Phosphate glass brings together a protracted life time of Er3+ higher laser stage with successful Electricity transfer between Yb3+ and Er3+ ions and reduced upconversion losses, thus providing economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://erybyabcrystal85173.ltfblog.com/32117847/top-guidelines-of-er-yb-yab-crystal