Phosphate glass combines a long lifetime of Er3+ upper laser stage with successful Vitality transfer among Yb3+ and Er3+ ions and minimized upconversion losses, Consequently providing effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report the https://garrettijifb.imblogs.net/82846667/a-secret-weapon-for-er-yb-yab-crystal