Passively Q⁃switched sub⁃nanosecond laser based on YAG/Nd: YAG/Cr4+: YAG composite crystal

TANG Jingling , QI Yue , BAI Zhenxu , QI Yaoyao , DING Jie , YAN Bingzheng , WANG Yulei , LYU Zhiwei ,

Chinese Journal of Quantum Electronics . 2023, (4): 483 -491 . DOI: 10.3969/j.issn.1007-5461.2023.04.007