Phosphate glass combines a protracted life span of Er3+ upper laser amount with effective Vitality transfer amongst Yb3+ and Er3+ ions and diminished upconversion losses, So delivering effective Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://andresoweln.dbblog.net/6434798/little-known-facts-about-er-yb-yab-crystal