The powerful Chinese megawatt laser ‘small enough for a satellite’

https://www.scmp.com/news/china/science/article/3162566/chinese-megawatt-laser-powerful-small-enough-be-used-satellite

"1.5kg pulse device is possible because of breakthroughs allowing critical components in solid state lasers to be much smaller... device is not a weapon – but a larger version in future could be... applications, including identifying a target, tracking, imaging and high-speed communication... can generate a powerful 1 megawatt laser light and can fire 100 shots per second for nearly half an hour without overheating"