發(fa)射端主要(yao)包括激光(guang)器(qi)(qi)和光(guang)調(diao)制器(qi)(qi)。可以看出激光(guang)器(qi)(qi)發(fa)出的(de)(de)連續光(guang)經(jing)(jing)過光(guang)偏(pian)振分束(shu)(shu)器(qi)(qi)（PBS）之后(hou)分成上下兩路(lu)正(zheng)(zheng)交(jiao)偏(pian)振的(de)(de)光(guang)。在(zai)相同傳(chuan)(chuan)輸帶(dai)寬(kuan)的(de)(de)情況(kuang)下，利用(yong)光(guang)的(de)(de)這種正(zheng)(zheng)交(jiao)偏(pian)振態來(lai)傳(chuan)(chuan)輸數據，能夠使(shi)傳(chuan)(chuan)輸數據速率(lv)翻倍，提高(gao)了傳(chuan)(chuan)輸系(xi)統的(de)(de)頻帶(dai)利用(yong)率(lv)。然后(hou)產生的(de)(de)兩路(lu)正(zheng)(zheng)交(jiao)偏(pian)振光(guang)束(shu)(shu)分別進(jin)入(ru)I/Q調(diao)制器(qi)(qi)的(de)(de)馬赫-增德爾(er)調(diao)制器(qi)(qi)（MZM），在(zai)直流偏(pian)置電壓的(de)(de)驅動(dong)下，將(jiang)信(xin)號(hao)(hao)調(diao)制到光(guang)載波上，調(diao)制完成的(de)(de)兩路(lu)正(zheng)(zheng)交(jiao)偏(pian)振光(guang)信(xin)號(hao)(hao)再(zai)經(jing)(jing)過偏(pian)振合(he)(he)束(shu)(shu)器(qi)(qi)（PBC）耦合(he)(he)成一路(lu)光(guang)信(xin)號(hao)(hao)，再(zai)將(jiang)輸出的(de)(de)光(guang)信(xin)號(hao)(hao)發(fa)射入(ru)光(guang)纖信(xin)道(dao)進(jin)行(xing)傳(chuan)(chuan)輸。插入(ru)損耗是光(guang)傳(chuan)(chuan)輸系(xi)統中(zhong)波分復用(yong)器(qi)(qi)(WDM)插入(ru)引起(qi)的(de)(de)衰減。深圳偏(pian)振分束(shu)(shu)器(qi)(qi)光(guang)纖器(qi)(qi)件(jian)聯(lian)系(xi)人

波(bo)(bo)長(chang)(chang)(chang)(chang)轉(zhuan)換(huan)(huan)全(quan)光(guang)(guang)(guang)(guang)波(bo)(bo)長(chang)(chang)(chang)(chang)轉(zhuan)換(huan)(huan)模(mo)塊在接入(ru)端應用(yong)是對從路(lu)由器(qi)(qi)或(huo)其(qi)它(ta)(ta)設(she)備來(lai)的(de)(de)光(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)(hao)進(jin)行轉(zhuan)換(huan)(huan)，將非(fei)匹配(pei)波(bo)(bo)長(chang)(chang)(chang)(chang)上的(de)(de)光(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)(hao)轉(zhuan)換(huan)(huan)到符合(he)(he)ITU規定的(de)(de)標準(zhun)波(bo)(bo)長(chang)(chang)(chang)(chang)上然后插入(ru)到光(guang)(guang)(guang)(guang)耦合(he)(he)器(qi)(qi)中(zhong)(zhong)(zhong)(zhong)；而(er)(er)當它(ta)(ta)用(yong)于波(bo)(bo)長(chang)(chang)(chang)(chang)交(jiao)(jiao)換(huan)(huan)節點(dian)時，它(ta)(ta)對光(guang)(guang)(guang)(guang)通路(lu)進(jin)行交(jiao)(jiao)換(huan)(huan)和執(zhi)行波(bo)(bo)長(chang)(chang)(chang)(chang)重用(yong)功能，因此(ci)它(ta)(ta)在波(bo)(bo)長(chang)(chang)(chang)(chang)路(lu)由全(quan)光(guang)(guang)(guang)(guang)網中(zhong)(zhong)(zhong)(zhong)有著(zhu)非(fei)常巨(ju)大的(de)(de)作(zuo)用(yong)。寬帶透明性(xing)和快速響(xiang)應是波(bo)(bo)長(chang)(chang)(chang)(chang)轉(zhuan)換(huan)(huan)器(qi)(qi)的(de)(de)基(ji)本(ben)要(yao)求。