Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Yongshi Cheng"'
Autor:
Yongshi Cheng, Luyun Yang, Yingbin Xing, Yehui Liu, Yibo Wang, Xianfeng Lin, Jinyan Li, Gui Chen, Nan Zhao, Ruiting Cao, Haiqing Li
Publikováno v:
IEEE Photonics Technology Letters. 31:809-812
We report on our investigation of photo-darkening (PD)-induced thermal load in Yb-doped fiber lasers and the effective suppression by H2-loading. Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may
Publikováno v:
Conference on Lasers and Electro-Optics.
We report an Yb-doped fiber with tapered core and uniform cladding. A 364 W laser output was observed in MOPA structure. The laser slope efficiency was measured to be 71.11% and M2 factor was 1.63.
Autor:
Yibo Wang, Ruiting Cao, Luyun Yang, Haiqing Li, Yongshi Cheng, Yingbin Xing, Yisha Chen, Xianfeng Lin, Gui Chen, Jinyan Li
Publikováno v:
Optics express. 27(19)
A novel method for mitigating photo-darkening and the effective photo-bleaching phenomenon by 532 nm cladding pump in Yb-doped fiber were herein reported. Compared with the pristine fiber, beyond 30% of photo-darkening induced excess loss was suppres
Autor:
Yibo Wang, Zhilun Zhang, Yingbin Xing, Fangfang Zhang, Jinyan Li, Yehui Liu, Lei Liao, Nengli Dai, Yongshi Cheng, Xianfeng Lin, Haiqing Li, Lvyun Yang
Publikováno v:
Optics Express. 27:20824
A gain-tailored Ge-free Yb/Ce codoped aluminosilicate fiber is fabricated by MCVD combined with solution doping technique. Through regulating the temperature in the tube and designing the solution doping process, the refractive index profile of this
Publikováno v:
Laser & Optoelectronics Progress. 56:170607