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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <h1> 特�?/h1><ul><li> 偏振控制的确定�?/li><li> 机械和热稳定�?/li><li> 360��旋转，精密的偏振控制</li><li> 支持FC/PC和FC/APC连接�?/li></ul></p><p><p> Thorlabs的能让你做到将任意偏振态的输入转化为任意偏振态的输出。控制器使用了单轴FiberBench，它的两个FiberPorts安装在HCA3<span>壁装插座板上。使用安装在两个FiberPorts之间�?/4波片-1/2波片-1/4波片（按照这个顺序）可以使得输入偏振态变为确定已知的输出偏振态。每个片提供360��精确连续的旋�?/span>、�/p><h1> 优于传统的光纤浆状控制器</h1><p> FiberBench控制器有与传统的光纤浆状控制器相同的功能，但是它的偏振操控更确定更稳定。没有旋光仪的话，浆状控制器的SOP不能直接确定。由于它没有滞后，如果只有SOP的话有可能在任何时刻预测控制器的输出偏振态（SOP）。不同于传统的光纤浆状控制器，这个控制器能与偏振保持光纤或者单模光纤配合使用，并且不需要拼接。此外，它还得益于FiberBench系列先进的设计，及其高的热稳定性和机械稳定性�?60��连续旋转和精确控制的波片使得用户在使用时能够有比桨状控制器更多的可控性和更稳定的平台、�/p></p><p><strong>可变偏振分束器套仵�/strong></p><p><h1> 特�?/h1><ul><li> 功率由光纤限制至10�?连续光，典型�?</li><li> 机械和热稳定性好</li><li> 连续可调的分束比</li><li> 可用作可变的1 x 2耦合�?/li><li> 可兼容FC/PC和FC/APC</li></ul></p><p><p> 偏振器P分量的平均透过玆�96%(表面反射<1.5%)，S分量的平均反射率>98%，因此有极好的消光比。更多信息请查看<em>曲线</em>标签。透过的P分量和反射的S分量的消光比>1000:1。分光比�?�?0dB连续可调，取决于输入保偏光纤的偏振消光比�?#916;�� � 3纳米时的光谱线宽、�/p></p><p><div><div align="center"><div><div></p><p> 点击放大</div><div></div></div></div></div> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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