SCMP: Chinese researchers have manufactured the world’s largest barium gallium selenide (BGSe) crystal, a breakthrough that could pave the way for ultra-high-power laser weapons capable of zapping satellites from the ground. 南華早報：中國研究人員製造出了世界上最大的硒化鋇鎵晶體，這項突破可能為能夠從地面攻擊衛星的超高功率雷射武器鋪平道路.
https://www.scmp.com/news/china/science/article/3319446/china-unveils-largest-crystal-high-powered-laser-weapons?