论文部分内容阅读
光纤通信的第一个特徽是不受电磁感应的影响。因为光纤即使靠近电力电缆也可进行通信,完全不会受电力电缆的电磁感应。为此,电力公司很早就对光纤通信予以注意。不用说在电力电缆附近进行通信,因为光纤细,还可将其容纳在电力电缆中,而成为一种光、电复合电缆。例如,在隔海的工厂之间,既要敷设输送电力的电力电缆,也要敷设通信用的电缆。为此,研制了光、电复合海底电缆。该复合电缆是把4芯光纤容纳在3根电力线绞合成的间
The first special feature of optical fiber communication is not affected by electromagnetic induction. Because the fiber can communicate even close to the power cable, it is completely immune to the electromagnetic induction of the power cable. To this end, power companies have long been paid attention to optical fiber communications. Needless to say, communication is carried out in the vicinity of a power cable because it is thin and can be accommodated in a power cable as an optical and electric composite cable. For example, between factories across the sea, it is necessary to lay down power cables for power transmission and cable for communications. To this end, developed a light, electric composite submarine cable. The composite cable is a 4-core fiber optic cable housed between the three power lines stranded