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光纤通信系统的适用领域可分为两大类:一类是以半导体激光器作光源的长距离大容量光通信系统;另一类是以光通信用发光二极管作光源的短距离光通信系统。 短距离光通信系统的应用范围有内部通信,计算机相互间通信、中央处理系统和传真等
The applicable field of optical fiber communication system can be divided into two categories: one is a long-distance large-capacity optical communication system using a semiconductor laser as a light source; the other is a short-distance optical communication system using a light-emitting diode for light communication as a light source. The application range of short-distance optical communication system includes internal communication, communication between computers, central processing system and facsimile