Phosphate glass brings together a long lifetime of Er3+ upper laser degree with productive Electricity transfer concerning Yb3+ and Er3+ ions and decreased upconversion losses, Hence delivering successful 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 current https://margareth702fed3.ja-blog.com/33203109/er-yb-yab-crystal-an-overview