[1] Yao B, Li L, Zheng L, et al. Diode-pumped continuous wave and Q-switched operation of a c-cut Tm,Ho:YAlO3 laser[J]. Optics Express, 2008, 16(7): 5075-5081.
[2] Sato A, Asai K, Mizutani K. Lasing characteristics and optimizations of a diode-side-pumped Tm, Ho:GdVO4 laser[J]. Optics Letters. 2004, 29(8): 836-838.
[3] Kushawaha V, Chen Y, Yan Y, et al. High-efficiency continuous-wave diode-pumped Tm: Ho: LuAG laser at 2.1 μm[J]. Applied Physics B, 1996, 62(1): 109-111.
[4] Ofelt G S. Intensities of crystal spectra of Rare-Earth ions[J]. Chem. Phys,1962, 37: 511-520.
[5] Judd B R. Optical absorption intensities of Rare-Earth Ions[J]. Physical Review, 1962, 127: 750-761.
[6] Payne S A, Chase L L, Smith L K, et al. Infrared cross-section measurements for crystals doped with Er3+, Tm3+, and Ho3+[J]. IEEE J. Quantum Electron, 1992, 28(11): 2619-2630.
