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<h1><strong><strong><strong>迈克尔逊型干涉�?/strong></strong></strong></h1><table align="center" cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td align="left"><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr><td colspan="2"></td></tr><tr><td></td></tr></tbody></table></td></tr></tbody></table></p><p><strong>特�?/strong><ul><li> 偏振相关耦合比（PDCR）的波动*導�/li><li> 带有源混叠的集成平衡型信号探浊�/li><li> 指示光束输入�?60纳米）以辅助对准</li><li> 包含干涉仪电溏�/li></ul><p> 迈克尔逊型<span>INT-MST-1300B</span>干涉仪组件设计用于波长范围在<span>1250</span>�?span>1350</span>纳米内，带有平衡探测装置的光学相干层析成像系统中。为了使用更快的扫描激光器，集成探测器的带宽已经增大到高达<span>100</span>MHz。该模块包括用于迈克尔逊干涉仪的光纤耦合网络，输出为参考臂和样品臂、�/p><p> 内部所用的耦合器已经进行优化，具有平坦的波长响应和非常低的偏振相关耦合损耗。光纤的长度是与干涉仪的两臂均匹配，误差�?span>0.2</span>毫米以内，同时为了提高系统的坚固性和易用性，还配月�span>FC/APC</span>带角度的光纤适配器。为了抑制数字条纹信号中降低成像质量的混频的产生，集成的高增益的平衡型探测器（带�?00MHz）包含了一个有源的混叠滤波器、�/p><p> 为了支持尅�span>INT-MST-1300B</span>对准到光学系统中，在组件中包含了一�?span>660</span>纳米指示激光器的附加输入，和一个专门设计的组合了扫描激光光源（<span>1300</span>纳米）和准直激光器＇�span>660</span>纳米）的<span>WDM</span>耦合器、�/p></p><p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><thead><tr><th align="left"><strong>Item #</strong></th><th align="center"><strong>INT-MSI-1300B</strong></th></tr></thead><tbody><tr><td align="left" colspan="2"><strong>Optical</strong></td></tr><tr><td align="left"><strong>Interferometer Wavelength Range</strong></td><td align="center"> 1250 - 1350 nm</td></tr><tr><td align="left"><strong>Fiber Type</strong></td><td align="center"> SMF-28e+</td></tr><tr><td align="left"><strong>Input/Output Port</strong></td><td align="center"> FC/APC</td></tr><tr><td align="left"><strong>Insertion Loss*</p><p> from 1300 nm IN to Sample Arm</p><p> and to Reference Arm</strong></td><td align="center"></td></tr><tr><td align="left"><strong>Insertion Loss*</p><p> from 660 nm IN to Probe</strong></td><td align="center"> 4.5 dB Max</td></tr><tr><td align="left"><strong>Path Length Difference</strong></td><td align="center"> 0.2 mm Max</td></tr><tr><td align="left" colspan="2"><strong>Electrical</strong></td></tr><tr><td align="left"><strong>Detector Material/Type</strong></td><td align="center"> InGaAs/PIN</td></tr><tr><td align="left"><strong>Typical Responsivity Max</strong></td><td align="center"> 1.0 A/W</td></tr><tr><td align="left"><strong>Output Bandwidth (3 dB)</strong></td><td align="center"> DC - 100 MHz</td></tr><tr><td align="left"><strong>Transimpedance Gain</strong></td><td align="center"> 100 kV/A</td></tr><tr><td align="left"><strong>Saturation Power**</strong></td><td align="center"> 35 ?W</td></tr><tr><td align="left"><strong>Maximum Input Power**</strong></td><td align="center"> 250 mW</td></tr><tr><td align="left"><strong>Electrical Output</strong></td><td align="center"> SMA</td></tr><tr><td align="left"><strong>DC Offset</strong></td><td align="center"></td></tr><tr><td align="left"><strong>Power Supply</strong></td><td align="center"> ��12 V� 200 mA</p><p> (PICO M8 con.)</td></tr><tr><td align="left" colspan="2"><strong>General </strong></td></tr><tr><td align="left"><strong>Size</strong></td><td align="center"> 4.72" x 3.15" x 0.827"</p><p> (120 mm x 80 mm x 21 mm)</td></tr></tbody></table><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td><p> * 包括输入和输出尾纤的接头损耗，在中心波长处测量、�/p><p> ** 使用高阻抗负载，半值为50欧的阻抗，来测量相对输出功率皃�span>跨阻抖�/span>增益、�/p></td></tr></tbody></table><p> 国�span>1</span>显示了在时域OCT系统中的<span>INT-MSI-1300B</span>的示例装置。中心波长为<span>1300</span>纳米的输入宽带光源，通过一个环形器和宽�?span>50/50</span>熔融耦合器。来自干涉仪样品臂和参考臂的背反射光在<span>50/50</span>熔融耦合器中合束，产生干涉条纹，经过环形器和<span>WDM</span>耦合器后输入到平衡探测器。平衡探测器的输出信号被数据采集装置获取，经过处理后得到重建的OCT图像。图<span>2</span>描述了通过将参考臂的移动反射镜替换为固定式反射镜，<span>IN-MSI-1300B如何</span>集成到频域OCT系统中、�/p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td align="center"><p></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td><strong>�?: 在时域OCT设计中的INT-MSI-1300B的示意图</strong></td></tr></tbody></table></td></tr></tbody></table><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td align="center"><p></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td><strong><strong>�?: 在示例傅里叶域OCT设计中的INT-MSI-1300B的示意图</strong></strong></td></tr></tbody></table></td></tr></tbody></table><p> 干涉仪两臂的内部光纤长度匹配�?span>0.2</span>毫米以内，同旵�span>50/50</span>熔融耦合器和平衡探测器的输入之间的光程也经过匹配，以获得**的噪声抑制（�?*的共模抑制比CMRR）。内部耦合器已经进行了优化，具有平坦的波长响应和非常低的PDCR（偏振相关耦合比），这使得探测信号几乎与输入的偏振变化无关。图<span>3</span>显示了在参考臂端和样品臂端输入功率的百分比。在<span>1300</span>纳米（中心波长）测量的两个端口的功率相等、�/p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td align="center"><p></p><table cellspacing="0" cellpadding="2" border="1" bordercolor="#f2f2f2" width="100%"><tbody><tr align="left"><td><p><strong>� 3９�/strong><strong> INT-MSI-1300B�?300纳米测量的IN端口到样品臂和参考臂端口的耦合效率</strong></p></td></tr></tbody></table></td></tr></tbody></table> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  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