Phosphate glass brings together a long life span of Er3+ higher laser degree with effective Power transfer in between Yb3+ and Er3+ ions and reduced upconversion losses, So delivering productive 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  https://simonjoopq.blogdomago.com/33672926/details-fiction-and-er-yb-yab-crystal