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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="lurj3jz" class="twoCol"><div id="2mbsmyk" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jxjxysb_qtxyzysb/">其他行業(yè)**設(shè)備</a>?上海好用的可調(diào)諧dfb激光器歡迎咨詢邁岐光電科技供應(yīng)</p><div id="2ei3by7" class="leftbox clearfix"><h1>上海好用的可調(diào)諧dfb激光器歡迎咨詢邁岐光電科技供應(yīng)</h1><div id="znpj83n" class="proBig"><div id="v2urwxz" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648620058594/4486341.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="33hewya" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648620058594/4486341.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="n7m22pw" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>上海好用的可調(diào)諧dfb激光器,可調(diào)諧激光器</p><p><span>***更新：</span>2020-12-27 05:13:30</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="ts2nur3" 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(jī): </span>021-64903967</p><p><span>地址: </span>鶴慶路398號(hào)41幢1層B1055室</p><p>[當(dāng)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="24myvxz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jnfh7wo" class="box"><p><p style="text-indent:25px">光纖接入網(wǎng)對可調(diào)諧激光器需求更為迫切，上海好用的可調(diào)諧dfb激光器，因?yàn)榻尤刖W(wǎng)直接面對用戶，需求量大，對成本控制必須非常嚴(yán) 格?；诳烧{(diào)諧激光器的多波長無源光接入網(wǎng)(WDM-PON)系統(tǒng)頗具吸引力，滿足了接入網(wǎng)高速率通信的同時(shí)，有效降低了設(shè)備費(fèi)用和管理成本，上海好用的可調(diào)諧dfb激光器。可調(diào)諧激光器的引入代替了有數(shù)十個(gè)激光器組成的激光器陣列(LD- array)，同時(shí)減少了陣列波導(dǎo)光柵I(AWG)的使用數(shù)量，上海好用的可調(diào)諧dfb激光器，在很大程度上降低了系統(tǒng)成本?？烧{(diào)諧激光器不但是DWDM光網(wǎng)絡(luò)系統(tǒng)的理想光源，同時(shí)還是光突發(fā)交換網(wǎng)絡(luò)中重要的結(jié)構(gòu)器件?；诠饫w激光器的可調(diào)諧光纖激光器近年來有相當(dāng)大的發(fā)展。上海好用的可調(diào)諧dfb激光器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海好用的可調(diào)諧dfb激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648620058594/4486341.png"></div><p style="text-indent:25px">由于波長可調(diào)諧激光器應(yīng)用非常普遍，因此出現(xiàn)的各種結(jié)構(gòu)的可調(diào)諧激光器可以應(yīng)用到不同的系統(tǒng)，各有優(yōu)缺點(diǎn)。外腔半導(dǎo)體激光器由于輸出功率**長連續(xù)可調(diào)，因而可用于精密測試儀器中的寬帶可調(diào)光源。從光子集成以及滿足未來全光網(wǎng)的角度來看取樣光柵DBR，超結(jié)構(gòu)光柵DBR及與調(diào)制器、放大器等集成的可調(diào)諧激光器也許可成為有前途的可調(diào)諧光源。光纖光柵外腔可調(diào)諧激光器也是很有前途的一類光源，其結(jié)構(gòu)簡單、線寬窄、易于光纖耦合，如果腔內(nèi)可集成EA調(diào)制器還可以作為高速可調(diào)諧光孤子源。另外，基于光纖激光器的可調(diào)諧光纖激光器近年來有相當(dāng)大的發(fā)展。可以預(yù)計(jì)，在光通信光源中可調(diào)諧激光器性能將會(huì)進(jìn)一步完善，市場占有份額將逐漸加大，具有非常光明的應(yīng)用前景。江蘇定購可調(diào)諧激光器可調(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(kuò)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="上海好用的可調(diào)諧dfb激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649161064453/6066621.png"></div><p style="text-indent:25px">可調(diào)諧激光器基于機(jī)械控制技術(shù)：基于機(jī)械控制技術(shù)一般采用MEMS來實(shí)現(xiàn)。