Results 21 to 30 of about 1,763,986 (234)

Wettability characteristics of carbon steel modified with CO2, Nd:YAG, Excimer and high power diode lasers [PDF]

open access: yes, 2000
Interaction of CO2, Nd:YAG, excimer and high power diode laser (HPDL) radiation with the surface of a common mild steel (EN8) was found to effect changes in the wettability characteristics of the steel, namely changes in the measured contact angle ...
Agathopoulos   +22 more
core   +1 more source

Fluorescence imaging inside an internal combustion engine using tunable excimer lasers.

open access: yesApplied Optics, 1990
Tunable excimer lasers are used to obtain 2-D images of molecular (and some state-specific) density distributions inside a cylinder of a modified four-cylinder in-line engine that has optical access.
Peter Andresen   +7 more
semanticscholar   +1 more source

Cross Sectional Analysis of Impact of Seasonal Changes on Excimer Laser Ablation Performance on Polymethyl Methacrylate (PMMA)

open access: yesVision, 2023
Seasonal changes and varying degree of corneal hydration has been linked to excimer laser corneal ablation rates. The use of PMMA as a calibration material in refractive lasers is well established.
Shwetabh Verma   +2 more
doaj   +1 more source

On the effects of using CO2 and F2 lasers to modify the wettability of a polymeric biomaterial. [PDF]

open access: yes, 2010
Enhancement of the surface properties of a material by means of laser radiation has been amply demonstrated previously. In this work a comparative study for the surface modification of nylon 6,6 has been conducted in order to vary the wettability ...
Arefi-Khonsari   +33 more
core   +1 more source

Myopic Laser-Assisted Subepithelial Keratectomy (LASEK) outcomes using three different excimer laser platforms: a retrospective observational study

open access: yesBMC Ophthalmology, 2019
Background To compare the visual and refractive outcomes after myopic LASEK using three different excimer lasers and standardized surgical and mitomycin C (MMC) application protocols. Methods In this retrospective, observational cohort study, we examined
Isabel Rodríguez-Pérez   +4 more
doaj   +1 more source

Crystallization of Amorphous Silicon via Excimer Laser Annealing and Evaluation of Its Passivation Properties

open access: yesEnergies, 2020
The crystallization of hydrogenated amorphous silicon (a-Si:H) is essential for improving solar cell efficiency. In this study, we analyzed the crystallization of a-Si:H via excimer laser annealing (ELA) and compared this process with conventional ...
Sanchari Chowdhury   +7 more
doaj   +1 more source

Comparative evaluation of the FemtoLASIK visual outcomes in low to moderate myopia using different excimer lasers

open access: yesОфтальмохирургия, 2019
Purpose. To evaluate visual and refractive results of FemtoLASIK using the WaveLight EX 500 and Microscan Visum excimer laser systems in patients with low to moderate myopia.Material and methods.
A. V. Doga   +4 more
doaj   +1 more source

Modulation of osteoblast cell response through laser surface processing of nylon 6,6 [PDF]

open access: yes, 2011
With an ageing population demand on medical facilities is growing, especially for bio-implants. Therefore, there is a need for cheaper, more efficient implants. This paper details how CO2 and KrF excimer lasers can be employed to modulate osteoblast cell
Lawrence, Jonathan, Waugh, David
core   +1 more source

Using UV laser surface treatment to modify the wettability characteristics of polyamide 6,6 and its effects on osteoblast cell activity [PDF]

open access: yes, 2010
Lasers can be used to modify the surface characteristics of a number of different materials for many applications. This paper details the way in which a KrF 248 nm excimer laser can be utilized to surface pattern and whole area irradiate nylon 6,6.
Lawrence, Jonathan, Waugh, David
core   +1 more source

One-Year Visual and Refractive Outcomes following LASIK for Myopia and Myopic Astigmatism with MEL 90 versus Schwind Amaris 750S Excimer Laser: A Comparative Study

open access: yesJournal of Ophthalmology, 2021
Purpose. To compare clinical outcomes following LASIK for myopia performed with MEL 90 vs. Schwind Amaris 750S excimer laser. Methods. Data were collected retrospectively for patients who underwent Femto-LASIK, using the MEL 90 and Schwind Amaris 750S ...
Sheetal Brar   +3 more
doaj   +1 more source

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