All-fiber linearly polarized laser oscillator by fiber coiling loss control
Huang Yu-Sheng, Xiao Qi-Rong, Li Dan, Wang Ze-Hui, Wang Xue-Jiao, Yan Ping, Gong Ma-Li
       

(color online) Schematic diagram of the experimental setup of the linearly polarized fiber laser. 1: 975-nm wavelength-stabilized LD; 2: HR FBG; 3: 10/125- μ m PM Yb-doped fiber; 4: OC FBG; 5: CLS; 6: end cap.