Phosphate glass brings together a protracted lifetime of Er3+ higher laser degree with effective Electricity transfer between Yb3+ and Er3+ ions and lessened upconversion losses, Therefore providing effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We present https://erybyabcrystal20742.onzeblog.com/34833440/er-yb-yab-crystal-an-overview