光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)件是指(zhi)能(neng)夠(gou)(gou)將光(guang)(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)轉換(huan)(huan)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)號(hao)或者將電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)號(hao)轉換(huan)(huan)成(cheng)(cheng)光(guang)(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)的(de)(de)(de)器(qi)(qi)件。它們(men)廣(guang)(guang)泛(fan)(fan)應(ying)用(yong)于通信(xin)(xin)、計算機、醫(yi)療、能(neng)源和(he)環保等(deng)領域。本文將從光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)件的(de)(de)(de)種(zhong)(zhong)(zhong)類、原理和(he)應(ying)用(yong)三個方面(mian)進(jin)行論述。根(gen)據(ju)其功能(neng)和(he)結(jie)(jie)(jie)構特點，光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)(qi)件可以分(fen)為多(duo)(duo)種(zhong)(zhong)(zhong)類型，以下是其中的(de)(de)(de)幾種(zhong)(zhong)(zhong)：1、光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二極(ji)管(guan)（Photodiode）光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二極(ji)管(guan)是一(yi)(yi)種(zhong)(zhong)(zhong)將光(guang)(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)轉換(huan)(huan)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)號(hao)的(de)(de)(de)器(qi)(qi)件，它的(de)(de)(de)結(jie)(jie)(jie)構類似于普通二極(ji)管(guan)，但(dan)是在PN結(jie)(jie)(jie)上添加了(le)一(yi)(yi)層高摻(chan)雜的(de)(de)(de)區(qu)域。當光(guang)(guang)(guang)(guang)(guang)照(zhao)射(she)到(dao)PN結(jie)(jie)(jie)時，會(hui)產生(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)子-空穴對，這些載流子會(hui)被PN結(jie)(jie)(jie)產生(sheng)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)場分(fen)離，從而(er)(er)產生(sheng)電(dian)(dian)(dian)(dian)(dian)(dian)流。光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二極(ji)管(guan)廣(guang)(guang)泛(fan)(fan)應(ying)用(yong)于光(guang)(guang)(guang)(guang)(guang)通信(xin)(xin)、光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)測(ce)量等(deng)領域。2、光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)器(qi)(qi)（Photodetector）光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)器(qi)(qi)是一(yi)(yi)種(zhong)(zhong)(zhong)能(neng)夠(gou)(gou)將光(guang)(guang)(guang)(guang)(guang)信(xin)(xin)號(hao)轉換(huan)(huan)成(cheng)(cheng)電(dian)(dian)(dian)(dian)(dian)(dian)信(xin)(xin)號(hao)的(de)(de)(de)器(qi)(qi)件，它的(de)(de)(de)結(jie)(jie)(jie)構和(he)光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)二極(ji)管(guan)類似，但(dan)是在其PN結(jie)(jie)(jie)上添加了(le)更(geng)多(duo)(duo)的(de)(de)(de)高摻(chan)雜層，從而(er)(er)提高了(le)其靈(ling)敏度(du)和(he)響(xiang)應(ying)速度(du)。光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)探測(ce)器(qi)(qi)廣(guang)(guang)泛(fan)(fan)應(ying)用(yong)于光(guang)(guang)(guang)(guang)(guang)通信(xin)(xin)、光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)測(ce)量、太(tai)陽能(neng)電(dian)(dian)(dian)(dian)(dian)(dian)池等(deng)領域。重慶(qing)多(duo)(duo)功能(neng)光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)生(sheng)產廠家推薦成(cheng)(cheng)都意科科技有限責(ze)任公司。深圳微安光(guang)(guang)(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)(dian)放(fang)大(da)器(qi)(qi)

