Phosphate glass combines an extended lifetime of Er3+ upper laser amount with economical Strength transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, thus giving successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report the https://rufusn380yxu0.wizzardsblog.com/profile