Single‐Shot Reconfigurable Femtosecond Imaging of Ultrafast Optical Dynamics
Sign Up to like & getrecommendations! Published in 2023 at "Advanced Science"
DOI: 10.1002/advs.202207222
Abstract: Understanding ultrafast dynamics in the femtosecond timescale plays a pivotal role in fundamental research and technology innovation. Spatiotemporal observation of those events in real‐time requires imaging speeds greater than 1012 frames per second (fps), far… read more here.
Keywords: reconfigurable femtosecond; femtosecond; shot reconfigurable; femtosecond imaging ... See more keywords
A Model Describing the Propagation of a Femtosecond Pulse in a Kerr Nonlinear Medium
Sign Up to like & getrecommendations! Published in 2019 at "Computational Mathematics and Modeling"
DOI: 10.1007/s10598-019-09450-1
Abstract: We consider a model of nonlinear interaction of femtosecond pulses with a Kerr nonlinear medium, allowing for first and second order dispersion, nonlinear response dispersion, and mixed time and space derivatives. The invariants are constructed… read more here.
Keywords: femtosecond; model describing; nonlinear medium; kerr nonlinear ... See more keywords
Dependence of femtosecond writing parameters in waveguide formation process within significantly broad depths range
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-016-0879-1
Abstract: Direct femtosecond laser inscription has become an advanced and widespread maskless technology for waveguides writing inside optical materials. One of the advantages of the technology consists in combination of both high efficiency of integral optics… read more here.
Keywords: depth; range; within significantly; femtosecond writing ... See more keywords
Features of the Development of the Small-Scale Self-Focusing in Superpower Femtosecond Lasers
Sign Up to like & getrecommendations! Published in 2020 at "Radiophysics and Quantum Electronics"
DOI: 10.1007/s11141-020-10029-9
Abstract: The physical reason for the difference between the small-scale self-focusing of nanosecond and femtosecond pulses is that the typical intensity of the latter is three orders of magnitude higher, i.e., TW/cm2 versus GW/cm2. This causes… read more here.
Keywords: femtosecond; self focusing; small scale; scale self ... See more keywords
Development of surfaces with antibacterial durability through combined S phase plasma hardening and athermal femtosecond laser texturing
Sign Up to like & getrecommendations! Published in 2021 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2021.150594
Abstract: Abstract Antibacterial textures provide an attractive solution to the problem of cross contamination of foods and healthcare-acquired infections that regularly affect the food and medical industries. However, the functional properties associated with such textures typically… read more here.
Keywords: femtosecond; laser texturing; antibacterial durability; development surfaces ... See more keywords
Femtosecond lasers in cornea & refractive surgery.
Sign Up to like & getrecommendations! Published in 2021 at "Experimental eye research"
DOI: 10.1016/j.exer.2021.108477
Abstract: Since the introduction of femtosecond laser (FS) systems for corneal flap creation in laser-assisted in-situ keratomileusis there have been numerous applications for FS laser in corneal surgery. This manuscript details the utility of FS lasers… read more here.
Keywords: cornea refractive; surgery; femtosecond lasers; lasers cornea ... See more keywords
Dynamic thermal response of aluminum films induced by femtosecond-pulsed lasers with temperature dependent optical properties
Sign Up to like & getrecommendations! Published in 2017 at "Optik"
DOI: 10.1016/j.ijleo.2017.05.087
Abstract: Abstract This paper reports two optical models of temperature dependent reflectivity, R, and absorption coefficient, α, during femtosecond laser interaction with aluminum. After a comparison with existing experimental data, the critical point model (CPM) was… read more here.
Keywords: laser; thermal response; temperature dependent; femtosecond ... See more keywords
Shockwave propagation and pressure in aluminum films induced by hot-electron-blast during femtosecond-pulsed laser irradiation
Sign Up to like & getrecommendations! Published in 2018 at "Optik"
DOI: 10.1016/j.ijleo.2018.06.109
Abstract: Abstract This paper presents a transient analysis of the wave propagation in an aluminum film caused by a femtosecond laser pulse irradiation on the surface. The hot-electron-blast is induced during interaction between a femtosecond laser… read more here.
Keywords: propagation; electron blast; hot electron; femtosecond ... See more keywords
Broad-band femtosecond pulses, λ3 diffraction and managing of electron mirrors
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DOI: 10.1016/j.ijleo.2019.01.101
Abstract: Abstract The experimental and theoretical investigations of attosecond pulses diffraction describe one unexpected parabolic deformation of their intensity profile at few diffraction lengths. This deformation was called by some authors λ3 diffraction. In our previous… read more here.
Keywords: femtosecond; broad band; femtosecond pulses; pulses diffraction ... See more keywords
Non-diffraction-length Bessel-beam femtosecond laser drilling of high-aspect-ratio microholes in PMMA
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DOI: 10.1016/j.ijleo.2021.166295
Abstract: Abstract Bessel beam femtosecond lasers being non-diffractive are well-suited for drilling high aspect ratio microholes with minor thermal impact. Hereby, the Bessel beams with different non-diffraction lengths using axicon lenses were generated with different taper… read more here.
Keywords: femtosecond; ratio; ratio microholes; laser ... See more keywords
Effects of topical ketorolac tromethamine 0.45% on intraoperative miosis and prostaglandin E2 release during femtosecond laser-assisted cataract surgery.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of cataract and refractive surgery"
DOI: 10.1016/j.jcrs.2017.01.011
Abstract: PURPOSE To determine the effects of topical 0.45% ketorolac tromethamine on intraoperative miosis and prostaglandin E2 (PGE2) release during femtosecond laser-assisted cataract surgery. SETTING Seoul St. Mary's Hospital, Seoul, Korea. DESIGN Prospective case series. METHODS The… read more here.
Keywords: surgery; nsaid group; femtosecond laser; femtosecond ... See more keywords