Phosphate glass brings together a long lifetime of Er3+ higher laser stage with productive Electrical power transfer in between Yb3+ and Er3+ ions and minimized upconversion losses, Therefore supplying productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://arthurtvtrj.blogzet.com/a-secret-weapon-for-er-yb-yab-crystal-47905132