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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>浙江買低成本可調(diào)諧激光器,可調(diào)諧激光器</p><p><span>***更新：</span>2020-12-28 03:11:37</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="lasubnk" 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="ispwyfc" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="u223x7i" class="box"><p><p style="text-indent:25px">可調(diào)諧單頻半導(dǎo)體激光器包含一個(gè)激光二極管和頻率選擇模塊，比如用于激光頻率選擇和調(diào)諧的光柵。我們可提供從190nm到4000nm中的任一波長(zhǎng)，浙江買低成本可調(diào)諧激光器，并且可同時(shí)實(shí)現(xiàn)窄線寬與可調(diào)諧–在某些系統(tǒng)中甚至可以實(shí)現(xiàn)高達(dá)120nm無跳?？烧{(diào)諧范圍。此類激光器的功率即可以通過**的放大器進(jìn)行放大，浙江買低成本可調(diào)諧激光器，也可以集成在完整的主控振蕩器的功率放大器(MOPA)中，較大功率可達(dá)到4W。大部分的TOPTICA放大器系統(tǒng)都在使用錐形放大器。更寬的光譜覆蓋范圍可以通過倍頻激光器來實(shí)現(xiàn)，可以實(shí)現(xiàn)從190nm到680nm，而功率較高可以達(dá)到1W。所有這些激光器系統(tǒng)的比較重要的特性就是低噪聲（低RIN噪聲和窄線寬)以及低漂移。而這些比較好的特性取決于極其優(yōu)異的激光驅(qū)動(dòng)電路。為了實(shí)現(xiàn)激光器更高的穩(wěn)定性，我們同時(shí)可以提供不同種類的激光鎖頻模塊，浙江買低成本可調(diào)諧激光器，可以將線寬壓窄至1Hz的水平，并且可以通過便捷的數(shù)字電路來實(shí)現(xiàn)控制。目前可調(diào)諧激光器已經(jīng)實(shí)現(xiàn)了寬波長(zhǎng)范圍的連續(xù)或準(zhǔn)連續(xù)調(diào)諧。浙江買低成本可調(diào)諧激光器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江買低成本可調(diào)諧激光器,可調(diào)諧激光器" src="https://tyunfile.71360.com/UploadFile/maiqiguangdian/637333648620058594/4486341.png"></div><p style="text-indent:25px">可調(diào)諧激光器隨著價(jià)格降低到略高于甚至持平于固定波長(zhǎng)激光器，技術(shù)和功能得到進(jìn)一步完善（如集成調(diào)制器和波長(zhǎng)鎖定器、提高輸出功率、簡(jiǎn)化電源、規(guī)范接口等），可調(diào)諧激光器極有希望在舊系統(tǒng)升級(jí)更新和新系統(tǒng)建設(shè)中取代固定波長(zhǎng)激光器而獲得規(guī)模應(yīng)用。經(jīng)過1-2年的市場(chǎng)洗禮和技術(shù)發(fā)展，可調(diào)諧激光器目前技術(shù)水平已經(jīng)與固定激光器不相上下，能完全實(shí)現(xiàn)整個(gè)的寬帶調(diào)諧，輸出功率可達(dá)10-20mW，調(diào)諧間隔已達(dá)25GHz，其他主要光譜指標(biāo)和可靠性指標(biāo)均達(dá)到了固定激光器的水平，并進(jìn)一步推出了集成調(diào)制器的光模塊和2.5Gb/s、10Gb/sTransponder，一旦突破價(jià)格門檻，將迅速獲得規(guī)模應(yīng)用，從而取代固定波長(zhǎng)激光器。上海通用可調(diào)諧半導(dǎo)體激光器可調(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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="浙江買低成本可調(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)諧激光器其中前布喇格光柵區(qū)、相位調(diào)整區(qū)和后布喇格光柵區(qū)分別通過不同的電流來改變?cè)搮^(qū)域的分子分布結(jié)構(gòu)，從而改變布喇格光柵的周期特性。對(duì)于在啟動(dòng)區(qū)（Active）產(chǎn)生的光譜，分別在前布喇格光柵區(qū)和后布喇格光柵區(qū)形成頻率分布有較小差異的光譜。