Phosphate glass brings together a lengthy lifetime of Er3+ upper laser level with efficient Vitality transfer among Yb3+ and Er3+ ions and diminished 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 report https://dantectiuh.is-blog.com/41351688/little-known-facts-about-er-yb-yab-crystal