Phosphate glass brings together a long lifetime of Er3+ upper laser stage with productive Electricity transfer involving Yb3+ and Er3+ ions and decreased upconversion losses, thus offering efficient Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We present https://edwingghgc.bloguetechno.com/a-review-of-er-yb-yab-crystal-68240016