Phosphate glass brings together a long life time of Er3+ higher laser level with successful Electricity transfer among Yb3+ and Er3+ ions and reduced upconversion losses, As a result furnishing efficient Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in array-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://carlw358ttq9.blazingblog.com/profile