Phosphate glass combines a long life time of Er3+ upper laser degree with productive Vitality transfer in between Yb3+ and Er3+ ions and reduced upconversion losses, thus giving successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://erybyabcrystal28406.full-design.com/er-yb-yab-crystal-an-overview-75503113