在全(quan)光(guang)(guang)(guang)(guang)波(bo)(bo)長(chang)(chang)(chang)(chang)交(jiao)(jiao)換(huan)(huan)的(de)(de)多(duo)種(zhong)（包括(kuo)交(jiao)(jiao)叉(cha)增(zeng)益調制、交(jiao)(jiao)叉(cha)相位調制、四波(bo)(bo)混頻(pin)、非(fei)線性(xing)光(guang)(guang)(guang)(guang)學環鏡）技術(shu)中(zhong)(zhong)(zhong)(zhong)，較有前途的(de)(de)全(quan)光(guang)(guang)(guang)(guang)轉(zhuan)發器(qi)(qi)是在半導(dao)體光(guang)(guang)(guang)(guang)放大器(qi)(qi)（SOAs）中(zhong)(zhong)(zhong)(zhong)基(ji)于交(jiao)(jiao)叉(cha)相位調制原理集(ji)成(cheng)進(jin)Mach-Zehnder干(gan)(gan)涉(she)儀(yi)（MZI）或(huo)Michelson干(gan)(gan)涉(she)儀(yi)（MI）而(er)(er)構成(cheng)的(de)(de)帶波(bo)(bo)長(chang)(chang)(chang)(chang)轉(zhuan)換(huan)(huan)器(qi)(qi)，它(ta)(ta)被(bei)公認為是實現高速、大容量光(guang)(guang)(guang)(guang)網絡(luo)中(zhong)(zhong)(zhong)(zhong)波(bo)(bo)長(chang)(chang)(chang)(chang)轉(zhuan)換(huan)(huan)的(de)(de)理想方案。廣(guang)東MZM發射(she)機(ji)光(guang)(guang)(guang)(guang)纖器(qi)(qi)件價格對比WDM是將一(yi)系列載有信(xin)(xin)息、但(dan)波(bo)(bo)長(chang)(chang)(chang)(chang)不(bu)同的(de)(de)光(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)(hao)合(he)(he)成(cheng)一(yi)束(shu)，沿著(zhu)單根光(guang)(guang)(guang)(guang)纖傳輸。

消(xiao)偏(pian)(pian)(pian)器(qi)(qi)(qi)的(de)(de)工作方式為：將輸入(ru)光(guang)束分(fen)成兩(liang)個功率相(xiang)等的(de)(de)正交(jiao)(jiao)偏(pian)(pian)(pian)振(zhen)光(guang)束，使其中(zhong)一個光(guang)束相(xiang)對于另(ling)一個光(guang)束延(yan)(yan)遲(chi)，然后使用偏(pian)(pian)(pian)振(zhen)合束器(qi)(qi)(qi)將兩(liang)個光(guang)束重新組(zu)合。正交(jiao)(jiao)偏(pian)(pian)(pian)振(zhen)光(guang)束之間的(de)(de)相(xiang)對延(yan)(yan)遲(chi)大于光(guang)源的(de)(de)相(xiang)干長度，從而在重新組(zu)合兩(liang)個光(guang)束時消(xiao)除(chu)它們之間的(de)(de)固定(ding)相(xiang)位關系。光(guang)纖(xian)消(xiao)偏(pian)(pian)(pian)器(qi)(qi)(qi)可以明顯(xian)地減少偏(pian)(pian)(pian)振(zhen)相(xiang)關損耗(PDL)在偏(pian)(pian)(pian)振(zhen)敏感光(guang)學組(zu)件和(he)儀器(qi)(qi)(qi)中(zhong)的(de)(de)影響，并(bing)且可用于消(xiao)偏(pian)(pian)(pian)振(zhen)泵浦激光(guang)器(qi)(qi)(qi)，以消(xiao)除(chu)拉(la)曼(man)放大器(qi)(qi)(qi)的(de)(de)偏(pian)(pian)(pian)振(zhen)靈敏度。其特點有：低偏(pian)(pian)(pian)振(zhen)度（Dop）<5%，低回損，寬波長工作范圍。

光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)器(qi)件(jian)(jian)(jian)(jian)有(you)光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)型(xing)、棒透(tou)(tou)(tou)鏡(jing)型(xing)和平面型(xing)等結構(gou)。光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)型(xing)器(qi)件(jian)(jian)(jian)(jian)是(shi)光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)經(jing)過研磨拋(pao)光(guang)(guang)(guang)(guang)、熱(re)熔拉錐或鍍膜等工藝(yi)制成(cheng)(cheng)的(de)(de)(de)。