[推荐]光开关的应用
<span lang="EN-US" style="FONT-SIZE: 10.5pt; FONT-FAMILY: Times New Roman; mso-bidi-font-size: 12.0pt; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;"><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><b><span style="FONT-SIZE: 15pt; FONT-FAMILY: 宋体; mso-bidi-font-size: 12.0pt; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">应用及前景分析</span></b><b><span style="FONT-SIZE: 15pt; mso-bidi-font-size: 12.0pt;"></span></b><span lang="EN-US"><br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光开关在光网络中起到十分重要的作用，它不仅构成了波分复用光网络中关键设备（如</span><span lang="EN-US">OADM/OXC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">）的交换核心，本身也是光网络中的关键器件。其应用范围主要有：</span><span lang="EN-US">
<br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">保护倒换功能：光开关通常用于网络的故障恢复。当光纤断裂或其他传输故障发生时，利用光开关实现信号迂回路由，从主路由切换到备用路由上。这种保护通常只需要最简单的</span><span lang="EN-US">1×2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光开关。</span><span lang="EN-US">
<br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">网络监视功能：使用简单的</span><span lang="EN-US">1×N</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光开关可以将多纤联系起来。当需要监视网络时，只需在远端监测点将多纤经光开关连接到网络监视仪器上（如</span><span lang="EN-US">OTDR</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">），通过光开关的动作，可以实现网络在线监测。</span><span lang="EN-US">
<br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光器件的测试：可以将多个待测光器件通过光纤连接，通过</span><span lang="EN-US">1×N</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光开关，可以通过监测光开关的每个通道信号来测试器件。</span><span lang="EN-US">
<br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">构建</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">设备核心：</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">是光网络关键设备之一，通常用于城域网和骨干网。实现</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光信号上下路的具体方式很多，但大多数情况下都应用了光开关，主要是</span><span lang="EN-US">2×2</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">光开关，来实现对密集波分复用光网络中光信号的上下路功能。由于光开关的使用，使</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">能动态配置业务，增强了</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">节点的灵活性，同时，使得</span><span lang="EN-US">OADM</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">节点能支持保护倒换，当网络出现故障时，节点将故障业务切换到备用路由中，增强了网络的生存能力和网络的保护和恢复能力。</span><span lang="EN-US">
<br/></span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">构建</span><span lang="EN-US">OXC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">设备的交换核心：</span><span lang="EN-US">OXC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">主要应用于骨干网，对不同子网的业务进行汇聚和交换。因此，需要对不同端口的业务交换，同时，光开关的使用使</span><span lang="EN-US">OXC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">具有动态配置交换业务和支持保护倒换功能，在光层支持波长路由的配置和动态选路。由于</span><span lang="EN-US">OXC</span><span style="FONT-FAMILY: 宋体; mso-ascii-font-family: Times New Roman; mso-hansi-font-family: Times New Roman;">主要用于高速大容量密集波分复用光骨干网上，要求光开关具有透明性、高速、大容量和多粒度交换的特点</span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><shapetype id="_x0000_t75" stroked="f" filled="f" path="m@4@5l@4@11@9@11@9@5xe" opreferrelative="t" ospt="75" coordsize="21600,21600"><stroke joinstyle="miter"></stroke><formulas><f eqn="if lineDrawn pixelLineWidth 0"></f><f eqn="sum @0 1 0"></f><f eqn="sum 0 0 @1"></f><f eqn="prod @2 1 2"></f><f eqn="prod @3 21600 pixelWidth"></f><f eqn="prod @3 21600 pixelHeight"></f><f eqn="sum @0 0 1"></f><f eqn="prod @6 1 2"></f><f eqn="prod @7 21600 pixelWidth"></f><f eqn="sum @8 21600 0"></f><f eqn="prod @7 21600 pixelHeight"></f><f eqn="sum @10 21600 0"></f></formulas><path oconnecttype="rect" gradientshapeok="t" oextrusionok="f"></path><lock aspectratio="t" vext="edit"></lock></shapetype></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"><p></p></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span lang="EN-US"></span></p></shapetype></span> <p>这么好的功能器件，没有人问津，真是一大憾事~~~~~~~~~</p> <p>支持下楼主~````</p> <p>光开关由什么元件构成？液晶加偏振片？</p> <p>简单的光开关由继电器和准直器还有楼上兄台说的偏振片。</p> <p>做科研项目非常有用，而且路数多的更利于全光网络的研究。 如有需要请联系QQ：252379503</p> <p>第三百只1X4光开关测试报告已经出来，客户比较满意。</p><p>插损小于0.6</p><p>最低0.3</p><p>更好的应用到网络通讯中，订单已经签。</p> <p>顶上去</p> <p>谢谢，各位支持！ 继续顶起。</p> 几天没有来了，继续我的热情。 www.opco.com <p>谢谢支持！</p>
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