Phosphate glass combines a protracted lifetime of Er3+ higher laser level with efficient energy transfer concerning Yb3+ and Er3+ ions and minimized upconversion losses, Consequently giving productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report the https://erybyabcrystal74061.blogerus.com/55537544/er-yb-yab-crystal-an-overview