LASER CRYSTAL CAN BE FUN FOR ANYONE

Seen sound-state lasers according to laser crystals are compact and lightweight. Lasers from deep purple to blue have already been reported. Particularly, there were a lot of stories on Pr3+ doped laser crystals, and continuous wave lasers all-around 490 nm are realized. Ti∶sapphire is the leading attain crystal for ultrafast lasers. Superintense