[PDF] Top 20 Intra-pulse transition between ion acceleration mechanisms in intense laser-foil interactions

... Multiple ion acceleration mechanisms can occur when an ultrathin foil is irradiated with an intense laser pulse, with the dominant mechanism changing over the course of ... See full document

... ultraintense laser pulse with solid foil target produces high fluxes of energetic electrons that can lead to secondary processes such as bright X and γ-ray emission [1], ion ... See full document

... ultra-intense laser pulse interactions with solid ...compact laser-driven particle and radiation sources [1–3]. The case of thin foil ( ∼ ...of ion acceleration ... See full document

... relativistic laser-solid interactions have been ...generation mechanisms are found to be critically dependent on the laser-plasma ...a foil target is attributed to the coherent ... See full document

... by interactions between intense femtosecond lasers and plasma can be realized via two ...on acceleration in an electrostatic field induced by high- energy electrons driven by a ponderomotive ... See full document

... BOA acceleration scheme ...potential mechanisms which could give rise to this ...the ion-ion acoustic instability is also observed in pre- expanded multi-species ...higher laser ... See full document

... Relativistically intense ( > 10 18 W · cm −2 for a laser wave- length of ' 1 µ m) laser–solid interactions provide a means to generate a compact source of highly energetic ions of ... See full document

... transparent foil driven by a linearly polarized laser fi eld is experimentally shown to exhibit a cos (2 ) θ dependence, as manifested in a double lobe formation in the electron density ...the laser ... See full document

... We also observed the electron emission distribution by using a large image plate at the back side of the target with respect to the UIL direction. Figure 3 indicates the emission pattern obtained for (a) 5mg/cc foam ... See full document

... proton acceleration at the rear of thin metallic foils in the ultraintense picosecond laser pulse ...and pulse dur- ation that the highest energy protons are presently produced (Snavely et ... See full document

... short-pulse laser interactions with solid density targets severely limit the spatial and temporal scales which can be modelled ...the laser interaction is often only possible by sampling the ... See full document

... The signal acquisitions carried out by linear monopole antenna [31] and super wide-band antenna [32] placed both inside the interaction chamber, above the target at 30cm from it, and protected by a thick stainless-steel ... See full document

... The laser medium emits spontaneous radiation that gives rise to incoherent fluctuations in the energy density within the ...the laser medium and grow in irradiance to such an extent that the peak part of ... See full document

... heavy ion (gold-like) background while reducing the number of electrons needed, with a 20 nm thick layer of protons on each ...the laser duration was reduced which, despite leading to lower maximum proton ... See full document

... during laser solid target interactions is important to enable a greater degree of control and optimisation of secondary sources such as Bremsstrahlung x-rays, ions and ...the laser is moved further ... See full document

... proton acceleration have been carried out using PIC simulations, we believe that this is the first time a grid-based Vlasov solver has been used for this ...difference between the two ... See full document

... intensity laser. The difference between the total number accelerated and those that escape or collide through the target are the recirculating ...or pulse duration, when the sheath field and electron ... See full document

... Th ion beams of very high beam fluencies and intensities which are inaccessible in conventional ...of intense Th ion beams by a fs laser pulse of ultra-relativistic ...20-fs ... See full document

... incident laser pulse drives an electron beam with some initial divergence into the ...the laser focal spot pro fi le [ 13 ] ...population between the surfaces of the target that continues to ... See full document

... shock acceleration of ions in laser-produced plasmas is ...the laser. The kinetic model for the monotonic shock is based on the slow ion acoustic double layer ...balance between ... See full document