A continous wave diode pumped RUBY LASER - YouTube
Laser and ruby rod. Experiment with a green laser beam being used to induce red luminescence in a rod of artificial ruby. Synthetic ruby is used to make ruby lasers, where green
Making Electromagnetic Weapons: Flashlamp Lasers « Fear Of Lightning :: WonderHowTo
6J ruby laser - YouTube
Ruby laser - Wikipedia
Continuos wave diode pumped ruby laser — Sci-Projects: Science and engineering at home!