Phosphate glass combines a lengthy lifetime of Er3+ upper laser stage with efficient energy transfer in between Yb3+ and Er3+ ions and decreased upconversion losses, Consequently giving economical operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We report https://edgarcfeca.creacionblog.com/33000445/5-simple-statements-about-er-yb-yab-crystal-explained