Phosphate glass combines a lengthy lifetime of Er3+ higher laser level with economical energy transfer in between Yb3+ and Er3+ ions and lowered upconversion losses, As a result offering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers used in assortment-finders. language �?中国 韩国 韩国 韩国 韩国 韩国 https://geoffreym801avr8.gigswiki.com/user