QUAN Cong1, 2, SUN Dun-lu1*, LUO Jian-qiao1, ZHANG Hui-li1,3, FANG Zhong-qing1, 2, ZHAO Xu-yao1, 2, HU Lun-zhen1, 2, HAN Zhi-yuan1, 2, CHENG Mao-jie1,YIN Shao-tang1
Investigation on the Multiwavelength Laser Operation and Polarization Characteristics of Er∶YAP Crystal