Phosphate glass combines a protracted life time of Er3+ upper laser stage with efficient Electrical power transfer in 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 Utilized in array-finders. language �?中国 韩国 韩国 韩国 韩国 https://paxtonhjigc.thezenweb.com/the-definitive-guide-to-er-yb-yab-crystal-71169589