Phosphate glass brings together a lengthy life span of Er3+ upper laser amount with productive Electrical power transfer involving Yb3+ and Er3+ ions and minimized upconversion losses, Consequently providing successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://damienlanak.thelateblog.com/35299968/er-yb-yab-crystal-for-dummies