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Generation of rayleigh waves by picosecond laser pulses
Affiliation:1. Institute of Applied Physics, University of Berne, Sidlerstr.5, CH-3012 Berne, Switzerland;2. Physics Department, university of Milano, Via Celoria 16, 1-20133 Milano, Italy;1. Dipartimento di Fisica, Università di Torino, via Pietro Giuria 1, 10125 Torino, Italy;2. Université Paris-Saclay, Université Paris Cité, CEA, CNRS, AIM, 91191, Gif-sur-Yvette, France;3. INFN, Sezione di Firenze, Via G. Sansone 1, I-50019 Sesto Fiorentino, Italy;1. Nanoscopic Physics, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1348 Louvain-la-Neuve, Belgium;2. European Theoretical Spectroscopy Facility (ETSF);3. Q-Mat, Department of Physics, University of Liège, Belgium;4. Department of Physics and Astronomy, Rutgers University, Piscataway, NJ 08854-8019, USA;5. Mat-Sim Research LLC, P.O. Box 742, Murray Hill, NJ, 07974, USA;1. Department of Materials Engineering, Birjand University of Technology, 9719866981 Birjand, Iran;2. UHasselt, Institute for Materials Research (IMO-IMOMEC), Agoralaan, 3590 Diepenbeek, Belgium;3. IMOMEC, IMEC vzw, 3590 Diepenbeek, Belgium;4. Department of Chemical Engineering, Birjand University of Technology, 9719866981 Birjand, Iran;5. Institute for Complex Materials, IFW Dresden, Helmholtzstraße 20, D-01069 Dresden, Germany;6. Erich Schmid Institute of Materials Science, Austrian Academy of Sciences, Jahnstraße 12, A-8700 Leoben, Austria;7. Department Materials Physics, Montanuniversität Leoben, Jahnstraße 12, A-8700 Leoben, Austria
Abstract:In this paper we present the fundamental mechanism which we hold responsible for generation of high frequency Rayleigh waves by picosecond laser pulses on a single crystal surface of Silicon. These Rayleigh waves have been recorded as ripples frozen out on the surface of the crystal upon irradiation with a focused cw mode-locked laser.
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