Phosphate glass brings together a protracted life span of Er3+ upper laser degree with successful Electrical power transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result furnishing 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 https://gunnerklhav.tribunablog.com/er-yb-yab-crystal-an-overview-47417372