Phosphate glass brings together an extended life span of Er3+ upper laser amount with successful Power transfer between Yb3+ and Er3+ ions and lessened upconversion losses, thus providing 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  We https://gregorywxvtz.blogdon.net/5-simple-statements-about-er-yb-yab-crystal-explained-49353398