加(jia)工較(jiao)為簡便(bian)，無(wu)需特(te)殊材料，因而成(cheng)(cheng)本(ben)較(jiao)低。棒透(tou)(tou)(tou)鏡(jing)型(xing)器(qi)件(jian)(jian)(jian)(jian)是(shi)用(yong)(yong)棒透(tou)(tou)(tou)鏡(jing)或配以(yi)必(bi)要的(de)(de)(de)其他微光(guang)(guang)(guang)(guang)學元件(jian)(jian)(jian)(jian)制成(cheng)(cheng)。棒透(tou)(tou)(tou)鏡(jing)是(shi)橫斷面折射(she)率(lv)呈拋(pao)物型(xing)分布、對傳輸(shu)光(guang)(guang)(guang)(guang)束有(you)自聚焦(jiao)(jiao)作(zuo)用(yong)(yong)的(de)(de)(de)圓柱(zhu)形(xing)透(tou)(tou)(tou)鏡(jing)，又稱自聚焦(jiao)(jiao)透(tou)(tou)(tou)鏡(jing)（圖1）。這(zhe)種透(tou)(tou)(tou)鏡(jing)的(de)(de)(de)特(te)點是(shi)焦(jiao)(jiao)距小、數值孔徑大(da)、像(xiang)差(cha)小、加(jia)工和連(lian)接方便(bian)、調準容易。由兩(liang)根長(chang)度為1/4節距的(de)(de)(de)棒透(tou)(tou)(tou)鏡(jing)所構(gou)成(cheng)(cheng)的(de)(de)(de)準直-聚焦(jiao)(jiao)平行光(guang)(guang)(guang)(guang)路適用(yong)(yong)于多種光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)器(qi)件(jian)(jian)(jian)(jian)。平面型(xing)器(qi)件(jian)(jian)(jian)(jian)以(yi)鈮酸鋰等作(zuo)襯底(di)材料，用(yong)(yong)集成(cheng)(cheng)電路工藝(yi)制成(cheng)(cheng)。其特(te)點是(shi)體積小、抗(kang)外界干擾性(xing)能好，是(shi)集成(cheng)(cheng)光(guang)(guang)(guang)(guang)學器(qi)件(jian)(jian)(jian)(jian)的(de)(de)(de)一種初級形(xing)式，又稱薄膜光(guang)(guang)(guang)(guang)波導(dao)無(wu)源器(qi)件(jian)(jian)(jian)(jian)。保偏光(guang)(guang)(guang)(guang)纖(xian)(xian)(xian)耦合器(qi)的(de)(de)(de)比較(jiao)大(da)特(te)點在(zai)于能穩定地傳輸(shu)兩(liang)個正(zheng)交的(de)(de)(de)線偏振(zhen)光(guang)(guang)(guang)(guang)，并能保持各自的(de)(de)(de)偏振(zhen)態不(bu)變。

光(guang)(guang)(guang)(guang)定向(xiang)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)使光(guang)(guang)(guang)(guang)路(lu)之(zhi)間(jian)按(an)比(bi)例實現能(neng)量(liang)耦(ou)(ou)(ou)(ou)(ou)合(he),且(qie)分(fen)光(guang)(guang)(guang)(guang)路(lu)線與(yu)傳輸方向(xiang)有(you)關(guan)，可作成(cheng)三端口(kou)或四端口(kou)器(qi)(qi)件(jian)。根據(ju)結構和(he)工藝的(de)(de)(de)不同(tong)，可分(fen)為(wei)拼接式(shi)、拉錐式(shi)、棱鏡式(shi)、平(ping)面式(shi)等（圖3）。光(guang)(guang)(guang)(guang)定向(xiang)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)的(de)(de)(de)主(zhu)要參數是插入損耗、分(fen)光(guang)(guang)(guang)(guang)比(bi)和(he)隔離度。主(zhu)要用(yong)于(yu)(yu)單線雙向(xiang)傳輸及數據(ju)網(wang)等。