Phosphate glass brings together a long lifetime of Er3+ upper laser degree with successful Electrical power transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, Hence delivering 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 韩国  https://er-yb-yab-crystal49382.thenerdsblog.com/38871236/the-5-second-trick-for-er-yb-yab-crystal