Phosphate glass combines a protracted life span of Er3+ upper laser level with economical Electrical power transfer amongst Yb3+ and Er3+ ions and reduced upconversion losses, As a result giving successful 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://sybilk914hgd3.snack-blog.com/profile