Er: YAG wani nau'i ne mai kyau na 2.94 um Laser crystal, wanda aka yi amfani da shi sosai a tsarin likitancin Laser da sauran filayen.Er: YAG crystal Laser ne mafi muhimmanci abu na 3nm Laser, da gangara tare da high dace, na iya aiki a dakin zafin jiki Laser, Laser zangon ne a cikin ikon yinsa, na mutum ido aminci band, da dai sauransu 2.94 mm Er: YAG Laser yana da. An yi amfani da shi sosai a filin aikin likita, kyawun fata, maganin hakori.