Phosphate glass brings together a lengthy life time of Er3+ upper laser level with effective Power transfer between Yb3+ and Er3+ ions and decreased upconversion losses, So giving economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We https://freemanz479xws9.onzeblog.com/profile