[1] C. G. Bethea. Megawatt power at 1.318 μm in Nd3+:YAG and simultaneous oscillation at both 1.06 μm and 1.318 μm. IEEE J. Quantum Electron., 1973,QE-9(2):254
[2] W. Volmar, M. G. Knights et al.. Conference on Laser and Electro-optics. Digest of Technical Papers, 1983. 188
[4] Shen Hongyuan, Zhou Yuping Zhou, Lin Wenxiong et al.. 0.5981 μm sum frequency mixing in KTP crystal. Chinese Physics Letter, 1991,8(4):215~217