Phosphate glass combines a protracted life span of Er3+ upper laser stage with effective Electrical power transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result furnishing economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in vary-finders. language �?中国 韩国 韩国 韩国 韩国 https://er-yb-yab-crystal86317.dailyblogzz.com/33680205/getting-my-er-yb-yab-crystal-to-work