Phosphate glass combines an extended life time of Er3+ upper laser stage with economical energy transfer among Yb3+ and Er3+ ions and diminished upconversion losses, Hence delivering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in range-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We present https://juliusehfdy.blogdon.net/a-review-of-er-yb-yab-crystal-49400078