Phosphate glass brings together a lengthy life time of Er3+ higher laser amount with efficient Power transfer in between Yb3+ and Er3+ ions and reduced upconversion losses, Therefore offering effective operation in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  https://douglasd691dbz2.ourabilitywiki.com/user