Phosphate glass combines a protracted life span of Er3+ higher laser degree with successful Electricity transfer concerning Yb3+ and Er3+ ions and reduced upconversion losses, Therefore 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 current https://johnv470cfg5.luwebs.com/profile