Phosphate glass brings together a lengthy lifetime of Er3+ upper laser level with effective Vitality transfer involving Yb3+ and Er3+ ions and lessened upconversion losses, So furnishing efficient operation in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 We report https://jackk924jhf4.wikisona.com/user