Phosphate glass brings together a protracted life span of Er3+ higher laser amount with efficient Power transfer involving Yb3+ and Er3+ ions and diminished upconversion losses, Therefore furnishing successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://sandraf713bxs9.wikicommunication.com/user