资料编码产品名称使用对象产品版本编写部门资料版本WDM原理专题-B拟制：日期：审核：日期：审核：日期：批准：日期：华为技术有限公司版权所有侵权必究修订记录日期修订版本作者描述目录1内容说明...............................................................................................................................61.1内容介绍............................................................................................................................61.2内容结构............................................................................................................................62波分复用技术概述.................................................................................................................72.1波分复用光传输技术..........................................................................................................72.1.1波分复用的基本概念.................................................................................................72.1.2WDM技术的发展背景..............................................................................................82.2DWDM原理概述................................................................................................................92.3WDM设备的传输方式......................................................................................................112.3.1单向WDM..................................................................................................................112.3.2双向WDM..................................................................................................................112.4开放式与集成式系统........................................................................................................122.5WDM系统组成................................................................................................................122.6WDM的优势....................................................................................................................132.7CWDM简介.....................................................................................................................142.8思考题..............................................................................................................................153WDM传输媒质....................................................................................................................153.1光纤的结构.......................................................................................................................153.2光纤的模式.......................................................................................................................173.2.1传播模式概念.........................................................................................................173.2.2多模光纤................................................................................................................183.2.3单模光纤................................................................................................................183.3模场直径和有效面积........................................................................................................193.4光纤的种类.......................................................................................................................203.5光纤的基本特性........................................
