Phosphate glass combines a protracted life span of Er3+ upper laser degree with economical Vitality transfer concerning Yb3+ and Er3+ ions and decreased upconversion losses, Consequently supplying successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://erybyabcrystal60504.mpeblog.com/58123861/er-yb-yab-crystal-an-overview