Huang Wen-Fa, Li Xue-Chun, Wang Jiang-Feng, Lu Xing-Hua, Zhang Yu-Qi, Fan Wei, Lin Zun-Qi. Theoretical and experimental investigations on wavefront distortion and thermal-stress induced birefringence in a laser diode pumped helium gas-cooled multislab Nd:glass laser amplifierJ. Acta Physica Sinica, 2015, 64(8): 087801. DOI: 10.7498/aps.64.087801