... ://www.meta-laser.com,Tm,Ho: YAGlaser crystalsCr,Tm,Ho: YAG(Chromium, Thulium, Holmiun doped Yttrium Aluminum Garnet, CTH:YAG)is fine ... crystal with launching 2.1 um wavelength laser, which is widely used in ... ,it is suitable for repetition frequency work; Can be used laser diode pump;Laser wavelengths for the human eye is relatively safe.Features:Operates ...