光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)二(er)極(ji)管重(zhong)(zhong)要的(de)特性是。響應性，即每(mei)單(dan)位光(guang)(guang)(guang)功率的(de)光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)流(liu) - 與(yu)量(liang)子效率有(you)關(guan)，取決于波(bo)長有(you)源區，即光(guang)(guang)(guang)敏(min)區擊(ji)穿電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，為可(ke)(ke)用的(de)偏置電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)設(she)定一個限制允(yun)許的(de)光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)流(liu)（通(tong)(tong)(tong)常(chang)受飽和限制，在(zai)高偏置電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)下可(ke)(ke)能(neng)更低）。暗(an)電(dian)(dian)(dian)(dian)(dian)流(liu)（在(zai)光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)導模式下，取決于偏置電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，對檢(jian)測低光(guang)(guang)(guang)水(shui)平(ping)很(hen)重(zhong)(zhong)要）。速度，即帶寬(kuan)（見(jian)下文），與(yu)上升和下降(jiang)時間有(you)關(guan)，常(chang)常(chang)受電(dian)(dian)(dian)(dian)(dian)容量(liang)的(de)影響。其他的(de)數(shu)量(liang)也可(ke)(ke)能(neng)是有(you)意義的(de)。當(dang)施加偏置電(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)時，通(tong)(tong)(tong)常(chang)相當(dang)高的(de)分流(liu)電(dian)(dian)(dian)(dian)(dian)阻會(hui)貢獻(xian)一個小(xiao)電(dian)(dian)(dian)(dian)(dian)流(liu)。它還貢獻(xian)了(le)一些熱噪聲電(dian)(dian)(dian)(dian)(dian)流(liu)，這在(zai)某些情況下限制了(le)靈敏(min)度。通(tong)(tong)(tong)常(chang)較小(xiao)的(de)串(chuan)聯電(dian)(dian)(dian)(dian)(dian)阻會(hui)造(zao)成(cheng)與(yu)光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)流(liu)成(cheng)比例的(de)額外壓(ya)(ya)降(jiang)，也會(hui)在(zai)一定程度上造(zao)成(cheng)檢(jian)測噪聲。綿陽飛安光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)發射管可(ke)(ke)見(jian)光(guang)(guang)(guang)光(guang)(guang)(guang)電(dian)(dian)(dian)(dian)(dian)生產廠(chang)家推薦(jian)成(cheng)都意科(ke)科(ke)技有(you)限責任公司。

光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)的(de)(de)(de)性能參(can)數是評價光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)性能的(de)(de)(de)重要(yao)(yao)指標，常見的(de)(de)(de)性能參(can)數包括光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv)、響(xiang)(xiang)(xiang)應(ying)(ying)時(shi)(shi)間、光(guang)(guang)(guang)譜響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei)等。·光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv):光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv)是指光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)將光(guang)(guang)(guang)能轉(zhuan)(zhuan)換(huan)為(wei)電(dian)能的(de)(de)(de)效(xiao)率(lv)(lv)(lv)。對(dui)于太陽(yang)(yang)能電(dian)池(chi)來說，光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv)越(yue)高，太陽(yang)(yang)能電(dian)池(chi)的(de)(de)(de)發電(dian)能力(li)就(jiu)越(yue)強。