A continous wave diode pumped RUBY LASER - YouTube
Making Electromagnetic Weapons: Flashlamp Lasers « Fear Of Lightning :: WonderHowTo
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
What is Ruby laser? - Quora
With this Ruby Laser, George Porter Sped Up Photochemistry - IEEE Spectrum