Phosphate glass brings together a protracted lifetime of Er3+ higher laser amount with productive Electrical power transfer among Yb3+ and Er3+ ions and lowered upconversion losses, So providing economical 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://crossi813hge4.creacionblog.com/profile