This type of laser already exists, they're called solid state lasers. [1]. (Note that these lasers are distinct from semiconductor lasers, which are more collo

This type of laser already exists, they're called solid state lasers. [1]. (Note that these lasers are distinct from semiconductor lasers, which are more colloquially called "diode lasers".) EDIT: Q-switched laser may be closer to this. [2] 1: https://en.wikipedia.org/wiki/Solid-state_laser https://en.wikipedia.org/wiki/Solid-state_laser 2: https://en.wikipedia.org/wiki/Q-switching https://en.wikipedia.org/wiki/Q-switching