Phosphate glass brings together a lengthy life span of Er3+ upper laser level with productive energy transfer concerning Yb3+ and Er3+ ions and lowered upconversion losses, thus providing economical operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://remingtonkligc.blogdosaga.com/33098293/5-simple-techniques-for-er-yb-yab-crystal