Phosphate glass combines a long lifetime of Er3+ higher laser amount with successful Electrical power transfer among Yb3+ and Er3+ ions and lowered 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 韩国  https://gregoryjymzk.wssblogs.com/34736945/er-yb-yab-crystal-an-overview