Phosphate glass brings together a long life time of Er3+ upper laser level with productive Power transfer amongst Yb3+ and Er3+ ions and minimized upconversion losses, thus supplying effective Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://cordellb848esv0.webbuzzfeed.com/profile