光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv)的(de)(de)(de)計(ji)算公式為(wei):光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)效(xiao)率(lv)(lv)(lv)=輸(shu)(shu)出光(guang)(guang)(guang)功率(lv)(lv)(lv)Ⅰ輸(shu)(shu)入光(guang)(guang)(guang)功率(lv)(lv)(lv)。·響(xiang)(xiang)(xiang)應(ying)(ying)時(shi)(shi)間:響(xiang)(xiang)(xiang)應(ying)(ying)時(shi)(shi)間是指光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)從接收光(guang)(guang)(guang)信(xin)號(hao)到產生電(dian)信(xin)號(hao)的(de)(de)(de)時(shi)(shi)間。響(xiang)(xiang)(xiang)應(ying)(ying)時(shi)(shi)間越(yue)短(duan)，光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)的(de)(de)(de)響(xiang)(xiang)(xiang)應(ying)(ying)速度就(jiu)越(yue)快(kuai)，適(shi)用(yong)于對(dui)光(guang)(guang)(guang)信(xin)號(hao)變(bian)化要(yao)(yao)求較(jiao)高的(de)(de)(de)應(ying)(ying)用(yong)場景。·光(guang)(guang)(guang)譜響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei):光(guang)(guang)(guang)譜響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei)是指光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)對(dui)光(guang)(guang)(guang)信(xin)號(hao)的(de)(de)(de)響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei)。不(bu)同(tong)類型的(de)(de)(de)光(guang)(guang)(guang)電(dian)轉(zhuan)(zhuan)換(huan)器(qi)對(dui)光(guang)(guang)(guang)信(xin)號(hao)的(de)(de)(de)響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei)有(you)所差異，例(li)如太陽(yang)(yang)能電(dian)池(chi)對(dui)可見光(guang)(guang)(guang)和(he)紅外光(guang)(guang)(guang)的(de)(de)(de)響(xiang)(xiang)(xiang)應(ying)(ying)范(fan)(fan)圍(wei)較(jiao)廣。

雪(xue)(xue)崩(beng)光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)極(ji)管(guan)操作可以(yi)(yi)完全(quan)在(zai)(zai)耗(hao)盡模(mo)式下(xia)(xia)完成。但是(shi)，除(chu)了(le)線(xian)性雪(xue)(xue)崩(beng)模(mo)式之外，它(ta)們還(huan)可以(yi)(yi)在(zai)(zai)蓋革(ge)模(mo)式下(xia)(xia)工(gong)作。在(zai)(zai)這(zhe)種(zhong)工(gong)作模(mo)式下(xia)(xia)，光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)極(ji)管(guan)可以(yi)(yi)在(zai)(zai)上述擊穿電(dian)(dian)(dian)壓下(xia)(xia)工(gong)作。目前正在(zai)(zai)推(tui)出(chu)另一種(zhong)模(mo)式，即(ji)“亞蓋革(ge)模(mo)式”。在(zai)(zai)光(guang)(guang)(guang)(guang)纖通(tong)信(xin)(xin) (OFC) 系(xi)統(tong)中，雪(xue)(xue)崩(beng)光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)極(ji)管(guan)通(tong)常用于弱(ruo)信(xin)(xin)號(hao)的(de)識(shi)別，但電(dian)(dian)(dian)路需要進行足(zu)夠(gou)的(de)優(you)化以(yi)(yi)實(shi)現(xian)高(gao)(gao)信(xin)(xin)噪(zao)比(bi) (S/N)。這(zhe)里，SNR 是(shi)為了(le)獲(huo)得完美的(de)信(xin)(xin)噪(zao)比(bi)，量子效率應該很高(gao)(gao)，因為這(zhe)個(ge)值幾乎是(shi)最大(da)值，所以(yi)(yi)大(da)部分信(xin)(xin)號(hao)都被(bei)注意到了(le)。雪(xue)(xue)崩(beng)光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)極(ji)管(guan)是(shi)高(gao)(gao)度靈敏(min)、基于高(gao)(gao)速的(de)二(er)(er)極(ji)管(guan)，它(ta)通(tong)過施加(jia)反向電(dian)(dian)(dian)壓來工(gong)作的(de)內部增益方法。與(yu) PIN 型光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)二(er)(er)極(ji)管(guan)相比(bi)，這(zhe)些二(er)(er)極(ji)管(guan)測量低范(fan)圍光(guang)(guang)(guang)(guang)，因此用于需要高(gao)(gao)靈敏(min)度不同的(de)應用中，如光(guang)(guang)(guang)(guang)距(ju)(ju)離測量和遠距(ju)(ju)離光(guang)(guang)(guang)(guang)通(tong)信(xin)(xin)。重(zhong)慶微安光(guang)(guang)(guang)(guang)電(dian)(dian)(dian)生產廠(chang)家推(tui)薦成都意科科技(ji)有限責任公(gong)司。

