Phosphate glass combines a long lifetime of Er3+ upper laser stage with economical energy transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, Consequently furnishing economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We current https://yogiz579wvs9.blogs100.com/profile