Phosphate glass brings together a lengthy life span of Er3+ upper laser degree with productive Electricity transfer among Yb3+ and Er3+ ions and reduced upconversion losses, Consequently supplying efficient Procedure 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 https://taylorz479xvt0.homewikia.com/user