Phosphate glass brings together a long lifetime of Er3+ upper laser level with productive Strength transfer concerning Yb3+ and Er3+ ions and reduced upconversion losses, Therefore supplying productive operation 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-crystal41739.free-blogz.com/80528798/er-yb-yab-crystal-options