The fight of eye-safe laser crystals, Yb:Er:glass and Tm:YAG, is not a lot of a fight as it is a complementary romance. Each crystals supply unique strengths, and their assortment will depend on the specified application.The struggle of eye-safe laser crystals, Yb:Er:glass and Tm:YAG, isn't a great deal a fight as It's really a complementary romant