星(xing)(xing)形(xing)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)使一(yi)個(ge)(ge)或幾(ji)個(ge)(ge)光(guang)(guang)(guang)(guang)路(lu)中的(de)(de)(de)光(guang)(guang)(guang)(guang)能(neng)耦(ou)(ou)(ou)(ou)(ou)合(he)到同(tong)一(yi)邊(bian)(或另(ling)一(yi)邊(bian))一(yi)個(ge)(ge)或幾(ji)個(ge)(ge)光(guang)(guang)(guang)(guang)路(lu)中的(de)(de)(de)近似星(xing)(xing)形(xing)器(qi)(qi)件(jian)。將能(neng)量(liang)耦(ou)(ou)(ou)(ou)(ou)合(he)到同(tong)一(yi)邊(bian)光(guang)(guang)(guang)(guang)路(lu)的(de)(de)(de)稱為(wei)反射式(shi)星(xing)(xing)形(xing)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)；將能(neng)量(liang)耦(ou)(ou)(ou)(ou)(ou)合(he)到另(ling)一(yi)邊(bian)光(guang)(guang)(guang)(guang)路(lu)的(de)(de)(de)稱非反射式(shi)星(xing)(xing)形(xing)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)。按(an)其(qi)對稱性又可分(fen)為(wei)1×n型和(he)n×n型等。按(an)結構與(yu)工藝的(de)(de)(de)不同(tong)，星(xing)(xing)形(xing)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)可分(fen)為(wei)拉錐式(shi)、攪(jiao)模(mo)棒式(shi)等（圖4）。星(xing)(xing)形(xing)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)的(de)(de)(de)主(zhu)要參數與(yu)光(guang)(guang)(guang)(guang)定向(xiang)耦(ou)(ou)(ou)(ou)(ou)合(he)器(qi)(qi)相同(tong)。它(ta)主(zhu)要用(yong)于(yu)(yu)星(xing)(xing)形(xing)光(guang)(guang)(guang)(guang)纖網(wang)絡。也有(you)用(yong)兩段(duan)光(guang)(guang)(guang)(guang)纖對接時的(de)(de)(de)耦(ou)(ou)(ou)(ou)(ou)合(he)損耗來制(zhi)成(cheng)衰減器(qi)(qi)的(de)(de)(de)。廣東IQ發射機光(guang)(guang)(guang)(guang)纖器(qi)(qi)件(jian)聯系人

在(zai)同(tong)一根光(guang)(guang)(guang)纖中同(tong)時讓兩(liang)個或兩(liang)個以上的光(guang)(guang)(guang)波長信(xin)號通過不同(tong)光(guang)(guang)(guang)信(xin)道各(ge)自傳輸信(xin)息的技(ji)術稱之為波分(fen)復用(yong)技(ji)術。深(shen)圳(zhen)偏振分(fen)束器光(guang)(guang)(guang)纖器件聯系人

保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)是指纖(xian)(xian)(xian)(xian)(xian)維(wei)通(tong)(tong)過(guo)在(zai)(zai)(zai)纖(xian)(xian)(xian)(xian)(xian)維(wei)芯(xin)內(nei)引(yin)(yin)起(qi)雙折(zhe)射而起(qi)作用(yong)(yong)，意思是指光(guang)(guang)通(tong)(tong)過(guo)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)傳播的(de)(de)常(chang)數(shu)的(de)(de)差(cha)異，用(yong)(yong)于兩(liang)個垂直偏(pian)(pian)振，通(tong)(tong)過(guo)形成(cheng)非圓形纖(xian)(xian)(xian)(xian)(xian)維(wei)芯(xin)或通(tong)(tong)過(guo)在(zai)(zai)(zai)應力施加部件下在(zai)(zai)(zai)纖(xian)(xian)(xian)(xian)(xian)維(wei)內(nei)引(yin)(yin)起(qi)恒定應力，在(zai)(zai)(zai)保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)內(nei)產生(sheng)雙折(zhe)射，這種雙折(zhe)射打(da)破了(le)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)中(zhong)的(de)(de)圓形對稱(cheng)性，在(zai)(zai)(zai)飛(fei)速(su)(FS)保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)中(zhong)產生(sheng)了(le)兩(liang)個主(zhu)要(yao)(yao)的(de)(de)透(tou)射軸，分(fen)別被稱(cheng)為(wei)(wei)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)的(de)(de)快(kuai)軸和(he)慢(man)軸。