Phosphate glass combines an extended life time of Er3+ upper laser stage with successful Electrical power transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result giving economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in variety-finders. language �?中国 韩国 韩国 韩国 韩国 https://er-yb-yab-crystal52962.ssnblog.com/32277418/er-yb-yab-crystal-an-overview