Phosphate glass brings together a lengthy life span of Er3+ upper laser level with effective Vitality transfer involving Yb3+ and Er3+ ions and minimized upconversion losses, So providing economical operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://trentonefdaw.oblogation.com/32415255/5-simple-statements-about-er-yb-yab-crystal-explained