Phosphate glass combines a protracted life span of Er3+ higher laser level with effective Strength transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, Hence furnishing efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We current https://keeganplibu.blogspothub.com/32397070/what-does-er-yb-yab-crystal-mean