Phosphate glass combines an extended life time of Er3+ higher laser amount with economical Vitality transfer involving Yb3+ and Er3+ ions and decreased upconversion losses, As a result supplying successful 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  https://garrettxzyws.blogdiloz.com/32355128/the-definitive-guide-to-er-yb-yab-crystal