Phosphate glass combines a lengthy life span of Er3+ upper laser level with efficient Electrical power transfer in between Yb3+ and Er3+ ions and decreased upconversion losses, Therefore delivering efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://englanda580ayv1.ourcodeblog.com/profile