Phosphate glass brings together a long life span of Er3+ upper laser degree with economical Electricity transfer involving Yb3+ and Er3+ ions and decreased upconversion losses, thus supplying productive operation in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://pennp135ljh5.blogsvirals.com/profile