YAG Laser Crystal, Un-doped YAG Crystal (pure YAG)
Nd:YAG (Neodymium-doped yttrium aluminium garnet; Nd:Y3Al5O12)
Yb:YAG(Ytterbium-doped yttrium aluminium garnet;Yb:Y3Al5O12)
Cr4+:YAG(Chromium-doped yttrium aluminium garnet;Cr4+:Y3Al5O12)
ER:YAG(Erbium-doped yttrium aluminium garnet;Er:Y3Al5O12)