Phosphate glass brings together a long lifetime of Er3+ upper laser level with effective Vitality transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, thus providing efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers used in variety-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We existing https://andersondatme.blogrelation.com/39461260/5-tips-about-er-yb-yab-crystal-you-can-use-today