Deep Silicon Amorphization Induced by Femtosecond Laser Pulses up to the Mid‐Infrared
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100400
Abstract: Direct laser writing of amorphous lines in crystalline silicon has the potential for becoming a flexible alternative to silicon‐on‐insulator technology for photonic integrated circuits. Yet, the maximum amorphous layer thickness achieved is 60 nm, which… read more here.
Keywords: laser pulses; laser; mid infrared; femtosecond laser ... See more keywords
Dynamics of quadruple laser pulses in under‐dense plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Contributions To Plasma Physics"
DOI: 10.1002/ctpp.201600075
Abstract: An analysis of dynamics of a quadruple laser pulse propagating through an under-dense plasma is presented. The Drude model is used to derive the dielectric function of the plasma for relativistic non-linearity in the electron… read more here.
Keywords: laser; laser pulses; dynamics quadruple; pulses dense ... See more keywords
Optoacoustic tones generated by nanosecond laser pulses can cover the entire human hearing range
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Biophotonics"
DOI: 10.1002/jbio.202200161
Abstract: The aim of this work is to generate defined tones that cover the human hearing range in aqueous media for a later application in middle or inner ear implants. In our experiments, we investigated the… read more here.
Keywords: optoacoustic tones; nanosecond laser; hearing range; range ... See more keywords
Stimulated Emission Thresholds of Ethanol Solution of Coumarin-30 Dye with Incorporated ZnO Nanoparticles Upon Irradiation with Femtosecond Laser Pulses
Sign Up to like & getrecommendations! Published in 2020 at "Russian Physics Journal"
DOI: 10.1007/s11182-020-02189-y
Abstract: Experimental results of measuring the threshold power density of stimulated emission in coumarin-30 dye solutions with ZnO nanoparticles upon irradiation with femtosecond laser pulses are presented. It is shown that the stimulated emission thresholds of… read more here.
Keywords: coumarin dye; zno nanoparticles; stimulated emission; laser pulses ... See more keywords
Energy Characteristics of Non-Resonator Generation in Nanodispersed Active Media Irradiated with Femtosecond Laser Pulses
Sign Up to like & getrecommendations! Published in 2020 at "Russian Physics Journal"
DOI: 10.1007/s11182-020-02190-5
Abstract: Results of experimental measurements of the energy characteristics of stimulated emission in coumarin-30 and rhodamine 6G dyes with nanoparticles under irradiation with femtosecond laser pulses are presented. It is shown that the stimulated emission thresholds… read more here.
Keywords: energy characteristics; femtosecond laser; laser pulses;
Micro and Nano Laser Pulses for Melting and Surface Alloying of Aluminum with Copper
Sign Up to like & getrecommendations! Published in 2017 at "Lasers in Manufacturing and Materials Processing"
DOI: 10.1007/s40516-017-0034-2
Abstract: In the present work, the use of microsecond and nanosecond laser pulses to alloy copper in aluminum is presented. In the first run, high purity (99.999%) copper thin film was thermally evaporated over (99.9%) purity,… read more here.
Keywords: laser; copper; laser pulses; aluminum ... See more keywords
Parameters Affecting the Welding of Transparent Materials Using Femtosecond Laser Pulses
Sign Up to like & getrecommendations! Published in 2019 at "Lasers in Manufacturing and Materials Processing"
DOI: 10.1007/s40516-019-00108-9
Abstract: There is a pressing need for an accurate process in industrial laser applications such as welding transparent materials. Femtosecond laser pulses, which depend on the nonlinear absorption properties, can be utilized to weld transparent materials.… read more here.
Keywords: laser; transparent materials; femtosecond laser; laser pulses ... See more keywords
Studies of the confinement at laser-induced backside dry etching using infrared nanosecond laser pulses
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2017.08.099
Abstract: Abstract In the present study, laser-induced backside etching of SiO 2 at an interface to an organic material using laser pulses with a wavelength of λ = 1064 nm and a pulse length of τ = 7 ns have been performed… read more here.
Keywords: induced backside; laser; surface; laser pulses ... See more keywords
High-throughput micropatterning of plasmonic surfaces by multiplexed femtosecond laser pulses for advanced IR-sensing applications
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.04.048
Abstract: Abstract Tightly focused, highly spatially multiplexed femtosecond laser pulses, coming at sub-MHz repetition rates, were used to mask-less pattern thin plasmonic films film at ultrafast rates, approaching 25 million of microelements per second. For this… read more here.
Keywords: multiplexed femtosecond; laser pulses; femtosecond laser; high throughput ... See more keywords
Surface engineering of magnetic and mechanical properties of Ta/Pt/GdFeCo/IrMn/Pt heterostructures by femtosecond laser pulses
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.07.024
Abstract: Abstract Irradiation of the heterostructure glass/Ta/Pt/GdFeCo/IrMn/Pt by 50 fs ultra-short laser pulses causes local thinning of the film down to ~12–30 nm depth. These pits are distinguished by Atomic Force Microscopy (AFM), while their stray magnetic fields… read more here.
Keywords: crater; laser pulses; microscopy; gdfeco irmn ... See more keywords
Formation of periodic superhydrophilic microstructures by infrared nanosecond laser processing of single-crystal silicon
Sign Up to like & getrecommendations! Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.145753
Abstract: Abstract The evolution of the morphology and composition of the single-crystal silicon surface irradiated by infrared and visible nanosecond laser pulses is investigated as a function of processing parameters (laser fluence, irradiation spot size, the… read more here.
Keywords: crystal silicon; single crystal; laser pulses; silicon ... See more keywords