Phosphate glass brings together a long lifetime of Er3+ upper laser degree with productive Strength transfer concerning Yb3+ and Er3+ ions and decreased upconversion losses, Hence offering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://er-yb-yab-crystal40628.bloggip.com/33203093/er-yb-yab-crystal-an-overview