

et al. 2006

Plasma Phys. Control. Fusion

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Fast electron transport in matter is a key issue for assessing the feasibility of fast ignition; however several important points are not clear yet. Therefore we realized an experiment with ultra-intense lasers ( 6 10 19 W cm −2 ) studying transport in metallic (Al) and insulating (CH) foil targets. The dynamics of fast electron propagation versus target thickness was investigated by optical selfemission from targets rear side. In Al targets we distinguished two-components in the fast electron population: moderately relativistic electrons and a highly collimated micro-bunched relativistic tail. A large ohmic heating at the rear of the thinner targets was observed due to the background return current. In CH, optical emission is mainly due to the Cherenkov effect and is much larger than in Al. We also observed that in insulators the fast-electron beam undergoes strong filamentation and the number of filaments increases with thickness. This behaviour was attributed to an ionization front instability.

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