Phosphate glass combines a protracted life span of Er3+ higher laser level with effective Strength transfer concerning Yb3+ and Er3+ ions and reduced upconversion losses, Hence delivering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We current https://anatolee567ojc3.thelateblog.com/profile