Phosphate glass brings together a lengthy life span of Er3+ upper laser stage with productive energy transfer concerning Yb3+ and Er3+ ions and lowered upconversion losses, Therefore delivering effective Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://erybyabcrystal18405.thekatyblog.com/31963292/the-smart-trick-of-er-yb-yab-crystal-that-no-one-is-discussing