Phosphate glass combines a long life span of Er3+ upper laser level with productive Strength transfer concerning Yb3+ and Er3+ ions and reduced upconversion losses, Therefore offering productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We existing https://andersonhjigc.pointblog.net/the-best-side-of-er-yb-yab-crystal-76271038