Phosphate glass brings together a protracted life span of Er3+ higher laser level with effective Electricity transfer concerning Yb3+ and Er3+ ions and decreased upconversion losses, Hence delivering economical 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://archertvtrn.blogtov.com/13761674/the-best-side-of-er-yb-yab-crystal