Phosphate glass brings together a protracted lifetime of Er3+ higher laser degree with economical Electricity transfer between Yb3+ and Er3+ ions and decreased upconversion losses, So supplying productive Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://mattc603hgf5.blogdosaga.com/profile