Phosphate glass brings together a lengthy lifetime of Er3+ upper laser degree with efficient Strength transfer among Yb3+ and Er3+ ions and lowered upconversion losses, Therefore giving economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://andrejsves.spintheblog.com/33529715/er-yb-yab-crystal-can-be-fun-for-anyone