Phosphate glass combines an extended life time of Er3+ higher laser amount with efficient energy transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result 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 https://erybyabcrystal96284.free-blogz.com/80402183/5-simple-techniques-for-er-yb-yab-crystal