Phosphate glass combines a long life span of Er3+ higher laser amount with successful Strength transfer concerning Yb3+ and Er3+ ions and lessened upconversion losses, As a result delivering effective 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 https://jinnahd691cay1.wikitidings.com/user