Phosphate glass combines an extended life time of Er3+ upper laser stage with economical energy transfer in between Yb3+ and Er3+ ions and diminished upconversion losses, Consequently furnishing efficient 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 https://judyv357tql7.wikilima.com/user