Phosphate glass brings together a long lifetime of Er3+ upper laser stage with economical Power transfer amongst Yb3+ and Er3+ ions and minimized upconversion losses, So supplying productive operation 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 present https://er-yb-yab-crystal65185.ltfblog.com/33723963/a-review-of-er-yb-yab-crystal