Phosphate glass brings together a long life time of Er3+ upper laser level with economical Electrical power transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, Hence giving productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://heleni791ayv0.csublogs.com/profile