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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>江蘇質(zhì)量的連續(xù)可調(diào)諧激光器,可調(diào)諧激光器</p><p><span>***更新：</span>2021-02-03 00:19:01</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2gipevm" 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="scz2amt" class="page-proshow02"><p class="title">詳細說明</p><div id="iszbvhy" class="box"><p><p style="text-indent:25px">可調(diào)諧激光器功率平坦度的校準：將可調(diào)諧激光器輸出設(shè)置為較小輸出功率，在整個工作波長范圍內(nèi)以一定的波長間隔(一般為10nm)進行調(diào)節(jié)，江蘇質(zhì)量的連續(xù)可調(diào)諧激光器，同時用光纖功率計測量每個波長點的輸出功率，連續(xù)測量n次(n不小于3)，記錄測量結(jié)果，江蘇質(zhì)量的連續(xù)可調(diào)諧激光器，并根據(jù)下式計算出功率平坦度功率平坦度=(功率Zda差值-Z小差值)/2 可調(diào)諧激光器功率穩(wěn)定性校準：對光纖功率計進行校零。用光纖功率計連續(xù)測量可調(diào)諧激光器的輸出，江蘇質(zhì)量的連續(xù)可調(diào)諧激光器，以一定的時間間隔記錄一個小時內(nèi)調(diào)諧激光器的輸出功率，被校儀器的功率穩(wěn)定性即為：功率穩(wěn)定性=(功率Zda值-功率Z小值)/2(dB) 可調(diào)諧激光器信號噪聲比校準：可調(diào)諧激光器的信號噪聲比是指其輸出光信號的峰值功率與其平均噪聲信號功率之間的比值，可用光譜分析儀宜接進行測量?？烧{(diào)諧激光器在未來的全光網(wǎng)絡(luò)中發(fā)揮重要作用。江蘇質(zhì)量的連續(xù)可調(diào)諧激光器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇質(zhì)量的連續(xù)可調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648929414062/8462327.png"></div><p style="text-indent:25px">可調(diào)諧激光器是新一代密集波分復(fù)用系統(tǒng)以及全光網(wǎng)絡(luò)中光子交換的關(guān)鍵光電子器件，它的運用使得光纖傳輸系統(tǒng)容量得到了增加，靈活性和可擴展性得到了增強，目前已經(jīng)實現(xiàn)了寬波長范圍的連續(xù)或準連續(xù)調(diào)諧?？烧{(diào)諧激光器發(fā)展現(xiàn)狀：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?？烧{(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。江蘇質(zhì)量的連續(xù)可調(diào)諧激光器可調(diào)諧激光器可實現(xiàn)通信設(shè)備小型化、多功能、集成化、低功耗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇質(zhì)量的連續(xù)可調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648965322266/1313067.png"></div><p style="text-indent:25px">連續(xù)波可調(diào)諧激光器：實用的連續(xù)波可調(diào)諧激光器的結(jié)構(gòu)，與固定波長激光器完全不同，與脈沖可調(diào)諧激光器也有很大差別。由于這種激光器所采用的泵浦光源，為連續(xù)波或準連續(xù)波激光器，如氬離子激光器，一般平均輸出功率為瓦級，因此其泵浦功率和泵浦速率較小，為實現(xiàn)激光介質(zhì)的粒子數(shù)反轉(zhuǎn)，對增益介質(zhì)長度和摻雜濃度都有嚴格限制，通常增益介質(zhì)長度(或厚度)*mm左右，摻雜濃度也遠低于脈沖運轉(zhuǎn)的介質(zhì)。介質(zhì)多采用縱向泵浦形式，為達到泵浦閾值，還需將泵浦光會聚成小光斑。這種低濃度、小增益，為了實現(xiàn)激光振蕩，必須對諧振腔的損耗也要有更嚴格的要求。早期的連續(xù)波可調(diào)諧染料激光器，也曾采用直腔或變形腔的腔損耗太大，激光器轉(zhuǎn)換效串低，不實用。