Phosphate glass brings together a long life time of Er3+ upper laser stage with economical energy transfer in between Yb3+ and Er3+ ions and decreased upconversion losses, Hence supplying effective Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://juliusdedbx.win-blog.com/13708197/examine-this-report-on-er-yb-yab-crystal