A study team has grown an Er3+-doped lutetium scandium gallium garnet crystal with high doping concentration. And this was the first time to grow that kind of crystal by Czochralski method. The team also announced they have achieved 2.79 μm laser with high peak power and high beam quality.
Click here for original story, Scientists grow novel Er3+ doped LuSGG mid-infrared laser crystal
Source: Phys.org