一種基于機(jī)械控制技術(shù)的可調(diào)諧激光器采用MEMs-DFB結(jié)構(gòu)?？烧{(diào)諧激光器主要包括DFB激光器陣列、可傾斜的MEMs鏡片和其他控制與輔助部分。對于DFB激光器陣列區(qū)存在若干個(gè)DFB激光器陣列，每個(gè)陣列可以產(chǎn)生帶寬約為1.0nm內(nèi)的間隔為25Ghz的特定波長。通過控制MEMs鏡片旋轉(zhuǎn)角度來對需要的特定波長進(jìn)行選擇，從而輸出需要的特定波長的光。另一種基于VCSEL結(jié)構(gòu)ML系列系列的可調(diào)諧激光器，其設(shè)計(jì)基于光泵浦垂直腔面發(fā)射激光器，采用半對稱腔技術(shù)，利用MEMS實(shí)現(xiàn)連續(xù)的波長調(diào)諧。同時(shí)通過此方法可得到大的輸出光功率和寬光譜調(diào)諧范圍，熱敏電阻和TEC封裝在一起，以便在寬的溫度范圍內(nèi)具有穩(wěn)定的輸出。為了精確頻率控制一個(gè)寬帶波長控制器被集成同一管殼內(nèi)，前端分接光功率檢測器及光隔離器用于提供穩(wěn)定的輸出功率。這種可調(diào)激光器可以在C波段和L波段提供10/20mW光功率。對于這種原理的可調(diào)諧激光器主要缺點(diǎn)是調(diào)諧時(shí)間比較慢，一般需要幾秒的調(diào)諧穩(wěn)定時(shí)間。</p><p style="text-indent:25px">在光突發(fā)交換網(wǎng)絡(luò)中，比較重要的是構(gòu)建緩存模塊，并且必須滿足突發(fā)包緩存的超長性和可變性的要求，利用可調(diào)諧激光器可以精確控制光纖延遲線的長度，從而實(shí)現(xiàn)高可靠性的突發(fā)通信。光標(biāo)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，良好的波長穩(wěn)定性和快速的調(diào)節(jié)速度可以在光標(biāo)記交換網(wǎng)絡(luò)中，實(shí)現(xiàn)光標(biāo)簽頭的產(chǎn)生和再生等功能。標(biāo)簽頭的產(chǎn)生主要采用全光波長變換技術(shù)，這種變換方式，結(jié)構(gòu)簡單緊湊，消光比高，當(dāng)采用快速可調(diào)諧激光器后(調(diào)諧速度幾個(gè)微秒時(shí))，轉(zhuǎn)換速度可達(dá)到40Gbit/s以上?？烧{(diào)諧激光器的類型比較多，一般都是在各種單一波長激光器基礎(chǔ)上進(jìn)一步引入波長調(diào)諧機(jī)構(gòu)發(fā)展而成的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海好用的可調(diào)諧dfb激光器,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)諧激光器技術(shù)分類：可調(diào)諧激光器從實(shí)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(jī)械控制技術(shù)等類型。其中電控技術(shù)是通過改變注入電流實(shí)現(xiàn)波長的調(diào)諧，具有ns級(jí)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。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(gè)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。機(jī)械控制主要是基于MEMS（微機(jī)電系統(tǒng)）技術(shù)完成波長的選擇，具有較大的可調(diào)帶寬、較高的輸出功率?；跈C(jī)械控制技術(shù)的主要有DFB（分布反饋）、ECL（外腔激光器）和VCSEL（垂直腔表面發(fā)射激光器）等結(jié)構(gòu)。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。江蘇定購可調(diào)諧激光器</p><p style="text-indent:25px">調(diào)諧激光器內(nèi)部均帶有控制電路，便于控制使用。上海好用的可調(diào)諧dfb激光器</p><p style="text-indent:25px">通過使用可調(diào)諧激光器作為備份，一個(gè)激光器就可以對幾個(gè)波長甚至整個(gè)波段的波長進(jìn)行備份，從而降低備份成本；由于可調(diào)諧激光器不再區(qū)分波長，以及其有通用性，從而簡化了存貨管理和對資金的占用；通過在光網(wǎng)絡(luò)中部署可調(diào)諧激光器，可以根據(jù)網(wǎng)絡(luò)中波長使用的具體情況，動(dòng)態(tài)地選擇信號(hào)波長，從而以較低的成本實(shí)現(xiàn)動(dòng)態(tài)的波長分配和使用，提升光網(wǎng)絡(luò)的靈活性；此外，具有很調(diào)諧速度的可調(diào)諧激光器能夠支持未來的光分組交換，等等。因此，鑒于可調(diào)諧激光器人有以上諸多優(yōu)勢，業(yè)內(nèi)人士普遍認(rèn)為，可調(diào)諧激光器不久將會(huì)取代固定波長激光器在光通信領(lǐng)域的地位。上海好用的可調(diào)諧dfb激光器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2581519.html</p></div></div></div></div></div><div id="7g3ldfc" class="page-right twoColRt"><div id="7gpwipw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zo22oqs" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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