Phosphate glass brings together a lengthy life span of Er3+ higher laser amount with efficient Power transfer among Yb3+ and Er3+ ions and minimized 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 https://willr012ysm6.wikibuysell.com/user