Phosphate glass combines a protracted lifetime of Er3+ higher laser amount with economical Electrical power transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, So providing productive operation 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  We report https://erybyabcrystal58912.blogtov.com/15312224/the-basic-principles-of-er-yb-yab-crystal