Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Ye Zheng"'
Autor:
Jun Zhou, Chun Zhao, Kai Liu, Bing He, Ye Zheng, Yifeng Yang, Yunfeng Qi, Xiaolong Chen, Jianhua Wang, Man Hu
Publikováno v:
Optics & Laser Technology. 90:22-26
In order to improve the processing efficiency and quality of nanosecond pulse laser drilling, a new double-pulse technique is put forward. Two single pulse lasers with different pulse duration or different repetition rate are spectrally combined by a
Autor:
Li Siyuan, Yu Miao, Xuefeng Wang, Ye Zheng, Junlong Wang, Lin Zhang, Zhanda Zhu, Xiaoxi Liu, Qingle Ni
Publikováno v:
Applied Optics. 58:8339
We demonstrate 10 kW spectral beam combination of six narrow-linewidth fiber amplifiers by two transmission gratings with a combining efficiency about 90%. The wavelengths of incident beams range from 1056 to 1088 nm. Each fiber amplifier delivers 2
Publikováno v:
Journal of Lightwave Technology. 32:2510-2515
An all-fiber passively Q-switched Yb-doped fiber laser with fiber saturable absorber (SA) based on a piece of Sm-doped fiber is presented. For the first time, we observe the fast stimulated Brillouin scattering Q-switched process in an Yb/Sm all-fibe
Publikováno v:
Photonics Research. 7:486
The ability to control the energy transfer in rare-earth ion-doped luminescent materials is very important for various related application areas such as color display, bio-labeling, and new light sources. Here, a phase-shaped femtosecond laser field
Autor:
Kai Liu, Ye Zheng, Xiang Zhao, Jun Zhou, Yifeng Yang, Bing He, Xiaolong Chen, Guang-Bo Liu, Man Hu, Chun Zhao, Jianhua Wang
Publikováno v:
Optics express. 24(11)
We report an 8-element spectral beam combination of Yb-doped all fiber superfluorescent sources around 1070 nm wavelength. Each source consists of a 60 mW front-end and a 1.5 kW three-stage fiber amplifier chain. The eight output beamlets are spectra
Autor:
Jianping Li, Shian Zhang, Tianqing Jia, Zhenrong Sun, Yunhua Yao, Jianrong Qiu, Wenjing Cheng, Lianzhong Deng, Ye Zheng
Publikováno v:
Photonics Research. 6:144
The ability to manipulate the valence state conversion of rare-earth ions is crucial for their applications in color displays, optoelectronic devices, laser sources, and optical memory. The conventional femtosecond laser pulse has been shown to be a
Autor:
Chun Zhao, Xiaolong Chen, Jun Zhou, Bing He, Kai Liu, Ye Zheng, Gang Bai, Xiang Zhao, Yifeng Yang, Yunfeng Qi
Publikováno v:
Laser Physics. 28:025101
We implement a fast beam quality factor evaluation of a large-mode-area 20/400 µm fiber based on mode decomposition and reconstruction. Each transverse mode power weight factor and relative phase difference at the fiber output facet are estimated by
Autor:
Yifeng Yang, Yunfeng Qi, Xiang Zhao, Gang Bai, Kai Liu, Xiaojun Li, Biao Peng, Bing He, Xiaolong Chen, Jun Zhou, Ye Zheng, Chun Zhao
Publikováno v:
Journal of Optics. 19:065801
Mode instability (MI) has become one of the main restrictions for further power scaling of large mode area (LMA) fiber systems. A periodical large-small-core (PLSC) filter in a strongly pumped LMA fiber amplifier based on multimode interference and s
Autor:
Chun Zhao, Ye Zheng, Xiang Zhao, Yunxia Jin, Weichao Gong, Xiaolong Chen, Gang Bai, Kai Liu, Yifeng Yang, Yunfeng Qi, Jun Zhou, Bing He, Jingpu Zhang
Publikováno v:
Chinese Journal of Lasers. 44:0201002
Autor:
Xiaolong Chen, Kai Liu, Chun Zhao, Yifeng Yang, Yunfeng Qi, Ye Zheng, Bing He, Jun Zhou, Jianhua Wang, Man Hu
Publikováno v:
Journal of Optics. 18:105501
Nanosecond pulses with a widely tunable repetition-rate and pulse-duration at 1 μm wavelength are obtained by spectrally combining two pulse fiber amplifiers using a home-made polarization-independent multilayer dielectric reflective diffraction gra