Phosphate glass brings together a lengthy life span of Er3+ higher laser level with effective Vitality transfer involving Yb3+ and Er3+ ions and minimized upconversion losses, So providing effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://kennethg702fda3.blogvivi.com/profile