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href="http://www.cdcfah.com/cp/third-jxjxysb_qtxyzysb/">其他行業(yè)**設(shè)備</a>?上?？焖倏烧{(diào)諧激光器哪里有歡迎咨詢邁岐光電科技供應(yīng)</p><div id="w3ja8f8" class="leftbox clearfix"><h1>上?？焖倏烧{(diào)諧激光器哪里有歡迎咨詢邁岐光電科技供應(yīng)</h1><div id="kitkwso" class="proBig"><div id="znjvmyu" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649238291016/5078042.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f8tpbi7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649238291016/5078042.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8mse33y" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>上?？焖倏烧{(diào)諧激光器哪里有,可調(diào)諧激光器</p><p><span>***更新：</span>2020-12-30 06:12:20</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="eip8nrs" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">邁岐光電科技（上海）有限公司</a></p><p><span>聯(lián)系人：</span>楊宸</p><p><span>郵箱: </span>1362372527@qq.com</p><p><span>電話: </span>13916047268</p><p><span>傳真: </span>021_64903967</p><p><span>網(wǎng)址: </span>http://www.combiner.com.cn</p><p><span>手機: </span>021-64903967</p><p><span>地址: </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="a7y8dua" class="page-proshow02"><p class="title">詳細說明</p><div id="73yuv2r" class="box"><p><p style="text-indent:25px">可調(diào)諧激光器基于電流控制技術(shù)：基于電流控制技術(shù)的一般原理是通過改變可調(diào)諧激光器內(nèi)不同位置的光纖光柵和相位控制部分的電流，從而使得光纖光柵的相對折射率會發(fā)生變化，產(chǎn)生不同的光譜，通過不同區(qū)域光纖光柵產(chǎn)生的不同光譜的疊加進行特定波長的選擇，從而產(chǎn)生所需要的特定波長的激光。一種基于電流控制技術(shù)的可調(diào)諧激光器采用SGDBR結(jié)構(gòu)，上?？焖倏烧{(diào)諧激光器哪里有，上?？焖倏烧{(diào)諧激光器哪里有。該類型的激光器主要分為半導(dǎo)體放大區(qū)、前布喇格光柵區(qū)，上海快速可調(diào)諧激光器哪里有、啟動區(qū)、相位調(diào)整區(qū)和后布拉格光柵區(qū)?？烧{(diào)諧激光器的電控技術(shù)是通過改變注入電流實現(xiàn)波長的調(diào)諧。上?？焖倏烧{(diào)諧激光器哪里有</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海快速可調(diào)諧激光器哪里有,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649238291016/5078042.png"></div><p style="text-indent:25px">未來，用作備份的可調(diào)激光器還要求有快的相應(yīng)速度。當一個密集波分復(fù)用信道失效時，一個可調(diào)激光器可以自動啟用使其恢復(fù)工作。要實現(xiàn)這個功能，激光器必須在10毫秒甚至更短的時間內(nèi)調(diào)到并鎖定在失效的波長，這樣才能保證整個恢復(fù)時間短于同步光網(wǎng)絡(luò)要求的50毫秒以下。在動態(tài)應(yīng)用中，要求可調(diào)諧激光器的波長能在工作中有規(guī)律地變化，以增強光網(wǎng)絡(luò)的靈活性。這種應(yīng)用一般都要求能提供動態(tài)的波長，以便將一個波長從一個網(wǎng)絡(luò)段中加入或提出，以適應(yīng)所要求的變化的容量。人們已經(jīng)提出了一種簡單且更加靈活的ROADMs結(jié)構(gòu)：這是一個基于同時使用可調(diào)激光器和可調(diào)濾波器的架構(gòu)?？烧{(diào)激光器可以給系統(tǒng)加上某些波長，而可調(diào)濾波器可以從系統(tǒng)中濾掉某些波長?？烧{(diào)激光器還可以解決光交叉聯(lián)接里面的波長阻斷問題。目前，大多數(shù)光交叉聯(lián)接在光纖兩端使用光-電-光交換界面來避免這種問題。如果在輸入端使用可調(diào)激光器向OXC輸入，可以選擇一定的波長來保障光波以一個清晰的路徑到達終點。