Mengyu Zong, Zhen Zhang, Jingjing Liu, Jie Liu, Liangbi Su. LD pumped high-power mid-infrared solid state lasers based on 1.3at.%Er3+: CaF2 crystal (Invited)[J]. Infrared and Laser Engineering, 2021, 50(8): 20210336
- Infrared and Laser Engineering
- Vol. 50, Issue 8, 20210336 (2021)
Fig. 1. (a) Room temperature absorption coefficient and (b) fluorescence spectrum of 1.3at.% Er3+:CaF2
Fig. 2. Schematic and experiment set up of the laser
Fig. 3. (a) Output power pumped by 973 nm LD, (b) laser spectrum pumped by 973 nm LD. (c) Output power pumped by 1532 nm LD, (d) laser spectrum pumped by 1532 nm LD
Fig. 4. M2 values, insert: two-dimensional light intensity distribution
Fig. 5. Energy level diagram of Er3+ ion
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Table 1. Summary of near 3 μm CW laser performance of LD pumped Er-doped fluoride crystals
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