Phosphate glass combines a long life time of Er3+ upper laser level with effective Vitality transfer amongst Yb3+ and Er3+ ions and minimized upconversion losses, So 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 existing https://leonardm924lkh5.blogscribble.com/profile