Enhanced energy absorption of high intensity laser pulses by targets of modulated surface

Cerchez M, Swantusch M, Toncian M, Zhu XM, Prasad R, Toncian T, Roedel C, Jaeckel O, Paulus GG, Andreev AA, Willi O (2018)

Publication Type: Journal article

Publication year: 2018

Journal

Applied Physics Letters American Institute of Physics (AIP)

Book Volume: 112

Article Number: 221103

Journal Issue: 22

DOI: 10.1063/1.5030215

Abstract

Investigations of energy transfer of high intensity (I = 5 × 1019 W/cm2), ultrashort (<30 fs) Ti:Sa laser pulses to solid targets with a randomly rough surface have been performed. We investigated the influence of the target surface morphology on the efficiency of energy transfer of p- polarized laser pulses characterized by a very high contrast. Targets with a roughness σ larger than ∼20% of the laser wavelength proved to absorb a remarkably large fraction of energy reaching up to 70%, almost independent of the incidence angle. Numerical simulations of various interaction conditions are in agreement with the experimental data and confirm the effect of the target morphology and its surface parameters on the enhanced energy absorbed fraction.

Involved external institutions

Friedrich-Schiller-Universität Jena DE Germany (DE) Heinrich-Heine-Universität Düsseldorf DE Germany (DE) Helmholtz-Zentrum Dresden-Rossendorf (HZDR) DE Germany (DE) Chinese Academy of Sciences (CAS) / 中国科学院 CN China (CN) Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie im Forschungsverbund Berlin e.V. / Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy DE Germany (DE)

How to cite

APA:

Cerchez, M., Swantusch, M., Toncian, M., Zhu, X.M., Prasad, R., Toncian, T.,... Willi, O. (2018). Enhanced energy absorption of high intensity laser pulses by targets of modulated surface. Applied Physics Letters, 112(22). https://doi.org/10.1063/1.5030215

MLA:

Cerchez, Mirela, et al. "Enhanced energy absorption of high intensity laser pulses by targets of modulated surface." Applied Physics Letters 112.22 (2018).

BibTeX: Download