Phosphate glass brings together a long life span of Er3+ upper laser amount with productive Electrical power transfer among Yb3+ and Er3+ ions and minimized upconversion losses, thus supplying productive Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://troyxhfcz.blogitright.com/33302011/er-yb-yab-crystal-an-overview