Phosphate glass brings together a lengthy life span of Er3+ higher laser level with effective Strength transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, thus supplying productive Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in vary-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://ericv257rrn8.blogpayz.com/profile