Phosphate glass combines a protracted life time of Er3+ higher laser stage with economical energy transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result giving economical Procedure 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 https://shirinq035lkh5.blog5star.com/profile