Phosphate glass combines a long life span of Er3+ higher laser level with economical Electrical power transfer in between Yb3+ and Er3+ ions and minimized upconversion losses, Hence delivering productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://rowanopmgx.kylieblog.com/33712797/what-does-er-yb-yab-crystal-mean