Phosphate glass brings together a long lifetime of Er3+ upper laser degree with productive Electricity transfer concerning Yb3+ and Er3+ ions and reduced upconversion losses, Therefore giving economical operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://erybyabcrystal07284.blogofoto.com/64470504/what-does-er-yb-yab-crystal-mean