目录
1. 概述 ...................................................................1
1.1 光纤通信介绍.......................................................1
1.1.1 光纤通信的概述 ...............................................1
1.1.2 光纤通信的原理 ...............................................1
1.1.3 光纤通信的发展 ...............................................1
1.1.4 光纤通信的应用 ...............................................2
1.2 光纤通信系统的组成.................................................2
1.2.1 光发射机 .....................................................3
1.2.2 光接收机 .....................................................5
1.2.3 光中继器 .....................................................5
1.2.4 光纤线路 .....................................................5
1.3 光纤传输特性.......................................................6
1.3.1 光纤损耗 .....................................................6
1.3.2 光纤色散 .....................................................6
2. 中继距离的影响因素 .....................................................7
2.1 中继距离的概念.....................................................7
2.2 衰减对中继距离的影响...............................................7
2.3 色散对中继距离的影响...............................................8
2.3.1 码间干扰 .....................................................9
2.3.2 模分配噪声 ..................................................10
2.3.3 啁啾噪声 ....................................................10
3. 中继距离的计算 ........................................................11
3.1 衰减限制..........................................................11
3.2 色散限制..........................................................12
3.2.1 多纵模激光器和发光二极管 ....................................12
3.2.2 单纵模激光器 ................................................13
3.2.3 实际可达中继距离 ............................................13
