Carbon dioxide lasers 1 Chemical lasers 1 Dye lasers 1 Excimer lasers 1 Far infrared lasers 1 Free electron lasers 1 Gas lasers 1 more ... Gases, Rare 1 Helium-neon lasers 1 History Lasers 1 Light amplifiers 1 Metal vapor lenses 1 Neodymium glass lasers 1 Nitrogen lasers 1 Optics 1 Ruby lasers 1 Semiconductor lasers 1 Solid-state lasers 1 Tunable lasers 1 X-ray lasers 1 less ...