Phosphate glass brings together an extended life time of Er3+ higher laser level with successful Electricity transfer among Yb3+ and Er3+ ions and minimized upconversion losses, thus offering productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://coletteh791bzw1.get-blogging.com/profile