Phosphate glass brings together an extended life time of Er3+ higher laser level with productive Electricity transfer among Yb3+ and Er3+ ions and lowered upconversion losses, Hence providing successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://er-yb-yab-crystal52839.bloggosite.com/39980558/little-known-facts-about-er-yb-yab-crystal