Zobrazeno 1 - 10
of 10
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
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:
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:
Yunhua Yao, Tianqing Jia, Jianrong Qiu, Ye Zheng, Cheng Xu, Wenjing Cheng, Pei Liu, Zhenrong Sun, Shian Zhang
Publikováno v:
Laser Physics Letters. 14:045301
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
Autor:
Guang-Bo Liu, Xiaolong Chen, Bing He, Kai Liu, Jianhua Wang, Yifeng Yang, Chun Zhao, Yunfeng Qi, Ye Zheng, Jun Zhou
Publikováno v:
Chinese Physics Letters. 33:074207
The stimulated Brillouin scattering (SBS) threshold enhancement factor in a pure white noise linewidth broadening Yb-doped fiber amplifier (YDFA) with a short large mode area fiber is theoretically and experimentally studied. We demonstrate a 1064.08
Autor:
Kai Liu, Gang Bai, Yifeng Yang, Chun Zhao, Jianhua Wang, Weichao Gong, Guang-Bo Liu, Man Hu, Bing He, Yang Bai, Ye Zheng, Jun Zhou, Xiaolong Chen
Publikováno v:
Journal of Optics. 18:065610
We achieve effective dispersion compensation by employing a single-multilayer dielectric diffraction grating and a variable-linewidth fiber amplifier. Both theoretical and experimental studies on the diffracted beam quality have been performed. The e
Autor:
Yifeng Yang, Chun Zhao, Kai Liu, Xiaolong Chen, Bing He, Jun Zhou, Ye Zheng, Jianhua Wang, Guang-Bo Liu, Man Hu
Publikováno v:
Chinese Physics Letters. 33:044208
A novel technique to suppress stimulated Raman scattering in a high power narrow-band fiber amplifier is reported. By seeding with a combination of a broadband amplified spontaneous emission seed and a narrowband master oscillator seed, the Raman Sto