[8] Zhengdong Zeng, Hongyuan Shen, Miadiang Huang et al.. Measurement of the refractive index and thermal refractive index coefficients of Nd∶YAP crystal[J]. Appl. Opt., 1990, 29(9): 1281～1286

[9] Gorachand Ghosh. Sellmeier coefficients for the birefringence and refractive indices of ZnGeP2 nonlinear crystal at different temperatures[J]. Appl. Opt., 1998, 37(7): 1205～1212