Phosphate glass combines a lengthy life time of Er3+ higher laser stage with successful Power transfer among Yb3+ and Er3+ ions and lowered upconversion losses, Hence supplying effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We report https://annb580zzw1.therainblog.com/profile