Phosphate glass brings together a protracted life span of Er3+ upper laser level with economical Power transfer concerning Yb3+ and Er3+ ions and lessened upconversion losses, thus offering successful 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 https://er-yb-yab-crystal16049.blogocial.com/not-known-details-about-er-yb-yab-crystal-68963735