Phosphate glass brings together a long lifetime of Er3+ upper laser level with effective energy transfer involving Yb3+ and Er3+ ions and reduced upconversion losses, Hence providing efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://erybyabcrystal06284.arwebo.com/55763967/getting-my-er-yb-yab-crystal-to-work