Phosphate glass combines an extended life time of Er3+ higher laser stage with productive Vitality transfer concerning Yb3+ and Er3+ ions and diminished upconversion losses, Therefore giving successful 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  We report https://erybyabcrystal85162.idblogz.com/33687649/what-does-er-yb-yab-crystal-mean