Phosphate glass brings together a lengthy life time of Er3+ upper laser amount with effective Vitality transfer concerning Yb3+ and Er3+ ions and lessened upconversion losses, So giving economical operation 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  We https://erybyabcrystal84061.bluxeblog.com/65160141/a-review-of-er-yb-yab-crystal