Journal ArticleDOI
On the role of surface plasmon polaritons in the formation of laser-induced periodic surface structures upon irradiation of silicon by femtosecond-laser pulses
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In this paper, the formation of nearly wavelength-sized laser-induced periodic surface structures (LIPSSss) on single-crystalline silicon upon irradiation with single or multiple femtosecond-laser pulses (pulse duration τ=130Abstract:
The formation of nearly wavelength-sized laser-induced periodic surface structures (LIPSSs) on single-crystalline silicon upon irradiation with single or multiple femtosecond-laser pulses (pulse duration τ=130 fs and central wavelength λ=800 nm) in air is studied experimentally and theoretically. In our theoretical approach, we model the LIPSS formation by combining the generally accepted first-principles theory of Sipe and co-workers with a Drude model in order to account for transient intrapulse changes in the optical properties of the material due to the excitation of a dense electron-hole plasma. Our results are capable to explain quantitatively the spatial periods of the LIPSSs being somewhat smaller than the laser wavelength, their orientation perpendicular to the laser beam polarization, and their characteristic fluence dependence. Moreover, evidence is presented that surface plasmon polaritons play a dominant role during the initial stage of near-wavelength-sized periodic surface structures in fem...read more
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Posted Content
Ripple formation on silver after irradiation with radially polarized ultrashort-pulsed lasers
TL;DR: In this article, the morphological effects induced by the inhomogeneous absorption of cylindrically polarized femtosecond laser irradiation of silver (Ag) in sub-ablation conditions are investigated.
Journal ArticleDOI
Laser surface texturing of a WC-CoNi cemented carbide grade: Surface topography design for honing application
TL;DR: In this article, a laser surface texturing (LST) is implemented for replicating topographic features of a honing stone in a WC-base cemented carbide grade, commonly employed for making tools.
Book ChapterDOI
Laser-Induced Thermal Processes: Heat Transfer, Generation of Stresses, Melting and Solidification, Vaporization, and Phase Explosion
Maxim V. Shugaev,Miao He,Yoann Levy,A. Mazzi,Antonio Miotello,Nadezhda M. Bulgakova,Leonid V. Zhigilei +6 more
TL;DR: A review of the fundamental mechanisms, thermodynamic driving forces, and kinetics of thermal processes involved in laser-material interactions, with a particular focus on the far-from-equilibrium conditions characteristic of laser processing with short and ultrashort pulses is provided in this paper.
Journal ArticleDOI
Generation of laser-induced periodic surface structures on transparent material-fused silica
TL;DR: In this article, a comparison between simulated and experimental results for the generation of laser-induced periodic surface structures with low spatial frequency on dielectrics is presented. But the experimental results are limited.
Journal ArticleDOI
Mixing periodic topographies and structural patterns on silicon surfaces mediated by ultrafast photoexcited charge carriers
Jean-Philippe Colombier,Anton Rudenko,E.P. Silaeva,Hao Zhang,Xxx Sedao,Emile Bévillon,Stéphanie Reynaud,Claire Maurice,Florent Pigeon,Florence Garrelie,Razvan Stoian +10 more
TL;DR: In this article, a three-dimensional mesoscopic vision and time-dynamics evolution was used to study silicon under ultrafast laser irradiation conditions, and showed how the crystal lattice is destabilized and turns periodically into an amorphous state.
References
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Book
Handbook of Optical Constants of Solids
TL;DR: In this paper, E.D. Palik and R.R. Potter, Basic Parameters for Measuring Optical Properties, and W.W.Hunter, Measurement of Optical Constants in the Vacuum Ultraviolet Spectral Region.
Journal ArticleDOI
Laser-induced periodic surface structure. I. Theory
TL;DR: In this paper, a theory for laser-induced periodic surface structure was developed by associating each Fourier component of induced structure with the corresponding Fourier components of inhomogeneous energy deposition just beneath the surface.
Journal ArticleDOI
Femtosecond laser ablation of silicon–modification thresholds and morphology
TL;DR: In this article, the initial modification and ablation of crystalline silicon with single and multiple Ti:sapphire laser pulses of 5 to 400 fs duration was investigated, and the authors found the phenomena amorphization, melting, re-crystallization, nucleated vaporization, and Ablation to occur with increasing laser fluence down to the shortest pulse durations.
Journal ArticleDOI
Generation of dense electron-hole plasmas in silicon
TL;DR: In this paper, the authors studied the generation of dense electron-hole plasmas in silicon with intense 100-fs laser pulses by time-resolved measurements of the optical reflectivity at 625 nm.