浙江可調(diào)諧激光源銷售光標記交換中對可調(diào)諧激光器在性能和速度方面提出了更高的要求。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?？焖倏烧{(diào)諧激光器哪里有,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648487939453/8840450.png"></div><p style="text-indent:25px">可調(diào)諧半導(dǎo)體激光器商用主流技術(shù)的局限性：對于基于游標卡尺效應(yīng)的可調(diào)諧半導(dǎo)體激光器，由于對準容差小，調(diào)諧過程中無法避免的環(huán)境（如熱）變化使模式穩(wěn)定性差。因此此類可調(diào)諧半導(dǎo)體激光器的成本主要來源于激光芯片制造和激光模式容易跳模導(dǎo)致的封裝和控制成本。經(jīng)過30多年發(fā)展，芯片制造已經(jīng)大幅度降低，但是至今還未有成熟方案大幅度降低可調(diào)激光模式對于環(huán)境特別敏感導(dǎo)致封裝和控制上的高昂成本。DFB激光器是比較簡單、模式比較穩(wěn)定的單模半導(dǎo)體激光器，其制造成本也很低，目前普通2.5Gb/sDFB激光器的單價已經(jīng)遠小于1美元，因此理論上可調(diào)諧DFB半導(dǎo)體激光器陣列能夠?qū)崿F(xiàn)很低成本。但是由于需要很多不同波長DFB激光器單片集成在芯片上，對于激光器陣列波長的準確排列有要求。而現(xiàn)有主流DFB激光器陣列制造技術(shù)不滿足準確制造要求。</p><p style="text-indent:25px">可調(diào)諧激光器是指在一定范圍內(nèi)可以連續(xù)改變激光輸出波長的激光器?？烧{(diào)諧激光器的用途普遍，可用于光譜學、光化學、醫(yī)學、生物學、集成光學、污染監(jiān)測、半導(dǎo)體材料加工、信息處理和通信等?？烧{(diào)諧激光器從實現(xiàn)技術(shù)上看主要分為：電流控制技術(shù)、溫度控制技術(shù)和機械控制技術(shù)等類型?？烧{(diào)諧激光器電控技術(shù)是通過改變注入電流實現(xiàn)波長的調(diào)諧，具有ns級調(diào)諧速度，較寬的調(diào)諧帶寬，但輸出功率較小，基于電控技術(shù)的主要有SG-DBR(采樣光柵DBR)和GCSR(輔助光柵定向耦合背向取樣反射)激光器?？烧{(diào)諧激光器溫控技術(shù)是通過改變激光器有源區(qū)折射率，從而改變激光器輸出波長的。該技術(shù)簡單，但速度慢，可調(diào)帶寬窄，只有幾個nm?；跍乜丶夹g(shù)的主要有DFB(分布反饋)和DBR(分布布喇格反射)激光器。可調(diào)諧激光器在光通信網(wǎng)絡(luò)中的應(yīng)用：隨著光通信網(wǎng)絡(luò)的發(fā)展和擴大，對波長的要求也越來越多。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上?？焖倏烧{(diào)諧激光器哪里有,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649261953125/5312774.png"></div><p style="text-indent:25px">掃頻可調(diào)諧激光器，這是一種具備波長快速掃描功能的外腔式可調(diào)諧半導(dǎo)體激光器，調(diào)諧精度高，波長重復(fù)性高。在850nm波段具有50nm調(diào)諧帶寬，在1060nm波段具有70nm調(diào)諧帶寬。??這一系列激光器的選頻裝置是一個帶主動溫控的調(diào)諧高速窄帶AOTF。這保證了這一系列掃頻激光器的非常高的掃描速度，其較快掃描速度可達7us。此外，AOTF也保證了掃描的非常高的線性。這一系列掃頻可調(diào)諧激光器的波長分辨率為0.05nm。AOTF的射頻控制信號可以根據(jù)客戶對波長掃描的特殊時序需求在出廠前進行編程。對AOTF的主動溫控技術(shù)保證了掃頻可調(diào)諧激光器的長壽命，高波長輸出穩(wěn)定性，高波長重復(fù)精度。可調(diào)諧激光器可以方便準確控制頻道間隔，具有波長穩(wěn)定性好、功率穩(wěn)定度高、線寬窄等優(yōu)點。浙江可調(diào)諧激光源銷售</p><p style="text-indent:25px">掃頻可調(diào)諧激光器，這是一種具備波長快速掃描功能的外腔式可調(diào)諧半導(dǎo)體激光器。上?？焖倏烧{(diào)諧激光器哪里有</p><p style="text-indent:25px">世界各公司和研究機構(gòu)都在積極推進可調(diào)諧激光器的研發(fā)工作，在這一領(lǐng)域也不斷取得新的進展。可調(diào)諧激光器的性能不斷完善，成本不斷降低。目前可調(diào)諧激光器主要分為兩大類:半導(dǎo)體可調(diào)諧激光器和可調(diào)諧光纖激光器。半導(dǎo)體激光器是目前光通信系統(tǒng)中較為重要的光源，具有體積小，重量輕，轉(zhuǎn)換效率高，省電等特點，便于與其他器件實現(xiàn)單片光電子集成?？煞譃榭烧{(diào)諧分布反饋激光器、分布布拉格反射鏡激光器、微電機系統(tǒng)垂直腔面發(fā)射激光器和外腔半導(dǎo)體激光器。上?？焖倏烧{(diào)諧激光器哪里有</p></p><br /><p>文章來源地址: 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