Phosphate glass combines a protracted life span of Er3+ upper laser amount with efficient Electrical power transfer among Yb3+ and Er3+ ions and lowered upconversion losses, Consequently delivering successful operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://sybils147rqn8.wikiannouncing.com/user