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journal article·2020-04-01Open access

Numerical simulations on laser absorption enhancement in hybrid metallo-dielectric nanostructured targets for future nuclear astrophysics experiments

G. Pirruccio, D. Rocco, C. De Angelis, G. Sorbello, D. Mascali, G. Torrisi, M. Frassetto, L. Malferrari, F. Odorici, C. Altana, G. Lanzalone, A. Muoio, S. Tudisco, R. Benocci, G. Gorini, L. Palladino

AIP Advances· Volume 10· Issue 4
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Source abstract

Abstract

The linear electromagnetic interaction between innovative hybrid metallo-dielectric nanostructured targets and laser in visible and IR range is investigated through numerical simulations. The obtained results rely on the optimization of a target based on metallic nanowires (NWs) to enhance light absorption in the visible range of the electromagnetic spectrum. The NWs are grown within the ordered nanoholes of an alumina substrate, thus, forming a plasmonic lattice with triangular symmetry. The remaining volume of the nanoholes on top of the NWs is sealed with a transparent layer of aluminum oxide that is suitable to be chemically modified for containing about 25% of deuterium atoms. The study presented here is carried out within the framework of a scientific program named PLANETA (Plasmonic Laser Absorption on Nano-Engineered Targets) aiming at investigating new laser–matter interaction schemes in the ns domain and for nuclear fusion purposes, involving especially the D–D reaction.
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Research context

Nanomaterials

OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Plasmonic and Surface Plasmon Research · Nonlinear Optical Materials Studies

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Instituto de Física, Universidad Nacional Autónoma de México 1 , Apartado Postal 20-364, México D.F. 01000, Mexico

Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Brescia 2 , via Branze 38, Brescia 25123, Italy

National Institute of Optics (INO) 3 , Via Branze 45, 25123 Brescia, Italy

Dipartimento di Ingegneria Elettrica, Elettronica e Informatica (DIEEI), Università degli Studi di Catania 4 , Viale Andrea Doria 6, 95125 Catania, Italy

INFN Laboratori Nazionali del Sud (LNS) 5 , via S. Sofia 62, 95123 Catania, Italy

INFN sezione di Bologna 6 , Viale B. Pichat, 6/2, 40127 Bologna, Italy

Università degli Studi di Enna “Kore” 7 , Via delle Olimpiadi, 94100 Enna, Italy

Dip. di Scienze dell’Ambiente e della Terra, Univ. di Milano Bicocca 8 , Piazza della Scienza 1, 20126 Milano, Italy

INFN sezione di Milano Bicocca 9 , Piazza della Scienza 3, 20126 Milano, Italy

Dip. di Fisica, Univ. di Milano Bicocca 10 , Piazza della Scienza 3, 20126 Milano, Italy

Dip. to MESVA, Università degli Studi dell’Aquila 11 , Piazza S. Tommasi 1, 67010 L’Aquila, Italy

INFN gruppo collegato LNGS 12 , V. G. Acitelli 22, 67100 Assergi L’Aquila, Italy

Funding

Istituto Nazionale di Fisica Nucleare, 5th National Committee · UNAM-PAPIIT · Visiting Program of University of Brescia · Consejo Nacional de Ciencia y Tecnología FundRef identification ID: · European Commission

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