Phosphate glass brings together an extended life span of Er3+ higher laser stage with productive Electricity transfer between Yb3+ and Er3+ ions and decreased upconversion losses, As a result giving economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://zionhjifd.blog2news.com/33919415/er-yb-yab-crystal-an-overview