Zobrazeno 1 - 10
of 66
pro vyhledávání: '"Yewang Chen"'
Autor:
Meng Wang, Deqin Ouyang, Yu Lin, Yewang Chen, Minqiu Liu, Junqing Zhao, Xing Liu, Shuangchen Ruan
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 9, Pp n/a-n/a (2024)
Herein, the efficiently high‐power pulsed Raman lasers with wavelength above 2.1 μm are experimentally demonstrated relying on the stimulated Raman scattering. A tailored high‐power noise‐like pulse (NLP) fiber laser system centered at ≈1953
Externí odkaz:
https://doaj.org/article/6437394de5da4fb3a7db8d90ef4231de
Autor:
Sizhi Xu, Xing Liu, Yubo Gao, Zuoyuan Ou, Fayyaz Javed, Xingyu He, Haotian Lu, Junzhan Chen, Yewang Chen, Deqin Ouyang, Junqing Zhao, Xu Wu, Chunyu Guo, Cangtao Zhou, Qitao Lue, Shuangchen Ruan
Publikováno v:
High Power Laser Science and Engineering, Vol 12 (2024)
We report on an improved ytterbium-doped yttrium aluminum garnet thin-disk multi-pass amplifier for kilowatt-level ultrafast lasers, showcasing excellent beam quality. At a repetition rate of 800 kHz, the 6.8 ps, 276 W seed laser is amplified up to a
Externí odkaz:
https://doaj.org/article/9b93af36d6db4bdabd02cf91c6dc67e7
Autor:
Sizhi Xu, Yubo Gao, Xing Liu, Yewang Chen, Deqin Ouyang, Junqing Zhao, Minqiu Liu, Xu Wu, Chunyu Guo, Cangtao Zhou, Qitao Lue, Shuangchen Ruan
Publikováno v:
High Power Laser Science and Engineering, Vol 12 (2024)
We present an effective approach to realize a highly efficient, high-power and chirped pulse amplification-free ultrafast ytterbium-doped yttrium aluminum garnet thin-disk regenerative amplifier pumped by a zero-phonon line 969 nm laser diode. The am
Externí odkaz:
https://doaj.org/article/74b8dce5a68c4bec8c3f5e439c8e80fe
Autor:
Lang Sun, Dalin Sun, Xintong Xu, Shaowen Chu, YeWang Chen, Meng Wang, Juan Lu, Jiaqi Chen, Shuangchen Ruan
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 6, Pp n/a-n/a (2023)
As one of the 1D nanomaterials, Se nanochains have been widely used in photoelectric devices, such as photodetectors, battery devices, and optical sensors due to their excellent photoelectric properties. Among them, ultrafast photonics has attracted
Externí odkaz:
https://doaj.org/article/9968bd79f75d49878a2937368728b041
Publikováno v:
IEEE Photonics Journal, Vol 14, Iss 4, Pp 1-6 (2022)
This paper investigates pulse-profile-maintaining characteristics of a gain-switched nanosecond Raman fiber laser (RFL) and its Raman fiber amplifier (RFA). It is found that the pulse profiles can be precisely maintained after the gain-switched Raman
Externí odkaz:
https://doaj.org/article/678fd4e89fc8469c8c87648dc84aa6ef
Publikováno v:
Results in Optics, Vol 9, Iss , Pp 100297- (2022)
Herein, an ultrafast mode-locked Tm-doped fiber laser with all polarization-maintaining (PM) fiber relying on nonlinear amplifying loop mirror was firstly presented. The simple all-PM mode-locked oscillator can deliver output power of ∼1.20 mW and
Externí odkaz:
https://doaj.org/article/db5c75d4c16344459c6f3f8f3969fc33
Publikováno v:
Frontiers in Medical Technology, Vol 4 (2022)
Externí odkaz:
https://doaj.org/article/77b14e150bf54afb937c501fb5728231
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 4, Pp 1-5 (2021)
In this paper, a nonlinear absorbing-loop mirror (NAbLM) is constructed in a polarization-maintaining (PM) version and applied in the all-normal dispersion (ANDi) regime, for the first time to our best knowledge. To investigate the properties of NAbL
Externí odkaz:
https://doaj.org/article/45c40d49853a401d8ad3d9b2269f2232
Publikováno v:
IEEE Access, Vol 8, Pp 28475-28483 (2020)
The existing rail station passenger flow prediction models are inefficient, due to that most of them use single-source data to predict. In this paper, a novel method is proposed based on multi-layer LSTM, which integrates multi-source traffic data an
Externí odkaz:
https://doaj.org/article/795223b54a0847c3b8e51399a6ca0aa0
Autor:
Chunyu Guo, Weiqi Liu, Shuangchen Ruan, Jun Yu, Yewang Chen, Peiguang Yan, Jinzhang Wang, Saurabh Jain, Ping Hua
Publikováno v:
IEEE Photonics Journal, Vol 9, Iss 3, Pp 1-9 (2017)
A wavelength-tunable passively-synchronized 1-μm Q-switched and 1.5-μm gain-switched dual-wavelength pulsed fiber laser has been demonstrated with a single gain fiber for the first time to our knowledge. The realized dual-wavelength co-oscillation
Externí odkaz:
https://doaj.org/article/56f51a60f5204e71817ea340d7cd4e26