Results 61 to 70 of about 1,826,984 (242)

Femto-Laser Assisted Cataract Surgery: A Major Review

open access: yesDelhi Journal of Ophthalmology, 2014
Femtosecond laser–assisted cataract surgery provides the newest innovation in field of ophthalmology that has revolutionized the way cataract surgery is performed with potential of better outcomes and safety. This article describes the femtosecond laser,
Mahipal S Sachdev   +4 more
doaj   +1 more source

Electrons dynamics control by shaping femtosecond laser pulses in micro/nanofabrication: modeling, method, measurement and application

open access: yesLight: Science & Applications, 2017
During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order.
Lan Jiang   +4 more
semanticscholar   +1 more source

Femtosecond Laser Spectroscopy [PDF]

open access: yes, 2005
Foreword.- Preface.- Phase Controlled Femtosecond Lasers for Sensitive, Precise and Wide Bandwidth Nonlinear Spectroscopy.- Supercontinuum and High-Order Harmonics: 'Extreme' Coherent Sources for Atomic Spectroscopy and Attophysics.- The Measurement of Ultrashort Light - Simple Devices, Complex Pulses.- Femtosecond Combs for Precision Metrology ...
openaire   +3 more sources

Femtosecond Laser Ablated Polymer SERS Fiber Probe With Photoreduced Deposition of Silver Nanoparticles

open access: yesIEEE Photonics Journal, 2016
In this paper, a surface-enhanced Raman scattering (SERS) spectral probe based on a polymethylmethacrylate (PMMA) polymer fiber is produced by femtosecond laser ablation and photoreduced deposition of silver nanoparticles. It shows that a surface grating
Geng Youfu   +5 more
doaj   +1 more source

Endowing Metal Surfaces With Underwater Superoleophobicity by Femtosecond Laser Processing for Oil-Water Separation Application

open access: yesFrontiers in Physics, 2020
In this paper, a widely applicable method that has promise in endowing various metals with oil-water separation ability by femtosecond laser processing is reported.
Jiale Yong   +3 more
doaj   +1 more source

Three-dimensional femtosecond laser processing for lab-on-a-chip applications

open access: yes, 2018
The extremely high peak intensity associated with ultrashort pulse width of femtosecond laser allows us to induce nonlinear interaction such as multiphoton absorption and tunneling ionization with materials that are transparent to the laser wavelength ...
F. Sima   +5 more
semanticscholar   +1 more source

Characteristics and Applications of Spatiotemporally Focused Femtosecond Laser Pulses

open access: yesApplied Sciences, 2016
Simultaneous spatial and temporal focusing (SSTF) of femtosecond laser pulses gives rise to strong suppression of nonlinear self-focusing during the propagation of the femtosecond laser beam.
Chenrui Jing, Zhaohui Wang, Ya Cheng
doaj   +1 more source

Femtosecond Laser Direct Writing of Porous Network Microstructures for Fabricating Super‐Slippery Surfaces with Excellent Liquid Repellence and Anti‐Cell Proliferation

open access: yes, 2018
In this paper, it is demonstrated that one‐step femtosecond laser ablation can be used to directly fabricate porous network microstructures on various polymer surfaces, including poly(ethylene terephthalate) (PET), poly(methyl methacrylate), polyamide ...
Jiale Yong   +9 more
semanticscholar   +1 more source

Femtosecond Laser Texturing of Surfaces for Tribological Applications

open access: yesMaterials, 2018
Laser texturing is an emerging technology for generating surface functionalities on basis of optical, mechanical, or chemical properties. Taking benefit of laser sources with ultrashort (fs) pulse durations features outstanding precision of machining and
J. Bonse   +4 more
semanticscholar   +1 more source

Femtosecond laser ablation of enamel [PDF]

open access: yesJournal of Biomedical Optics, 2016
The surface topographical, compositional, and structural modifications induced in human enamel by femtosecond laser ablation is studied. The laser treatments were performed using a Yb:KYW chirped-pulse-regenerative amplification laser system (560 fs and 1030 nm) and fluences up to 14  J/cm2.
Caroline Bertrand   +2 more
openaire   +3 more sources

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