Phosphate glass brings together a long life time of Er3+ upper laser degree with effective Strength transfer concerning Yb3+ and Er3+ ions and decreased upconversion losses, Therefore giving efficient Procedure 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://edwinjopqq.targetblogs.com/35253302/getting-my-er-yb-yab-crystal-to-work