實際應(yīng)用的連續(xù)波可調(diào)諧激光器，多采用肖像散的折疊腔結(jié)構(gòu),有三鏡折疊腔和四鏡折疊腔。</p><p style="text-indent:25px">掃頻可調(diào)諧激光器特殊設(shè)計的高速高精度閉環(huán)功率控制系統(tǒng)保證了在全光譜高速波長掃描（100,000nm/s.）過程中依然能保證非常高的功率穩(wěn)定性。精心設(shè)計的外腔結(jié)構(gòu)保證了在整個掃描波段的極高的光譜純度，邊模抑制比達-50dB。?這一系列掃頻可調(diào)諧激光器普遍應(yīng)用于opticalcoherencetomography（OCT），干涉測量，光譜學，光纖傳感等領(lǐng)域。掃頻可調(diào)諧激光器操作模式：在任意可選波長上進行工作；從指定起始波長到指定終止波長進行指定速度的線性波長掃描；在任意兩個指定波長之間進行轉(zhuǎn)換?？烧{(diào)諧激光器與其他傳統(tǒng)的固態(tài)激光器相比，具有從近紫外到近紅外的寬波段調(diào)諧范圍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇質(zhì)量的連續(xù)可調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649071679687/6092644.png"></div><p style="text-indent:25px">可調(diào)諧激光器研究現(xiàn)狀波長可調(diào)激光器從上世紀80年代開始到現(xiàn)在，已開:發(fā)出可調(diào)諧的分布反饋(DFB)激光器、分布布喇格反射器(DBR)激光器、基于MEMS的可調(diào)諧垂直腔面發(fā)射激光器(VCSEL)、可調(diào)諧光纖激光器通常借助溫度、電流、機械等以控制能量進行調(diào)節(jié)”。其中，基于MEMS技術(shù)制作的單片集成外腔可調(diào)半導(dǎo)體激光器凸顯優(yōu)勢甲，在很多程度上促進了可調(diào)諧激光器在光通信網(wǎng)絡(luò)中應(yīng)用的進程。與傳統(tǒng)的激光器相比較，可調(diào)諧激光器在降低成本的基礎(chǔ)上，具有較寬的波長調(diào)諧范圍，連續(xù)可調(diào)性，較高的輸出功率，同時提供高精度的波長準確度以及單縱模波長輸出。此外，精密的外腔同時提高了可調(diào)諧激光器的輸出性能，如窄的線寬，高的邊模抑制比。另一方面，MEMS技術(shù)的集成可調(diào)諧激光器的優(yōu)勢，主要表現(xiàn)在緊湊致密的設(shè)計減小了器件的尺寸，提高了調(diào)諧速度，具有較高的機械穩(wěn)定性/可靠性。此外，MEMS可調(diào)諧激光器的優(yōu)越性表現(xiàn)在，較低的加工成本，低功耗。由于加工工藝相似，以MEMS技術(shù)為基礎(chǔ)的器件簡化了與集成控制電路(IC)相集成的工藝加工程序，并使總體的集成器件擁有良好的集成性能。國際上對可調(diào)諧半導(dǎo)體激光器的研制十分活躍，進展也很快。江蘇品牌國產(chǎn)可調(diào)諧激光器</p><p style="text-indent:25px">目前可調(diào)諧激光器已經(jīng)實現(xiàn)了寬波長范圍的連續(xù)或準連續(xù)調(diào)諧。江蘇質(zhì)量的連續(xù)可調(diào)諧激光器</p><p style="text-indent:25px">目前長距離光纖通信市場應(yīng)用的激光器不是DFB就是DBR激光器—所謂的邊發(fā)射激光器，它們的發(fā)射光與基質(zhì)表面平行，使用內(nèi)部光柵改變波長并使用溫度進行調(diào)諧。可調(diào)諧激光器芯片的溫度是變化的，這樣可以改變有源材料的折射率，從而改變波長，實現(xiàn)對波長的調(diào)諧。DFB激光器比較成熟，其缺點是調(diào)諧范圍有限。由于一個DFB激光器無法提供足夠?qū)挼目烧{(diào)諧度，可使用4個或8個DFB激光器組成一個陣列，以覆蓋較寬的波長范圍。因此，DFB激光器比其它可調(diào)諧激光器稍大一些。江蘇質(zhì)量的連續(xù)可調(diào)諧激光器</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3129129.html</p></div></div></div></div></div><div id="vkm8he3" class="page-right twoColRt"><div id="nmo8e2j" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wgnpwip" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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