THE BEST SIDE OF YB:GLASS & ER

铒玻璃与钴尖晶石键合晶体中的铒离子提供红外波段的高效激光发射，而钴尖晶石作为调 Q 材料，能产生高功率脉冲输出These personalized problems come to a head when Abby's brother reappears the identical day Carter's grandmother dies. Carter is damaged by his grief, but Abby feels it is actually her duty to