1. WU Yonghong, SHAO Changjiang, QU wenjun, ZHOU Wei and CAI Haiwen, Journal of Optoelectronics · Laser 21, 481 (2010). (in Chinese)
2. XIE Jianfeng, ZHANG Hua and SONG Lufa, Piezoelectrics and Acoustooptics 29, 261 (2007). (in Chinese)
3. WANG Yanlei, ZHOU Zhi, HAO Qingduo and OU Jinping, Journal of Optoelectronics · Laser 18, 900 (2007). (in Chinese)
4. Kalamkarov AL, Liu HQ and MacDonald DO, Comp. Part B 29B, 21 (1998).
5. JIA Zhen-an, QIAO Xue-guang and FU Hai-wei, Journal of Optoelectronics · Laser 14, 453 (2003). (in Chinese)