Phosphate glass combines a lengthy life time of Er3+ upper laser degree with effective Vitality transfer amongst Yb3+ and Er3+ ions and diminished upconversion losses, As a result supplying effective Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://erybyabcrystal18395.collectblogs.com/78178878/5-essential-elements-for-er-yb-yab-crystal