Results 1 to 10 of about 18,598 (289)

Femtosecond Pulsed Fiber Laser by an Optical Device Based on NaOH-LPE Prepared WSe2 Saturable Absorber [PDF]

open access: goldNanomaterials, 2022
We report on all-optical devices prepared from WSe2 combined with drawn tapered fibers as saturable absorbers to achieve ultrashort pulse output. The saturable absorber with a high damage threshold and high saturable absorption characteristics is ...
Si Chen   +7 more
doaj   +4 more sources

SiO2 Passivated Graphene Saturable Absorber Mirrors for Ultrashort Pulse Generation [PDF]

open access: yesNanomaterials, 2022
Owing to its broadband absorption, ultrafast recovery time, and excellent saturable absorption feature, graphene has been recognized as one of the best candidates as a high-performance saturable absorber (SA).
Hongpei Wang   +6 more
doaj   +2 more sources

Dual Regime Mode-Locked and Q-Switched Erbium-Doped Fiber Laser by Employing Graphene Filament–Chitin Film-Based Passive Saturable Absorber [PDF]

open access: yesMicromachines, 2023
We investigate the dynamics of high energy dual regime unidirectional Erbium-doped fiber laser in ring cavity, which is passively Q-switched and mode-locked through the use of an environmentally friendly graphene filament–chitin film-based saturable ...
Siti Nur Fatin Zuikafly   +8 more
doaj   +2 more sources

Gigahertz femtosecond laser-by a novel asymmetric one-dimensional photonic crystal saturable absorber device with defect layer [PDF]

open access: yesNanophotonics, 2022
High repetition frequency (HRF) ultrashort pulse fiber laser has been widely used in laser cold processing. The technical solutions such as short cavity length fiber laser have been proposed to achieve HRF ultrashort pulse output recently.
Song Chun-Yu   +14 more
doaj   +2 more sources

Passively Q-switched Yb-doped fiber laser based on Ag nanoplates saturable absorber [PDF]

open access: diamondEPJ Web of Conferences, 2020
We experimentally investigated Ag nanoplates as saturable absorber for Q-switched pulse generation in an Yb-doped fiber laser. The pulse train repetition rate increases with the increase of the pump power. At the maximum pump power of 600 mW, the maximum
Wang Pan, Scardaci Vittorio
doaj   +2 more sources

Passively Mode-Locked Er-Doped Fiber Laser Based on Sb2S3-PVA Saturable Absorber [PDF]

open access: yesMolecules, 2022
In this paper, antimony trisulfide (Sb2S3) was successfully prepared with the liquid phase exfoliation method and embedded into polyvinyl alcohol (PVA) as a saturable absorber (SA) in a passively mode-locked Er-doped fiber laser for the first time. Based
Qiongyu Hu   +8 more
doaj   +2 more sources

Initial Transmission Influence on Saturable Absorber Absorption Activity of Passive Q-Switching Erbium -Doped Fiber Laser System

open access: yesمجلة علوم ذي قار, 2023
The initial transmission effect on the activity of Cr+4: YAG saturable absorber with Er +3 doped fiber laser was investigated. Software computer program was built in this study for solving the rate equations model by Rung - Kutta –Fehlberg numerical ...
Zainab Ali   +4 more
doaj   +1 more source

Bi2Te3/Graphene Heterostructure as the Saturable Absorber for ~1.0 μm Passively Q-switched Solid State Pulsed Laser

open access: yesCrystals, 2022
Due to the tunable nonlinear optical properties of the Bi2Te3/graphene heterostructure, stable solid state pulsed lasers based on the Bi2Te3/graphene saturable absorber have attracted intensive attention. In this work, the Bi2Te3/graphene heterostructure
Yijian Sun, Houping Xia
doaj   +1 more source

Ultrafast erbium-doped fiber laser using electrodeposition coated MoS2 thin film as saturable absorber

open access: yesMaterials Research Express, 2023
In this work, we have experimentally demonstrated the ultrafast laser in Erbium-doped fiber laser using MoS _2 as saturable absorber. The MoS _2 SA in this work is prepared by bottom-up method.
Jason Lee Lian Hong   +6 more
doaj   +1 more source

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