Phosphate glass brings together a protracted life span of Er3+ upper laser stage with productive Electricity transfer concerning Yb3+ and Er3+ ions and lessened upconversion losses, thus providing efficient Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://lordb579xvs0.verybigblog.com/profile