Zobrazeno 1 - 10
of 431
pro vyhledávání: '"Hanwei ZHANG"'
Publikováno v:
Supramolecular Materials, Vol 3, Iss , Pp 100076- (2024)
Polycatenanes as a typical type of mechanically interlocked polymers (MIP), composing of some interlocked cycles through topology bonding has been extensively investigated. However, the comprehension regarding polycatenanes-based materials still lags
Externí odkaz:
https://doaj.org/article/5abdf5bff4d84b5c852f76d239d6bdca
Autor:
Xiangming Meng, Fengchang Li, Jinbao Chen, Xiaoming Xi, Baolai Yang, Peng Wang, Zhiyong Pan, Zhiping Yan, Hanwei Zhang, Xiaolin Wang, Zefeng Wang
Publikováno v:
IEEE Photonics Journal, Vol 16, Iss 6, Pp 1-6 (2024)
In this study, we demonstrate a high-power ytterbium-doped fiber laser (YDFL) based on laser diodes (LDs) directly pumping scheme. Tandem pumping and LD direct pumping are two common schemes for generating high-brightness laser output in YDFL. Compar
Externí odkaz:
https://doaj.org/article/08b07309c440477484052f50312e1f6d
Autor:
Mingye Yang, Peng Wang, Xiaoyong Xu, Hanshuo Wu, Zhiyong Pan, Yun Ye, Zhiping Yan, Xiaoming Xi, Hanwei Zhang, Xiaolin Wang
Publikováno v:
Photonics, Vol 11, Iss 11, p 1033 (2024)
Utilizing long-wavelength laser diodes (LDs) for pumping to achieve high-power fiber laser output is an effective method for attaining high quantum efficiency and excellent thermal management. In this work, we report on a Master Oscillator Power Ampl
Externí odkaz:
https://doaj.org/article/de30b49741f94ac5b446db3a62e6fa17
Autor:
Shanmin Huang, Yang Zhang, Xiulu Hao, Chenchen Fan, Xiao Chen, Jun Ye, Tianfu Yao, Hanwei Zhang, Liangjin Huang, Jinyong Leng, Jiangming Xu, Zhiyong Pan, Pu Zhou
Publikováno v:
Photonics, Vol 11, Iss 11, p 1059 (2024)
The generation of unwanted higher-order Raman effects is the main factor restricting the power scaling of Raman fiber amplifiers (RFAs). This phenomenon arises from an interplay of physical processes, including stimulated Raman scattering (SRS), four
Externí odkaz:
https://doaj.org/article/99f266e000af4788b6da43428601bd02
Autor:
Yuxuan Ze, Pengfei Liu, Hanwei Zhang, Yanyang Hu, Lianchuang Ding, Baozhu Yan, Jiangbin Zhang, Qiong Zhou, Wenguang Liu
Publikováno v:
Micromachines, Vol 15, Iss 11, p 1342 (2024)
A photonic lantern is a low-loss device that connects a single multimode waveguide to multiple single-mode waveguides and can enhance the beam quality of a fiber laser by adaptively controlling the optical parameters (amplitude, phase, polarization)
Externí odkaz:
https://doaj.org/article/03af180c08fe4029af7ce0877654b953
Publikováno v:
SmartMat, Vol 5, Iss 2, Pp n/a-n/a (2024)
Abstract Traditional multicolor fluorescent hydrogels are generated through the assembly of discrete fluorescent hydrogels, which is not a complete integration much distinct from living organisms. On the basis of aggregation‐induced emission (AIE),
Externí odkaz:
https://doaj.org/article/3d0025e4b2c849ff8c2c81f2193025ec
Autor:
Xinyi Ding, Lingfa Zeng, Li Wang, Hanshuo Wu, Peng Wang, Hanwei Zhang, Xiaolin Wang, Yu Ning, Fengjie Xi, Xiaojun Xu
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-10 (2023)
Abstract Quasi-continuous wave (QCW) laser has a very broad application in the industrial field, especially in additive manufacturing, surface treatment, laser cutting, laser cleaning, and laser drilling. Compared with the unidirectional fiber laser,
Externí odkaz:
https://doaj.org/article/d6739ad95be4498eb2fb92e4e231a6e7
Publikováno v:
Applied Sciences, Vol 14, Iss 13, p 5683 (2024)
State space models (SSM) with selection mechanisms and hardware-aware architectures, namely Mamba, have recently shown significant potential in long-sequence modeling. Since the complexity of transformers’ self-attention mechanism is quadratic with
Externí odkaz:
https://doaj.org/article/622b06ed678e47fdbc6e6fe989535749
Autor:
Jinming Wu, Fengchang Li, Peng Wang, Hanwei Zhang, Hanshuo Wu, Xiaoming Xi, Chen Shi, Baolai Yang, Xiaolin Wang, Kai Han, Jinbao Chen
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 6, Pp 1-5 (2023)
Fiber laser has been developed to the point where the average power scaling can reach several kilowatts readily for oscillators and more for amplifiers. In the meanwhile, the thermal effects inside the fiber laser also become prominent. Temperature r
Externí odkaz:
https://doaj.org/article/549bc2bd599348ea812c2e750c8fa621
Autor:
Xiangming Meng, Yun Ye, Baolai Yang, Xiaoming Xi, Peng Wang, Chen Shi, Zhiyong Pan, Liangjin Huang, Hanwei Zhang, Xiaolin Wang
Publikováno v:
IEEE Photonics Journal, Vol 15, Iss 4, Pp 1-7 (2023)
Tapered Yb-doped fiber (T-YDF) can balance the suppression of transverse mode instability (TMI) and stimulated Raman scattering (SRS) in high power fiber lasers. In this work, we have constructed an all-fiberized master oscillator power amplifier emi
Externí odkaz:
https://doaj.org/article/083b9660ae554431b5183f19d7a1eb8b