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id="vu70pnx" class="twoCol"><div id="dwe8gqj" 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>?江蘇定購調(diào)諧激光器歡迎咨詢邁岐光電科技供應(yīng)</p><div id="ydbpoqo" class="leftbox clearfix"><h1>江蘇定購調(diào)諧激光器歡迎咨詢邁岐光電科技供應(yīng)</h1><div id="y7mpd26" class="proBig"><div id="9sayxko" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649005078125/7375890.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="4tfp3vd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649005078125/7375890.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kvtxpox" 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>江蘇定購調(diào)諧激光器,可調(diào)諧激光器</p><p><span>***更新：</span>2020-12-25 06:13:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oj6em4y" 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="eabfyig" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ww692rf" class="box"><p><p style="text-indent:25px">波長可調(diào)諧激光器可以根據(jù)需要進(jìn)行光波長的改變，改變波長的方法之一是通過改變注入電流，使發(fā)光材料的折射率發(fā)射改變，從而在一定范圍內(nèi)改變和控制激光器的輸出波長，其主要考慮的性能指標(biāo)是波長調(diào)諧速度和波長調(diào)諧范圍。實現(xiàn)激光波長調(diào)諧的原理大致有三種。大多數(shù)可調(diào)諧激光器都使用具有寬的熒光譜線的工作物質(zhì)。構(gòu)成激光器的諧振腔只在很窄的波長范圍內(nèi)才有很低的損耗。因此，江蘇定購調(diào)諧激光器，第一種是通過某些元件(如光柵)改變諧振腔低損耗區(qū)所對應(yīng)的波長來改變激光的波長。第二種是通過改變某些外界參數(shù)(如磁場、溫度等)使激光躍遷的能級移動。第三種是利用非線性效應(yīng)實現(xiàn)波長的變換和調(diào)諧(見非線性光學(xué)、受激喇曼散射，江蘇定購調(diào)諧激光器、光二倍頻，光參量振蕩)。可調(diào)諧激光器是基于摻餌光纖80nm增益帶寬，江蘇定購調(diào)諧激光器，在回路中加入濾波元件來控制激光器的激射波長，實現(xiàn)波長的調(diào)諧。江蘇定購調(diào)諧激光器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇定購調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649005078125/7375890.png"></div><p style="text-indent:25px">可調(diào)諧激光器應(yīng)用的激光介質(zhì)，必須具有寬熒光光譜，熒光光譜帶寬越寬，可謂諧波長范圍越寬。激光介質(zhì)可以是液態(tài)染料，也可以是高分子氣體，或準(zhǔn)分子氣體，或是具有寬帶熒光的激光晶體、色心晶體或半導(dǎo)體等。可調(diào)諧激光器的泵浦，往往采用其他激光器作為泵浦光源。泵浦形式可采用橫向泵浦，也可采用縱向泵浦，如上述脈沖染料激光器，即采用橫向泵浦形式，而摻鈦藍(lán)寶石激光器，則采用縱向泵浦形式。可調(diào)諧激光器諧振腔內(nèi)，必須插入適當(dāng)?shù)倪x頻、調(diào)諧元件，以組成“選頻諧振腔”?？烧{(diào)諧激光器，主要根據(jù)激光調(diào)諧特性和線寬要求，選用選頻、調(diào)諧元件,并考慮到諧振腔結(jié)構(gòu)和激光功率等因素。選頻元件除棱鏡外,還可用光柵、標(biāo)準(zhǔn)具和雙折射濾光片等色散、干涉元件。為滿足激光的寬帶調(diào)諧，諧振腔腔鏡必須鍍以寬帶介質(zhì)膜，介質(zhì)膜的寬帶應(yīng)與激光介質(zhì)熒光光譜帶寬相匹配。江蘇定購調(diào)諧激光器鑒于可調(diào)諧激光器的獨(dú)特優(yōu)勢，雖然整個通信業(yè)目前發(fā)展趨緩，但可調(diào)諧激光器的應(yīng)用前景卻被大家所看好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇定購調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649238291016/5078042.png"></div><p style="text-indent:25px">可調(diào)諧激光器的網(wǎng)絡(luò)應(yīng)用可以分成兩大部分：靜態(tài)應(yīng)用和動態(tài)應(yīng)用。在靜態(tài)應(yīng)用中，可調(diào)諧激光器的波長在使用過程中設(shè)定，并不隨時間而變化。比較常見的靜態(tài)應(yīng)用是用作源激光器的代替品，即用在密集波分復(fù)用傳輸系統(tǒng)中，讓一個可調(diào)諧激光器充當(dāng)多個固定波長激光器和柔性源激光器的后備，可以減少用來支持系統(tǒng)中所有不同波長所需的線路卡的數(shù)量。靜態(tài)應(yīng)用中，對可調(diào)諧激光器的主要要求是價格、輸出功率以及光譜特性，也就是說線寬和穩(wěn)定性要和它替代的定波長激光器相當(dāng)。波長可調(diào)范圍越大，性價比也就越好，而不需要多快的調(diào)節(jié)速度。目前，配有精密可調(diào)諧激光器DWDM系統(tǒng)應(yīng)用越來越多。</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，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(dá)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(jìn)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?？烧{(diào)諧激光器本身尺寸小、線寬窄和光學(xué)效率高。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇定購調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333649261953125/5312774.png"></div><p style="text-indent:25px">可調(diào)諧激光器波長準(zhǔn)確度的校準(zhǔn)：波長準(zhǔn)確度是指可調(diào)諧激光器的實際輸出波長與其設(shè)置波長之間的偏差，單位nm。采用的是光波長計直接測量的方法進(jìn)行校準(zhǔn)。校準(zhǔn)時，保證可調(diào)諧激光器輸出功率不變，波長設(shè)置值從被校儀器的起始波長開始等間距變化，一直到終止波長，波長間距一般為5或10nm。在每個波長點(diǎn)，應(yīng)使光波長計連續(xù)測量n次(n不小于3)，測量結(jié)果與設(shè)置值的差值應(yīng)小于或等于儀器的技術(shù)要求。可調(diào)諧激光器功率線性度的校準(zhǔn)：用標(biāo)準(zhǔn)光纖功率計進(jìn)行測量。將被?？烧{(diào)諧激光器波長設(shè)置為校準(zhǔn)波長，輸出功率設(shè)置為峰值功率。然后以一定的步進(jìn)值(一般為ldB、3dB或5dB)減小輸出功率，記錄功率計的測量結(jié)果，在所有功率電平上計算出實際測量的功率值與設(shè)置值之間的差值?？烧{(diào)諧激光器的功率線性度即為(Zda差值-Z小差值)/2，單位為dB。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。江蘇定購調(diào)諧激光器</p><p style="text-indent:25px">可調(diào)諧激光器是指在能夠一定范圍內(nèi)，可以連續(xù)不間斷的改變激光輸出波長的激光器。江蘇定購調(diào)諧激光器</p><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(jì)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(jī)械等以控制能量進(jìn)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(jìn)了可調(diào)諧激光器在光通信網(wǎng)絡(luò)中應(yīng)用的進(jìn)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(zhǔn)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(jī)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。江蘇定購調(diào)諧激光器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2554611.html</p></div></div></div></div></div><div id="whztnxc" class="page-right twoColRt"><div id="qkrktn6" class="box01 margin10 clearfix"><h3><a 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