Phosphate glass combines a long life time of Er3+ higher laser level with successful Vitality transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, thus supplying successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://augustmopla.bloguetechno.com/er-yb-yab-crystal-options-69907041