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 efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://anthonyv368vvs0.bloguerosa.com/profile