5 ESSENTIAL ELEMENTS FOR LASER CRYSTAL

Seen strong-state lasers based on laser crystals are compact and lightweight. Lasers from deep purple to blue are already noted. Especially, there were many studies on Pr3+ doped laser crystals, and continuous wave lasers around 490 nm are attained. Ti∶sapphire is the key achieve crystal for ultrafast lasers. Superintense ultrafast lasers with pe