Phosphate glass brings together a long lifetime of Er3+ upper laser degree with successful Electrical power transfer in between Yb3+ and Er3+ ions and diminished upconversion losses, Consequently furnishing efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://erybyabcrystal86395.kylieblog.com/35350318/er-yb-yab-crystal-an-overview