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标题: WDM原理 [查看完整版帖子] [打印本页]

时间: 2016-9-28 09:54

作者: wsmgr 标题: WDM原理

第 1 章波分复用技术概述.............................................................................................................3
1.1 波分复用光传输技术..............................................................................................................3
1.1.1 波分复用的基本概念....................................................................................................3
1.1.2 WDM 技术的发展背景.................................................................................................4
1.2 DWDM 原理概述....................................................................................................................5
1.3 WDM 设备的传输方式............................................................................................................7
1.3.1 单向WDM ......................................................................................................................7
1.3.2 双向WDM ......................................................................................................................7
1.4 开放式与集成式系统..............................................................................................................8
1.5 WDM 系统组成.......................................................................................................................8
1.6 WDM 的优势..........................................................................................................................9
1.7 CWDM 简介.........................................................................................................................10
思考题 .......................................................................................................................................11
第 2 章 WDM传输媒质...............................................................................................................12
2.1 光纤的结构...........................................................................................................................12
2.2 光纤的种类...........................................................................................................................13
2.3 光纤的基本特性....................................................................................................................14
2.3.1 几何尺寸模场直径..............................................................................................14
2.3.2 衰减常数....................................................................................................................15
2.3.3 色散系数....................................................................................................................15
思考题 .......................................................................................................................................16
第 3 章 DWDM 关键技术.............................................................................................................17
3.1 光源....................................................................................................................................17
3.1.1 激光器的调制方式.....................................................................................................18
3.1.2 激光器的波长的稳定..................................................................................................20
3.2 光电检测器..........................................................................................................................22
3.2.1 PIN 光电二极管.........................................................................................................22
3.2.2 雪崩光电二极管APD ..........................................................................................22
3.3 光放大器...............................................................................................................................23
3.3.1 光放大器概述.............................................................................................................23
3.3.2 掺铒光纤EDF .....................................................................................................24
3.3.3 EDFA 增益平坦控制..................................................................................................25

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https://www.txrjy.com/forum.php?mod=attachment&aid=Mjk5Mjc3fDZjNGY0YWY4fDE3MzIzODk4ODh8MHww

时间: 2021-10-8 00:08

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