Phosphate glass combines a protracted life span of Er3+ higher laser stage with successful Electrical power transfer between Yb3+ and Er3+ ions and decreased upconversion losses, Hence delivering productive operation 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 https://er-yb-yab-crystal76306.pointblog.net/the-5-second-trick-for-er-yb-yab-crystal-79200086