Phosphate glass combines a protracted life time of Er3+ higher laser degree with successful Electrical power transfer between Yb3+ and Er3+ ions and decreased upconversion losses, As a result giving economical Procedure 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 https://cristianjkkie.articlesblogger.com/55862418/considerations-to-know-about-er-yb-yab-crystal