Laser Energetics

Laser Type	Wavelength	Comment
Gas Lasers F2 Excimer ArF Excimer KrF Excimer	157 nm 193 nm 248 nm	Most common in systems
XeCl Excimer N2 XeF Excimer	308 nm 337 nm 351 nm	Most common in systems
Argon Ion Helium Neon Carbon Dioxide (CO2)	450–530 nm 543–633 nm 9000–11000 nm	Available in discrete colors, common in classrooms Work horse of welding industries
Liquid Lasers Organic Dye Lasers HF Chemical	~400–1300 nm 2600–3000 nm	Tunable, pumped with optical source (Excimer)
Solid State Lasers Alexandrite Nd:YAG GaAIAs family	190-215nm, 240-280nm, 360-430nm, 720-860nm 210nm, 266nm, 355nm, 532nm, 1064 nm 750 nm	Widest tuning range, solid state laser that frequency doubles into the UV Flash, arclamp–diode pumped Semiconductor laser