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
Citations
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Journal ArticleDOI
Laser-induced periodic surface structures on zinc oxide crystals upon two-colour femtosecond double-pulse irradiation
TL;DR: In this paper, two-colour double-fs-pulse experiments were performed on single-crystalline zinc oxide (ZnO) to study the temporally distributed energy deposition in the formation of laser-induced periodic surface structures (LIPSS) on ZnO.
Journal ArticleDOI
Aluminum thin film enhanced IR nanosecond laser-induced frontside etching of transparent materials
Daniel Nieto,Daniel Nieto,Ferran Cambronero,Maria Teresa Flores-Arias,Nazar Farid,Gerard M. O'Connor +5 more
TL;DR: In this article, a laser ablation enhancement mechanism for microstructuring of glass materials is presented, which consists of depositing a thin film of aluminum on the front surface of the glass material to be etched.
Journal ArticleDOI
Influence of processing parameters on characteristics of laser-induced periodic surface structures on steel and titanium
TL;DR: In this paper, the authors investigated how pulse fluence, number of pulses, and pre-existing defects influence laser-induced periodic surface structures (LIPSS) formation and period, and showed that fluences lower than single-pulse fluence threshold for ablation lead to LIPSS with periods within 150-500 nm, while increased fluence results in larger spatial period between 800-1100 nm.
Journal ArticleDOI
Influence of different cemented carbides on fabricating periodic micro-nano textures by femtosecond laser processing
TL;DR: In this article, five different cemented carbides are used in femtosecond laser machining to study the influence of different carbide materials on fabricating periodic micro-nano textures.
Journal ArticleDOI
Deep UV laser induced periodic surface structures on silicon formed by self-organization of nanoparticles
TL;DR: In this paper, the formation of laser-induced periodic surface structures (LIPSS) on silicon upon excitation with p-polarized excimer laser pulses in the deep ultraviolet region was investigated.
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.
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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.
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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.
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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.