Phosphate glass combines an extended life time of Er3+ higher laser stage with successful energy transfer among Yb3+ and Er3+ ions and lessened upconversion losses, As a result providing efficient Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://erybyabcrystal85048.bcbloggers.com/33913054/5-simple-techniques-for-er-yb-yab-crystal