Phosphate glass combines a protracted life span of Er3+ upper laser amount with effective energy transfer involving Yb3+ and Er3+ ions and decreased upconversion losses, So offering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://jasperutuwg.blogsuperapp.com/33690470/details-fiction-and-er-yb-yab-crystal