對(duì)于需要的特定波長(zhǎng)的激光，可調(diào)諧激光器分別對(duì)前布喇格光柵和后布喇格光柵施加不同電流，使得在這兩個(gè)區(qū)域產(chǎn)生只有此特定波長(zhǎng)重疊其他波長(zhǎng)不重疊的光譜，從而使需要的特定波長(zhǎng)能夠輸出。同時(shí)該種激光器還包含半導(dǎo)體放大器區(qū)，使輸出的特定波長(zhǎng)的激光光功率達(dá)到100mW或者20mW。</p><p style="text-indent:25px">可調(diào)諧激光器功率平坦度的校準(zhǔn)：將可調(diào)諧激光器輸出設(shè)置為較小輸出功率，在整個(gè)工作波長(zhǎng)范圍內(nèi)以一定的波長(zhǎng)間隔(一般為10nm)進(jìn)行調(diào)節(jié)，同時(shí)用光纖功率計(jì)測(cè)量每個(gè)波長(zhǎng)點(diǎn)的輸出功率，連續(xù)測(cè)量n次(n不小于3)，記錄測(cè)量結(jié)果，并根據(jù)下式計(jì)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(zhǔn)：對(duì)光纖功率計(jì)進(jìn)行校零。用光纖功率計(jì)連續(xù)測(cè)量可調(diào)諧激光器的輸出，以一定的時(shí)間間隔記錄一個(gè)小時(shí)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(hào)噪聲比校準(zhǔn)：可調(diào)諧激光器的信號(hào)噪聲比是指其輸出光信號(hào)的峰值功率與其平均噪聲信號(hào)功率之間的比值，可用光譜分析儀宜接進(jìn)行測(cè)量。可調(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="浙江買低成本可調(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)諧激光器的種類和基本組成：我們通常所看見所使用的激光器，多屬固定波長(zhǎng)激光器，即一臺(tái)激光器發(fā)射的激光中，**含有一個(gè)或幾個(gè)固定波長(zhǎng)輸出的激光，如He-Ne氣體激光器發(fā)射632.8nm,1.15um和3.39um波長(zhǎng)的激光;Nd:YAG固體激光器發(fā)射0.91um和1.35um波長(zhǎng)激光。如果激光器輸出的激光波長(zhǎng)，可以在一定波長(zhǎng)范圍內(nèi)(即寬光譜間隔內(nèi))連續(xù)不間斷地改變，就稱這類激光波長(zhǎng)連續(xù)可變的激光器為可調(diào)諧激光器;如果在激光輸出中有多個(gè)波長(zhǎng)可連續(xù)調(diào)諧，則為多波長(zhǎng)可調(diào)諧激光器。世界各公司和研究機(jī)構(gòu)都在積極推進(jìn)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(jìn)展。上海通用可調(diào)諧半導(dǎo)體激光器</p><p style="text-indent:25px">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。浙江買低成本可調(diào)諧激光器</p><p style="text-indent:25px">針對(duì)相干光通信系統(tǒng)對(duì)窄線寬可調(diào)諧激光器的要求,提出并實(shí)際研制了一種基于MEMS(微電子機(jī)械系統(tǒng))技術(shù)的外腔可調(diào)諧激光器,分析了外腔參數(shù)對(duì)激光器性能的影響。該激光器尺寸符合光互聯(lián)論壇關(guān)于ITLA(集成可調(diào)諧激光器組件)的標(biāo)準(zhǔn)01.2,調(diào)諧范圍覆蓋C波段內(nèi)40nm,輸出功率>13dBm,光譜線寬<100kHz。為進(jìn)一步驗(yàn)證器件的性能,使用該激光器作為本振光源,驗(yàn)證了它在基于PM-DQPSK(偏振復(fù)用-四相相移鍵控)的100Gbit/s傳輸系統(tǒng)中的性能,實(shí)驗(yàn)結(jié)果表明,該激光器可作為高速相干光通信系統(tǒng)中窄線寬可調(diào)諧光源的理想選擇。浙江買低成本可調(diào)諧激光器</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2593014.html</p></div></div></div></div></div><div id="yxp2kej" class="page-right twoColRt"><div id="3g8lkmt" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="g7rq2ul" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img 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