Phosphate glass brings together a long life time of Er3+ higher laser stage with efficient Vitality transfer involving Yb3+ and Er3+ ions and reduced upconversion losses, Therefore offering productive Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://gunneregfcx.blogofoto.com/64423031/details-fiction-and-er-yb-yab-crystal