Phosphate glass combines an extended life time of Er3+ upper laser stage with economical energy transfer among Yb3+ and Er3+ ions and diminished upconversion losses, Consequently furnishing efficient operation 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 present https://erybyabcrystal97317.is-blog.com/39599999/5-simple-statements-about-er-yb-yab-crystal-explained