Ruicong Wang, Zhi Zhang, Changjun Xu, Shunbin Wang, Shijie Jia, Pengfei Wang. Recent research advances of mid-infrared fluoroindate glass and fiber lasers (invited)[J]. Infrared and Laser Engineering, 2023, 52(5): 20230149
- Infrared and Laser Engineering
- Vol. 52, Issue 5, 20230149 (2023)
![Structure of (a) GaF3-based and (b) InF3-based glasses[27]](/richHtml/irla/2023/52/5/20230149/img_1.jpg)
Fig. 1. Structure of (a) GaF3-based and (b) InF3-based glasses[27]
![(a) Raman spectroscopy under different temperatures, the insets in the figure are the [InF6]3− vibration units; (b) The ratio of integral areas of δFnb and SSFnb[30]](/richHtml/irla/2023/52/5/20230149/img_2.jpg)
Fig. 2. (a) Raman spectroscopy under different temperatures, the insets in the figure are the [InF6]3− vibration units; (b) The ratio of integral areas of δ Fnb and SSFnb[30]
Fig. 3. (a) DSC and (b) refractive index dispersion of fluoroindate glasses
Fig. 4. (a) Simplified energy level diagram of Dy3+ ions and (b) experimental schematic of fiber laser[40]
Fig. 5. (a) Diagram of the ~2.9 μm fiber laser setup and (b) diagram of pump power as a function of output power
Fig. 6. (a) Energy level diagram of the Ho3+: InF3 system with relevant physical processes; (b) Experimental setup of the room-temperature fiber laser at 3.92 μm[45]
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