Results 1 to 10 of about 16,580 (118)

Treatment of Melasma With Q-Switched Laser in Combination With Tranexamic Acid [PDF]

open access: yesDermatology Research and Practice
Melasma, a pigmentary disorder that particularly affects Asian women, has been clinically proven to respond effectively to combination therapy of Q-switched lasers and tranexamic acid (TXA), especially with the advancements in laser aesthetics in recent ...
Zirui Liu
doaj   +2 more sources

PASSIVELY Q-SWITCHED YTTERBIUM-DOPED FIBER LASER EMPLOYING SAMARIUM OXIDE AS SATURABLE ABSORBER

open access: yesInternational Islamic University Malaysia Engineering Journal, 2021
The rapid developments in transition metal dichalcogenide materials as a saturable absorber (SAs) have been demonstrated to be an effective method for generating Q-switched fiber laser.
Muhamad Khairul Nizam Mohd Rusdi   +7 more
doaj   +1 more source

Passively Q-switched 0.24 mJ ring laser based on anisotropic tapered fiber

open access: yesResults in Physics, 2021
We report on a passively high-power Q-switched ring laser based on the active polarization-maintaining double-clad tapered Yb3+-doped fiber (APM-T-DCF) as gain media.
V.E. Ustimchik   +4 more
doaj   +1 more source

Design and realization of a compact and multi-purpose passively Q-switched ND:YAG laser system [PDF]

open access: yesJournal of Engineering Science and Military Technologies, 2018
In this paper, a passively Q-switched pulsed Nd:YAG laser system is designed and realized for defense applications. Our previously published generalized mathematical model for passively Q-switched lasers is used to help extract the design parameters of ...
Adel Mohamed
doaj   +1 more source

Highly efficient mode-locked and Q-switched Er3+-doped fiber lasers using a gold nanorod saturable absorber

open access: yesScientific Reports, 2021
Mode-locked and Q-switched pulsed fiber laser sources with wavelengths of 1.55 μm are widely used in various fields. Gold nanorods (GNRs) have been applied in biomedicine and optics owing to their biocompatibility, easy fabrication, and unique optical ...
Yin-Wen Lee   +5 more
doaj   +1 more source

Experimental Investigation of Actively Q-Switched Er3+:ZBLAN Fiber Laser Operating at around 2.8 µm

open access: yesSensors, 2020
A diode-pumped Q-switched Er3+:ZBLAN double-clad, single-transverse mode fiber laser is practically realized. The Q-switched laser characteristics as a function of pump power, repetition rate, and fiber length are experimentally investigated. The results
Lukasz Sojka   +6 more
doaj   +1 more source

High-energy, alignment-insensitive, injection-seeded Q-switched Ho:yttrium aluminum garnet single-frequency laser

open access: yesHigh Power Laser Science and Engineering, 2023
A high-energy, alignment-insensitive, injection-seeded Q-switched Ho:yttrium aluminum garnet (YAG) single-frequency laser is developed. Both the slave Q-switched laser and the seed laser are Ho:YAG ring lasers based on a pair of corner cubic reflectors ...
Dong Yan   +8 more
doaj   +1 more source

A 1625 nm Q‐Switched All‐Fiber Laser

open access: yesAdvanced Photonics Research, 2022
A Q‐switched all‐fiber Er‐doped laser operated at a wavelength up to 1625 nm is proposed and demonstrated. A self‐developed, element hybridization (Al, Ge, La, P, and Er in the core, Si and P in the cladding region) glass fiber with gain extended to U ...
Huihui Cheng   +7 more
doaj   +1 more source

Computation and Verification of Spatial Rate Equations for an Electro-Optically Q-Switched Laser-Diode Side-Pumped Nd:YAG Laser

open access: yesApplied Sciences, 2023
In a side-pumped laser module, we simulate the pumping power distribution across the cross-section of Nd:YAG rods at varying diameters. The coupled rate equations with the spatial overlap efficiency for a four-level actively Q-switched side-pumped laser ...
Renpeng Yan, Haobo Xu, Xudong Li
doaj   +1 more source

Effects of Q-switched Nd: YAG laser irradiation on the aqueous solution of human albumin and calf-thymus double strand DNA (ctds)

open access: yesIraqi Journal of Physics, 2019
Q-switched lasers widely used in management skin diseases and sometimes its effect may be inadequate or associated with cytotoxicity. The current study aimed to investigate the effect of Q-switched Nd:YAG laser upon cellular elements using in vitro ...
Nida Hassan Ali
doaj   +1 more source

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