High-power passive fiber components for all-fiber lasers and amplifiers application—design and fabrication

D Stachowiak - Photonics, 2018 - mdpi.com
The most important components for application in high-power all-fiber lasers and amplifiers
are, most of all, power combiners, but also mode field adaptors. This paper summarizes …

5kW GTWave fiber amplifier directly pumped by commercial 976nm laser diodes

H Zhan, Q Liu, Y Wang, W Ke, L Ni, X Wang, K Peng… - Optics express, 2016 - opg.optica.org
With home-made fiber perform and special fiber drawing & coating technique, a new-type of
(3+ 1) GTWave fiber theoretically designed for bi-directional pump method, was successfully …

Fabrication of 4× 1 signal combiner for high-power lasers using hydrofluoric acid

IS Choi, J Park, H Jeong, JW Kim, MY Jeon, HS Seo - Optics Express, 2018 - opg.optica.org
We report a new method to fabricate a 4× 1 signal combiner that comprises an output fiber
port and a tapered fused bundle (TFB) with four input fiber ports. The TFB is etched in a …

2 kW (2+ 1) GT-wave fiber amplifier

H Zhan, Y Wang, K Peng, Z Wang, L Ni… - Laser Physics …, 2016 - iopscience.iop.org
We report on a home-made 2 kW (2+ 1) GT-wave fiber, and demonstrated its use in the
creation of a bidirectional pump amplifier. The constructed all-fiber master oscillator power …

Large-mode-area fused-fiber combiners, with nearly lowest-mode brightness conservation

Y Shamir, Y Sintov, M Shtaif - Optics letters, 2011 - opg.optica.org
We show the feasibility of producing a low-mode all-fiber combiner fabricated from a large
core and extremely small NA fibers. Although these fibers support multiple modes, the …

Recent brightness improvements of 976 nm high power laser bars

A Bachmann, C Lauer, M Furitsch… - High-Power Diode …, 2017 - spiedigitallibrary.org
Pump modules for fiber lasers and fiber-coupled direct diode laser systems require laser
diodes with a high beam quality. While in fast axis direction diode lasers exhibit a nearly …

[HTML][HTML] Design and fabrication of> 20 KW 5× 1 pump combiner with high efficiency

Y Li, Y Liu, F Li, N Liu, Y Li, W Wu, S Huang… - Optics & Laser …, 2023 - Elsevier
Abstract Design considerations and fabrication details of a high-efficiency 5× 1 pump
combiner with a brightness ratio of 1.05 are presented. Using five 135/155 μm NA= 0.22 …

Spatial beam properties of combined lasers' delivery fibers

Y Shamir, R Zuitlin, Y Sintov, M Shtaif - Optics letters, 2012 - opg.optica.org
The superiority of parabolic-index fibers over step-index fibers in delivering high-beam-
quality light out of incoherently combined lasers is demonstrated numerically and …

High-power pump combiners for Tm-doped fibre lasers

D Stachowiak, P Kaczmarek… - Opto-Electronics Review, 2015 - degruyter.com
In this paper our results of investigation on a pump power combiner in a configuration of 7×
1 are presented. The performed combiner, with pump power of 80–85% transmission level …

[PDF][PDF] 高功率光纤激光抽运耦合技术综述

肖起榕, 张大勇, 王泽晖, 黄昱升, 张利明… - Chinese Journal of …, 2017 - researching.cn
摘要高功率光纤激光器是目前激光器研究发展的一个热点. 抽运耦合功率将直接决定光纤激光器
的输出功率. 分析了光纤激光抽运耦合技术的研究现状, 从端面抽运耦合和侧面抽运耦合两大 …