Phosphate glass brings together a lengthy life span of Er3+ upper laser amount with successful Electricity transfer involving Yb3+ and Er3+ ions and diminished upconversion losses, Consequently furnishing efficient 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 https://fidelf691bby1.sharebyblog.com/profile