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| Description
| - Experimental results are reported for two different configurations of laser driven ion acceleration using solid foils with a structured layer on the irradiated side, aiming to improve the laser-target coupling by exploiting engineered surfaces. Two experimental campaigns have been performed exploiting a 100TW 25fs Ti:Sa laser capable of maximum intensity of 4 . 1019 W/cm2. ”Grating” targets have been manufactured by engraving thin mylar foils (0.9, 20 and 40 μm) with a regular modulation having 1.6 μm period and 0.5 μm depth. The periodicity of the grating corresponds to a resonant incident angle of 30° for the excitation of surface waves. Considering a target of 20 μm and changing the angle of incidence from 10° to 45°, a broad maximum in the proton energy cut-off was observed around the resonant angle (about 5 MeV) which was more than a factor two higher than the case of planar target. ”Foam” targets have been manufactured by depositing a porous 10 μm nanostructured carbon film with an average density of 1-5 mg/cm3 on a 1 μm thick aluminium foil. At maximum focalization the foam targets gave a maximum proton energy similar to the case of bare aluminium target (about 6 MeV), while educing the intensity the presence of the foam enhanced the maximum proton energy, obtaining about 1.5MeV vs. 500KeV at an intensity of 5 . 1016 W/cm2. 2D Particle-In-Cell simulations have been used to support the intepretation of the experimental results.
- Experimental results are reported for two different configurations of laser driven ion acceleration using solid foils with a structured layer on the irradiated side, aiming to improve the laser-target coupling by exploiting engineered surfaces. Two experimental campaigns have been performed exploiting a 100TW 25fs Ti:Sa laser capable of maximum intensity of 4 . 1019 W/cm2. ”Grating” targets have been manufactured by engraving thin mylar foils (0.9, 20 and 40 μm) with a regular modulation having 1.6 μm period and 0.5 μm depth. The periodicity of the grating corresponds to a resonant incident angle of 30° for the excitation of surface waves. Considering a target of 20 μm and changing the angle of incidence from 10° to 45°, a broad maximum in the proton energy cut-off was observed around the resonant angle (about 5 MeV) which was more than a factor two higher than the case of planar target. ”Foam” targets have been manufactured by depositing a porous 10 μm nanostructured carbon film with an average density of 1-5 mg/cm3 on a 1 μm thick aluminium foil. At maximum focalization the foam targets gave a maximum proton energy similar to the case of bare aluminium target (about 6 MeV), while educing the intensity the presence of the foam enhanced the maximum proton energy, obtaining about 1.5MeV vs. 500KeV at an intensity of 5 . 1016 W/cm2. 2D Particle-In-Cell simulations have been used to support the intepretation of the experimental results. (en)
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| Title
| - Laser plasma proton acceleration experiments using foam-covered and grating targets
- Laser plasma proton acceleration experiments using foam-covered and grating targets (en)
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| skos:prefLabel
| - Laser plasma proton acceleration experiments using foam-covered and grating targets
- Laser plasma proton acceleration experiments using foam-covered and grating targets (en)
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| skos:notation
| - RIV/68407700:21340/13:00206521!RIV14-GA0-21340___
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| http://linked.open...avai/predkladatel
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68407700:21340/13:00206521
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Laser-Plasma interaction; Ion acceleration (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Proceedings of SPIE Vol. 8779 - Laser Acceleration of Electrons, Protons, and Ions II; and Medical Applications of Laser-Generated Beams of Particles II; and Harnessing Relativistic Plasma Waves III
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Novotný, Filip
- Proška, Jan
- Klimo, Ondřej
- Prokůpek, Jan
- Pšikal, Jan
- Riconda, C.
- Possolt, Martin
- Květoň, Milan
- Štolcová, Lucie
- Ceccotti, T.
- Floquet, V.
- Gizzi, L. A.
- Labate, L.
- Macchi, A.
- Velyhan, A.
- Fuchs, J.
- Martin, P.
- Baffigi, F.
- Bigongiari, A.
- Bougeard, M.
- Passoni, M.
- Raynaud, M.
- Sgattoni, A.
- Vassura, L.
- Dellasega, D.
- Prencipe, I.
- Zani, A.
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open.../riv/zahajeniAkce
| |
| issn
| |
| number of pages
| |
| http://bibframe.org/vocab/doi
| |
| http://purl.org/ne...btex#hasPublisher
| - SPIE - The International Society for Optical Engineering
|
| https://schema.org/isbn
| |
| http://localhost/t...ganizacniJednotka
| |
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