Phosphate glass brings together a protracted life span of Er3+ upper laser amount with economical Electricity transfer between Yb3+ and Er3+ ions and minimized upconversion losses, So delivering productive Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://richardd680azw1.smblogsites.com/profile