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</span>鶴慶路398號41幢1層B1055室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="h7vxe3a" class="page-proshow02"><p class="title">詳細說明</p><div id="49kmtah" class="box"><p><p style="text-indent:25px">隨著光纖技術(shù)的發(fā)展，各種新的光纖元器件制造技術(shù)也相應(yīng)問世，其中光纖熔融拉錐技術(shù)就是制造光纖分路器的一種重要方法。光纖分路器是使-一個光通道上的光信號引導(dǎo)到兩個或兩個以上的光通道去的器件，上海邁岐光纖跳線。它的主要品種有定向耦合器、T形耦合器及星形耦合器等，上海邁岐光纖跳線。雖然可以采用傳統(tǒng)的光學(xué)器件制造方法，即利用透鏡、棱鏡等元件構(gòu)成分立型的光分路器，但由于光纖極細，微型光學(xué)元器件的制造成本很高，上海邁岐光纖跳線，所以加拿大、美國等國家首先采用光纖熔融拉錐機的技術(shù)制造光纖分路器，有效降低了成本。光纖跳線的主要特點都有哪些呢？上海邁岐光纖跳線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海邁岐光纖跳線,光纖跳線" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637351010866298828/8302457.png"></div><p style="text-indent:25px">基于光纖的消逝場耦合模理論，分析了熔融拉錐型光纖耦合器的工作原理;采用熔融拉錐機和光學(xué)測試系統(tǒng)，研究了熔融拉錐型3dB光纖耦合器的制作過程;分析了拉伸速度對損耗的影響。結(jié)果表明，當拉伸速度為150μm/s時，耦合器性能較佳。對拉制后的光纖耦合器進行光譜特性測試和分析，結(jié)果表明，各參數(shù)均滿足性能指標。該方法具有制作過程簡單、附加損耗低、不受環(huán)境影響以及成本低廉等優(yōu)點。同時也證明熔錐法是目前制作光纖耦合器的較可行、較實用的方法。上海邁岐光纖跳線根據(jù)您的具體需求選擇不同的光纖跳線參數(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海邁岐光纖跳線,光纖跳線" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637351010787275391/687417.png"></div><p> “SC”表示尾纖接頭型號為SC接頭，業(yè)界傳輸設(shè)備側(cè)光接口一般用用SC接頭，SC接頭是工程塑料的，具有耐高溫，不容易氧化優(yōu)點; ODF側(cè)光接口一般用FC接頭，F(xiàn)C是金屬接頭，但ODF不會有高溫問題，同時金屬接頭的可插拔次數(shù)比塑料要多，維護ODF尾纖比光板尾纖要多。其它常見的接頭型號為：ST、DIN 、FDDI。 </p> <p> <span style="font-size:12px;">“PC”表示光纖接頭截面工藝，PC是普遍的。在廣電和早期的CATV中應(yīng)用較多的是APC型號。尾纖頭采用了帶傾角(8度）的端面，斜度一般看不出來，可以改善電視信號的質(zhì)量，主要原因是電視信號是模擬光調(diào)制，當接頭耦合面是垂直的時候，反射光沿原路徑返回。由于光纖折射率分布的不均勻會再度返回耦合面，此時雖然能量很小但由于模擬信號是無法徹底消除噪聲的，所以相當于在原來的清晰信號上疊加了一個帶時延的微弱信號。表現(xiàn)在畫面上就是重影。尾纖頭帶傾角可使反射光不沿原路徑返回。一般數(shù)字信號一般不存在此問題。</span> </p><p> 從理論上來說，光纖是圓芯的應(yīng)該不會產(chǎn)生雙折射，并且光纖的偏振態(tài)在傳播過程中是不會改變的。然而，在實際中，常規(guī)光纖在生產(chǎn)過程中，會受到外力作用等原因，使光纖粗細不均勻或彎曲等，就會使其產(chǎn)生雙折射現(xiàn)象。當光纖受到任何外部干擾，例如波長、彎曲度、溫度等的影響因素時，光的偏振態(tài)在常規(guī)光纖中傳輸時就會變得雜亂無章。 </p> <p> <span style="font-size:12px;">作為一種特種光纖，保偏光纖（Polarization Maintaining Optical Fiber）是通過光纖幾何尺寸上的設(shè)計，產(chǎn)生更強烈的雙折射效應(yīng)，來消除應(yīng)力對入射光偏振態(tài)的影響，從而解決偏振態(tài)變化的問題。保偏光纖具有很強的雙折射，只要入射光纖中光的偏振方向與保偏光纖的一個軸平行，即使光纖存在彎曲，光的偏振態(tài)也不會發(fā)生變化。對于某些需要保證偏證光輸入的特殊應(yīng)用中，保持偏振的功能就顯得尤為重要。</span> 光纖跳線產(chǎn)品通過各種IOS9001，ROHS認證，質(zhì)量有保證。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海邁岐光纖跳線,光纖跳線" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637351010726689453/9702340.png"></div><p style="text-indent:25px">光纖熔融拉錐耦合器的耦合動作是相互作用長度和工作波長的函數(shù)。這一事實很容易被利用來修改FBT耦合器的特性,通過定制設(shè)計參數(shù)來實現(xiàn)各種應(yīng)用特定的器件。這種設(shè)計過程需要通過控制影響分光比的因素來徹底了解分光比的波長依存度及其優(yōu)化。分光比的變化速率即功率傳輸?shù)乃俣茸兓俣热Q于波長,決定了功率轉(zhuǎn)移振蕩的波長周期。這是耦合器結(jié)構(gòu)的一個特性，可以通過在制造過程中控制錐形的形狀來映射到目標要求。了解給定一組制造變量的信號(即監(jiān)測波長的耦合特性)為控制分時形狀提供必要的反饋，從而得出所需的波長周期。從實時測量中獲得的拉錐圖形,可估計出制造所需分光比的分量組件所需的拉力長度，這也確立了制造過程中耦合的性質(zhì)?？刂坪蛢?yōu)化熔融耦合器的光譜分光比,可以產(chǎn)生許多不同類型的器件。光纖跳線的特點有很多。上海邁岐光纖跳線</p><p style="text-indent:25px">光纖跳線產(chǎn)品通過各種IOS9001，ROHS認證，可放心采購。上海邁岐光纖跳線</p><p style="text-indent:25px"> 光纖跳線按端接類型分主要有以下三種類型：ST-ST、SC-SC、ST-SC。按光纖種類分主要有單模光纖和多模光纖兩類。跳線長度的規(guī)格有0.5m、1m、2m、3m、5m、10m等。按線纜外護層材料可分為普通型、普通阻燃型、低煙無鹵型（LZSH）、低煙無鹵阻燃型等。根據(jù)建筑物防火等級和對材料的耐火要求，綜合布線系統(tǒng)應(yīng)采取相應(yīng)的措施。在易燃的區(qū)域和大樓豎井內(nèi)布放電纜或光纜，應(yīng)采用阻燃的電纜和光纜；在大型公共場所宜采用阻燃、低煙、低毒的電纜或光纜；相鄰的設(shè)備間或交接間應(yīng)采用阻燃型配線設(shè)備。上海邁岐光纖跳線</p></p><br /><p>文章來源地址: 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