Phosphate glass combines an extended life time of Er3+ upper laser level with effective Electricity transfer among Yb3+ and Er3+ ions and diminished upconversion losses, Consequently providing economical operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We existing https://zanderkmscj.wssblogs.com/33107557/not-known-factual-statements-about-er-yb-yab-crystal