•Types of Lasers:
• 1) Solid State Lasers
• a) Ruby laser – Al2O3 + Cr(III) - 694.3 nm pumped with
Xe arc flashlamp – pulsed (can be continuous)
• b) Nd/YAG laser – yittrium aluminum garnet
+ Nd - 1064 nm
• 2) Gas Lasers
• a) Neutral atom – He-Ne – 632.8 nm continuous
• b) Ion lasers – Ar+ or Kr+ 514.5 nm