Phosphate glass combines an extended life time of Er3+ upper laser stage with productive Electricity transfer amongst Yb3+ and Er3+ ions and reduced upconversion losses, Hence giving successful 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 present https://juliand691cay1.blogaritma.com/profile