Phosphate glass combines an extended lifetime of Er3+ upper laser stage with economical energy transfer among Yb3+ and Er3+ ions and diminished upconversion losses, So providing effective 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 current our https://devinzysng.worldblogged.com/40887289/the-best-side-of-er-yb-yab-crystal