Phosphate glass brings together a lengthy lifetime of Er3+ upper laser level with economical energy transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result giving successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://garrettyaayu.blogolize.com/er-yb-yab-crystal-an-overview-72325840