Phosphate glass combines an extended life span of Er3+ higher laser stage with productive Strength transfer in between Yb3+ and Er3+ ions and lessened upconversion losses, So giving productive 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 https://kameronbccax.blogocial.com/er-yb-yab-crystal-can-be-fun-for-anyone-68898143