Electromagnetic particle-in-cell (PIC) method for modeling the formation of metal surface structures induced by femtosecond laser radiation

Djouder, M.; Lamrous, Omar; Mitiche, Moh Djerdjer; Itina, Tatiana E.; Zemirli, M.

doi:10.1016/j.apsusc.2013.05.047

Cited by 5 publications

(3 citation statements)

References 15 publications

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“…[97] So far, just a few groups have studied LIPSS on basis of PIC-simulations. [98][99][100][101][102] Djouder et al simulated the irradiation of a copper target by linearly and circularly polarized fs-laser pulses (800 nm wavelength, 70 fs duration) at intensities up to 10 16 W cm −2 in a relativistic 2D-PIC scheme. [98,99] Their results indicate the early signature of LIPSS for the linearly polarized radiation already appearing during the laser pulse, featuring a sub-wavelength characteristics.…”

Section: Particle-in-cell (Pic) Simulationsmentioning

confidence: 99%

“…[98][99][100][101][102] Djouder et al simulated the irradiation of a copper target by linearly and circularly polarized fs-laser pulses (800 nm wavelength, 70 fs duration) at intensities up to 10 16 W cm −2 in a relativistic 2D-PIC scheme. [98,99] Their results indicate the early signature of LIPSS for the linearly polarized radiation already appearing during the laser pulse, featuring a sub-wavelength characteristics. Later, Gouda et al [100] used a relativistic 2D-PIC model considering a preformed hydrogen plasma (sub-critical, electron densities of 0.7 × N crit ) covering a supercritical hydrogen plasma (10 × N crit ) upon fs-laser pulse irradiation (800 nm wavelength, ≈30 fs duration) at a peak intensity of 10 16 W cm −2 .…”

Section: Particle-in-cell (Pic) Simulationsmentioning

confidence: 99%

“…So far, just a few groups have studied LIPSS on basis of PIC‐simulations. [ 98–102 ] Djouder et al. simulated the irradiation of a copper target by linearly and circularly polarized fs‐laser pulses (800 nm wavelength, 70 fs duration) at intensities up to 10 16 W cm −2 in a relativistic 2D‐PIC scheme.…”

Section: Theories Of Lipssmentioning

confidence: 99%

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Maxwell Meets Marangoni—A Review of Theories on Laser‐Induced Periodic Surface Structures

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Surface nanostructuring enables the manipulation of many essential surface properties. With the recent rapid advancements in laser technology, a contactless large-area processing at rates of up to m 2 s −1 becomes feasible that allows new industrial applications in medicine, optics, tribology, biology, etc. On the other hand, the last two decades enable extremely successful and intense research in the field of so-called laser-induced periodic surface structures (LIPSS, ripples). Different types of these structures featuring periods of hundreds of nanometers only-far beyond the optical diffraction limit-up to several micrometers are easily manufactured in a single-step process and can be widely controlled by a proper choice of the laser processing conditions. From a theoretical point of view, however, a vivid and very controversial debate emerges, whether LIPSS originate from electromagnetic effects or are caused by matter reorganization. This article aims to close a gap in the available literature on LIPSS by reviewing the currently existent theories of LIPSS along with their numerical implementations and by providing a comparison and critical assessment of these approaches.

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Section: Particle-in-cell (Pic) Simulationsmentioning

confidence: 99%

Section: Particle-in-cell (Pic) Simulationsmentioning

confidence: 99%

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How Light Drives Material Periodic Patterns Down to the Nanoscale

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Multiple ionization and Coulomb explosion of molecules, molecular complexes, clusters and solid surfaces

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Intense femtosecond lasers as well as X-ray free electron lasers provide new means to produce multiply charged molecular cations. The fragmentation processes that these high energy species undergo, termed Coulomb explosion, are utilized to determine the static molecular structures as well as to trace the molecular dynamics of ultrafast chemical reactions. This review focuses on recent advances made in studies of Coulomb explosion imaging, highlighting the use of this process to determine the static structures of complex molecules, geometric isomers, chiral molecules and molecular complexes. Briefly, we summarize the recent time-resolved studies of surface electric fields and the controversy pertaining to the contribution of Coulomb explosion to the mechanism for ablation of solid surfaces.

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Electromagnetic particle-in-cell (PIC) method for modeling the formation of metal surface structures induced by femtosecond laser radiation

Cited by 5 publications

References 15 publications

Maxwell Meets Marangoni—A Review of Theories on Laser‐Induced Periodic Surface Structures

Maxwell Meets Marangoni—A Review of Theories on Laser‐Induced Periodic Surface Structures

How Light Drives Material Periodic Patterns Down to the Nanoscale

Multiple ionization and Coulomb explosion of molecules, molecular complexes, clusters and solid surfaces

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