Results 21 to 30 of about 2,796,396 (258)

High peak/average power picosecond pulsed MOPA system with tapered large mode area double-clad Yb-doped fiber [PDF]

EPJ Web of Conferences, 2022
In this paper, a high peak/average power picosecond pulsed master‑oscillator power‑amplifier (MOPA) system utilizing tapered large mode area double-clad fiber (T-DCF) is presented. In a high average power regime, we report a pulsed MOPA laser system with
Ustimchik V., Motorin E., Filippov V.
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Ultra-low NA step-index large mode area Yb-doped fiber with a germanium doped cladding for high power pulse amplification.

Optics Letters, 2020
High concentration rare earth doped, large mode area (LMA) step-index fibers, which feature a very high cladding absorption per unit length at the pump wavelength, high efficiency, and excellent beam quality, are ideal for high power pulsed fiber lasers ...
R. Sidharthan, D. Lin, K. Lim, Hui-Zi Li, Serene Huiting Lim, Chen-Jian Chang, Men-Seng Yue, Liang-Chua Song, Y. Jung, D. Richardson, S. Yoo   +10 more
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All-Glass Single-Mode Leakage Channel Microstructured Optical Fibers with Large Mode Area and Low Bending Loss

Photonics, 2023
The paper presents the results of theoretical and experimental studies of all-glass leakage channel microstructured optical fibers (MOFs) with a large mode area and low bending losses. These MOFs contain two layers of fluorine-doped silica glass elements
Alexander Denisov, Vladislav Dvoyrin, Alexey Kosolapov, Mikhail Likhachev, Vladimir Velmiskin, Sergey Zhuravlev, Sergey Semjonov   +6 more
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Polarization-maintaining large-mode-area solid-core anti-resonant fiber for high-power fiber lasers

Results in Physics, 2023
A polarization-maintaining large-mode-area solid-core anti-resonant fiber is investigated in this work with double-layer anti-resonant elements for improved capability on fundamental mode guidance and higher order mode suppression, and structural and ...
Hao Tian, Shijie Fu, Quan Sheng, Haichen Xu, Shuai Zhang, Wei Shi, Jianquan Yao   +6 more
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Influence of Pedestal Fiber Splice on Tm-Doped Fiber Laser Performance

IEEE Photonics Journal, 2023
The influence of Tm-doped pedestal fiber splice on the output performance of a large-mode-area (LMA) Tm-doped fiber laser (TDFL) has been investigated. Arc-fusion induced refractive-index deformation leads to laser leakage from the core to the pedestal ...
Sijie Wang, Hui Shen, Xiaolong Chen, Qiubai Yang, Meng Wang, Yunfeng Qi, Xisheng Ye   +6 more
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Design and Analysis of Trench-Assisted Low-Bending-Loss Large-Mode-Field-Area Multi-Core Fiber with an Air Hole

Photonics, 2021
In this paper, a trench-assisted low-bending-loss large-mode-field-area multi-core fiber with air hole is proposed, which can achieve dual-mode transmission.
Renjie Jia, Yudong Lian, Yulei Wang, Zhiwei Lu   +3 more
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Characteristics of Collimators Based on the Large-Mode-Area CMCF for Coupling Laser Beam

Applied Sciences, 2021
A new collimator based on a homemade concentric multilayer-core fiber (CMCF) is proposed and experimentally demonstrated. This collimator was fabricated using a tail fiber with large mode area and single-mode operation.
Xuran Zhang, Xiao Liang, Zhenxu Bai, Shuo Liu, Zhaoxin Geng, Tianhe Yin   +5 more
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A 7-kW narrow-linewidth fiber amplifier assisted by optimizing the refractive index of the large-mode-area active fiber

High Power Laser Science and Engineering
The high-power narrow-linewidth fiber laser has become the most widely used high-power laser source nowadays. Further breakthroughs of the output power depend on comprehensive optimization of stimulated Brillouin scattering (SBS), stimulated Raman ...
Peng-Fei Ma, Tian-Fu Yao, Wei Liu, Z. Pan, Yi-Sha Chen, Huan Yang, Zi-Lun Chen, Ze-Feng Wang, Pu Zhou, Jin-Bao Chen   +9 more
semanticscholar   +1 more source

Design and Fabrication of Single Transverse Mode Passive Large-Pitch Fibers

Cumhuriyet Science Journal
The fabrication processes of single transverse mode passive large-pitch optical fiber (LPF) have been proposed and investigated. The LPF design, combined with the fundamental mode operating principle of delocalizing higher-order modes, has led to ...
Bülend Ortaç
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Highly efficient ­Tm3+ doped germanate large mode area single mode fiber laser

Optical Materials Express, 2019
We report the fabrication of a low numerical aperture large mode area, high concentration thulium doped germanate glass fiber using a rod-in tube technique.
Fedia Ben Slimen, Shao-Xiang Chen, J. Lousteau, Y. Jung, N. White, S. Alam, D. Richardson, F. Poletti   +7 more
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