Zobrazeno 1 - 10
of 220
pro vyhledávání: '"Zongfu Jiang"'
Autor:
Junrui Liang, Jun Ye, Xiaoya Ma, Yao Lu, Jun Li, Jiangming Xu, Zilun Chen, Jinyong Leng, Zongfu Jiang, Pu Zhou
Publikováno v:
Frontiers of Optoelectronics, Vol 17, Iss 1, Pp 1-10 (2024)
Abstract This study presents a high-accuracy, all-fiber mode division multiplexing (MDM) reconstructive spectrometer (RS). The MDM was achieved by utilizing a custom-designed 3 × 1 mode-selective photonics lantern to launch distinct spatial modes in
Externí odkaz:
https://doaj.org/article/96ed886fd6bf4a7a8d1e074f507b525f
Autor:
Zixin Yang, Qiang Yu, Jian Wu, Haiqin Deng, Yan Zhang, Wenchao Wang, Tianhao Xian, Luyi Huang, Junrong Zhang, Shuai Yuan, Jinyong Leng, Li Zhan, Zongfu Jiang, Junyong Wang, Kai Zhang, Pu Zhou
Publikováno v:
Light: Science & Applications, Vol 13, Iss 1, Pp 1-10 (2024)
Abstract Laser state active controlling is challenging under the influence of inherent loss and other nonlinear effects in ultrafast systems. Seeking an extension of degree of freedom in optical devices based on low-dimensional materials may be a way
Externí odkaz:
https://doaj.org/article/66b2571c7a614dfa8bc33b3c8719a4fa
Publikováno v:
Photonics, Vol 11, Iss 8, p 696 (2024)
We experimentally studied the transverse mode instability (TMI) threshold of a linearly polarized single-frequency fiber laser amplifier constructed with tapered ytterbium-doped fiber (TYDF) under different bending diameters. The TMI threshold increa
Externí odkaz:
https://doaj.org/article/6bd39b80977f46799b116283fdb71e04
Autor:
Yi An, Fengchang Li, Huan Yang, Xiao Chen, Liangjin Huang, Zhiping Yan, Min Jiang, Baolai Yang, Peng Wang, Zhiyong Pan, Zongfu Jiang, Pu Zhou
Publikováno v:
Photonics, Vol 11, Iss 7, p 615 (2024)
As a novel design of large-mode-area fiber, the single trench fiber (STF) providing high higher-order-mode suppression with a large mode area for the fundamental mode shows potential for high-power and high-brightness applications. However, the outpu
Externí odkaz:
https://doaj.org/article/b92dfe9c0c2f44d6bcd96c114c0941b0
Autor:
Xiao Chen, Shanmin Huang, Liangjin Huang, Lei Du, Zhiping Yan, Zhiyong Pan, Pu Zhou, Zongfu Jiang
Publikováno v:
High Power Laser Science and Engineering, Vol 12 (2024)
Suppressing mode degradation is the key issue for high-power laser delivery; however, diagnosing mode degradation in its entirety, ranging from the contents and origins to locations, has always been a major obstacle. Here, a versatile approach for tr
Externí odkaz:
https://doaj.org/article/0cdd27aee7ed43ce8467d3b6fd199a36
Mitigating transverse mode instability in fiber laser oscillator by employing direct pump modulation
Autor:
Junyu Chai, Wenguang Liu, Xiaolin Wang, Qiong Zhou, Jiangbin Zhang, Pengfei Liu, Hanwei Zhang, Yao Lu, Dan Zhang, Zongfu Jiang, Guomin Zhao
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
The transverse mode instability (TMI) is a thermal-optical effect, inducing a sudden deterioration of beam quality and average power. This non-linear effect will greatly limit the power scaling of fiber lasers. We demonstrate a direct pump modulation
Externí odkaz:
https://doaj.org/article/43f132f98d0c4df3803220d3508bbcfb
Autor:
Yao Lu, Zongfu Jiang, Hu Xiao, Zilun Chen, Man Jiang, Junyu Chai, Hao Yang, Lianchuang Ding, Dan Zhang, Jiangbin Zhang, Qiong Zhou, Wenguang Liu
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
In this study, a method of stabilizing the output beam of a large-mode-area fiber amplifier operating above the mode instability threshold is demonstrated. A mode control system based on the photonic lantern is used to excite dynamic mode beatings as
Externí odkaz:
https://doaj.org/article/652a437064fb47bea306856bd816d881
Autor:
Junyu Chai, Wenguang Liu, Xiaolin Wang, Qiong Zhou, Kun Xie, Yujun Wen, Jiangbin Zhang, Pengfei Liu, Hanwei Zhang, Dan Zhang, Zongfu Jiang, Guomin Zhao
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Up till now, the spatial and temporal dynamics of transverse mode instability (TMI) in fiber laser oscillator have increasingly attracted a worldwide attention. Here, we develop a high-speed modal decomposition (MD) system to analyze the modal coupli
Externí odkaz:
https://doaj.org/article/b20cac84462d40e1b778e450fc04182f
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
Central refractive index dip is a common phenomenon in the fibers fabricated by the modified chemical vapor deposition (MCVD) technology, which is the main fabrication technique for high-power laser fibers. In this paper, we present a numerical analy
Externí odkaz:
https://doaj.org/article/fee35ff17cd24c629055f6e565e2c6e4
Autor:
Qiang Yu, Fangqi Liu, Yan Zhang, Haiqin Deng, Bowang Shu, Junrong Zhang, Tianan Yi, Yongping Dai, Chao Fan, Wei Su, Zhiqiang Wang, Sicong Zhu, Zongfu Jiang, Jian Wu, Kai Zhang
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 4, Pp n/a-n/a (2023)
Although the physicochemical properties of gallium selenide (GaSe) have been widely investigated, the property and application exploration of GaSe‐coupled fiber devices are still in its infancy. There are obvious challenges, namely, selecting from
Externí odkaz:
https://doaj.org/article/7c0e210bc25f49f99d938ed7b0f676fc