TY - Chin. Phys. Lett. A1 - S. K. M. Al-Hayali, S. Selleri, A. H. Al-Janabi T1 - Dual-Wavelength Passively Q-Switched Ytterbium-Doped Fiber Laser Based on Aluminum Oxide Nanoparticle Saturable Absorbers Y1 - JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 114201EP - VL - 34 IS - 11 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/34/11/114201 ER -