TOP LATEST FIVE ER:YB:YAB CRYSTAL URBAN NEWS

Phosphate glass brings together a long lifetime of Er3+ upper laser degree with successful energy transfer in between Yb3+ and Er3+ ions and decreased upconversion losses, So offering successful Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Employed in vary-finders.language �?中国 韩国 韩国 韩国 韩国 韩国