Phosphate glass brings together an extended lifetime of Er3+ upper laser amount with effective Strength transfer involving Yb3+ and Er3+ ions and diminished upconversion losses, thus providing effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We current https://erybyabcrystal29506.eedblog.com/33243989/top-guidelines-of-er-yb-yab-crystal