Phosphate glass combines an extended life time of Er3+ higher laser amount with efficient Power transfer amongst Yb3+ and Er3+ ions and minimized upconversion losses, Hence supplying 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 report https://georgesl924ihe4.thechapblog.com/profile