发射端将电信号(以电压、电流、电磁波为载体的信号)转换成光信号(在光缆或光束中传输信号)。按照光纤传输,接收端将光信号转换为电子信号。因此,光模块也称为光接收和接收一体化模块。
光模块虽说体积较小,结构也非常简单,但是对技术标准却非常高。伴随着近些年互联网流量的加快上升,光模块市场需求一直都在大幅度增加。
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