Phosphate glass brings together a long life time of Er3+ higher laser stage with successful energy transfer between Yb3+ and Er3+ ions and decreased upconversion losses, Hence offering effective operation 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-crystal62940.iyublog.com/32417828/details-fiction-and-er-yb-yab-crystal