保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)一般(ban)應用(yong)(yong)在(zai)(zai)(zai)特殊場景里，如光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)傳感(gan)器(qi)(qi)、光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)陀螺、光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)水(shui)聽(ting)器(qi)(qi)、光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)電流傳感(gan)器(qi)(qi)和(he)保(bao)(bao)(bao)偏(pian)(pian)波分(fen)復用(yong)(yong)器(qi)(qi)。它們也常(chang)用(yong)(yong)在(zai)(zai)(zai)源激光(guang)(guang)器(qi)(qi)和(he)調制器(qi)(qi)之間的(de)(de)連接(jie)，因為(wei)(wei)調制器(qi)(qi)需要(yao)(yao)偏(pian)(pian)振光(guang)(guang)作為(wei)(wei)輸入。保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)幾乎(hu)不(bu)會(hui)用(yong)(yong)于長距(ju)離傳輸，因為(wei)(wei)保(bao)(bao)(bao)偏(pian)(pian)(PM)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)跳(tiao)(tiao)線(xian)(xian)價格昂貴并且具有比單模光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)的(de)(de)衰減更高。深(shen)圳(zhen)偏(pian)(pian)振分(fen)束(shu)器(qi)(qi)光(guang)(guang)纖(xian)(xian)(xian)(xian)(xian)器(qi)(qi)件聯系人

深圳(zhen)市(shi)飛博(bo)(bo)(bo)光(guang)電科(ke)技(ji)有(you)限(xian)公司成立(li)于2018-09-30，同(tong)時啟動了以(yi)飛博(bo)(bo)(bo)光(guang)電為(wei)(wei)主的(de)(de)(de)激光(guang)光(guang)源(yuan)，光(guang)放(fang)大器(qi)，射頻(pin)放(fang)大器(qi)，光(guang)電探測器(qi)產(chan)業布(bu)局。深圳(zhen)市(shi)飛博(bo)(bo)(bo)光(guang)電經營業績(ji)遍(bian)布(bu)國內諸多地區(qu)地區(qu)，業務(wu)布(bu)局涵蓋(gai)激光(guang)光(guang)源(yuan)，光(guang)放(fang)大器(qi)，射頻(pin)放(fang)大器(qi)，光(guang)電探測器(qi)等板塊。我們在(zai)發展業務(wu)的(de)(de)(de)同(tong)時，進一(yi)步推動了品(pin)(pin)牌價值(zhi)完善。隨著業務(wu)能(neng)(neng)力(li)的(de)(de)(de)增長，以(yi)及品(pin)(pin)牌價值(zhi)的(de)(de)(de)提升(sheng)，也逐漸形成通(tong)信產(chan)品(pin)(pin)綜合一(yi)體(ti)化能(neng)(neng)力(li)。值(zhi)得一(yi)提的(de)(de)(de)是，深圳(zhen)市(shi)飛博(bo)(bo)(bo)光(guang)電致力(li)于為(wei)(wei)用(yong)戶帶去更為(wei)(wei)定向、專業的(de)(de)(de)通(tong)信產(chan)品(pin)(pin)一(yi)體(ti)化解決方案，在(zai)有(you)效降低(di)用(yong)戶成本的(de)(de)(de)同(tong)時，更能(neng)(neng)憑(ping)借科(ke)學的(de)(de)(de)技(ji)術讓用(yong)戶極大限(xian)度地挖掘飛博(bo)(bo)(bo)光(guang)電的(de)(de)(de)應用(yong)潛能(neng)(neng)。

本文來自宜興市恒(heng)通風機(ji)有(you)限(xian)公司(si)：//vijoo.com.cn/Article/60d75499185.html