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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 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

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

Exponential Quasi-Incremental-(Q, S, R)- Dissipativity and Practically Incremental Stability for Switched Nonlinear Systems

open access: yesIEEE Access, 2021
This paper addresses the problems of exponentially quasi-incremental-(Q, S, R)-dissipativity and practically incremental stability analysis for a switched nonlinear system.
Hongbo Pang, Shuo Liu
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

A Linearly Polarized Wavelength-Tunable Q-Switched Fiber Laser with a Narrow Spectral Bandwidth of 112 MHz

open access: yesSensors, 2023
A tunable and narrow-bandwidth Q-switched ytterbium-doped fiber (YDF) laser is investigated in this paper. The non-pumped YDF acts as a saturable absorber and, together with a Sagnac loop mirror, provides a dynamic spectral-filtering grating to achieve a
Chengjie Zhu   +9 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

Te Film as a Saturable Absorber for the Mid-Infrared Er3+-Doped ZBLAN Fiber Laser

open access: yesFrontiers in Physics, 2022
We demonstrate a Q-switched Er3+-doped ZBLAN fiber laser at 2.8 µm mid-infrared (mid-IR) region achieved by adopting Te as the saturable absorber mirror (SAM).
Min Zhang   +4 more
doaj   +1 more source

Advances in All-Solid-State Passively Q-Switched Lasers Based on Cr4+:YAG Saturable Absorber

open access: yesPhotonics, 2021
All-solid-state passively Q-switched lasers have advantages that include simple structure, high peak power, and short sub-nanosecond pulse width. Potentially, these lasers can be applied in multiple settings, such as in miniature light sources, laser ...
Jingling Tang   +6 more
doaj   +1 more source

Heterostructure ReS2/GaAs Saturable Absorber Passively Q-Switched Nd:YVO4 Laser

open access: yesNanoscale Research Letters, 2019
Heterostructure ReS2/GaAs was fabricated on a 110-μm (111) GaAs wafer by chemical vapor deposition method. Passively Q-switched Nd:YVO4 laser was demonstrated by employing heterostructure ReS2/GaAs as a saturable absorber (SA).
Lijie Liu   +5 more
doaj   +1 more source

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