與其(qi)(qi)他(ta)光(guang)(guang)電(dian)(dian)(dian)二(er)極管(guan)相比，雪(xue)崩(beng)(beng)光(guang)(guang)電(dian)(dian)(dian)二(er)極管(guan)在(zai)高(gao)反向偏置條(tiao)件下工(gong)作。因此，通(tong)過光(guang)(guang)撞擊或光(guang)(guang)子形成(cheng)的(de)電(dian)(dian)(dian)荷(he)(he)載(zai)(zai)流子使雪(xue)崩(beng)(beng)倍(bei)增(zeng)。雪(xue)崩(beng)(beng)作用可使光(guang)(guang)電(dian)(dian)(dian)二(er)極管(guan)的(de)增(zeng)益提高(gao)數倍(bei)，以提供高(gao)靈敏度范(fan)圍。雪(xue)崩(beng)(beng)擊穿主要發(fa)生(sheng)(sheng)在(zai)光(guang)(guang)電(dian)(dian)(dian)二(er)極管(guan)承受最大反向電(dian)(dian)(dian)壓時(shi)，該電(dian)(dian)(dian)壓增(zeng)強了耗盡層之(zhi)外的(de)電(dian)(dian)(dian)場。當入射(she)光(guang)(guang)穿透 p+ 區(qu)域時(shi)，它會(hui)在(zai)電(dian)(dian)(dian)阻極大的(de) p 區(qu)域內被(bei)吸收(shou)，然后(hou)生(sheng)(sheng)成(cheng)電(dian)(dian)(dian)子-空穴(xue)對(dui)(dui)。只要存在(zai)高(gao)電(dian)(dian)(dian)場，電(dian)(dian)(dian)荷(he)(he)載(zai)(zai)流子包括其(qi)(qi)飽和(he)速度就會(hui)漂移到 pn+ 區(qu)域。當速度高(gao)時(shi)，載(zai)(zai)流子將(jiang)通(tong)過其(qi)(qi)他(ta)原子碰撞并產(chan)生(sheng)(sheng)新的(de)電(dian)(dian)(dian)子-空穴(xue)對(dui)(dui)，巨大的(de)電(dian)(dian)(dian)荷(he)(he)載(zai)(zai)流子對(dui)(dui)將(jiang)導致高(gao)光(guang)(guang)電(dian)(dian)(dian)流。索雷博光(guang)(guang)電(dian)(dian)(dian)生(sheng)(sheng)產(chan)廠家推薦成(cheng)都(dou)意科(ke)科(ke)技有限責任公司。綿陽小信號光(guang)(guang)電(dian)(dian)(dian)發(fa)射(she)管(guan)

深(shen)圳高速光(guang)電(dian)生產廠家推薦(jian)成(cheng)都意科科技有限(xian)責任公司。深(shen)圳微(wei)安(an)光(guang)電(dian)放大器

激光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)和發(fa)光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)的區(qu)別(bie)激光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)和發(fa)光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)都是(shi)(shi)使(shi)用(yong)的半導體材(cai)料發(fa)光(guang)，且從名字上看(kan)，雖然(ran)兩者很相(xiang)似(si)，但它們之間更多的是(shi)(shi)不(bu)同點。1、定義區(qu)別(bie)激光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)是(shi)(shi)半導體激光(guang)器，英(ying)文是(shi)(shi)Laser Diode，縮寫LD。發(fa)光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)是(shi)(shi)我們常(chang)說(shuo)的LED，是(shi)(shi)常(chang)見的照明、顯示器件。2、原(yuan)理(li)區(qu)別(bie)激光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)產生激光(guang)是(shi)(shi)通過受激輻射原(yuan)理(li)。發(fa)光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)發(fa)光(guang)是(shi)(shi)自發(fa)輻射原(yuan)理(li) 。3、光(guang)質量(liang)區(qu)別(bie)激光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)的光(guang)能(neng)量(liang)聚集、傳輸(shu)方向準直、單色性好、相(xiang)干(gan)性強。發(fa)光(guang)二(er)(er)極(ji)管(guan)(guan)(guan)光(guang)能(neng)量(liang)發(fa)散、傳輸(shu)方向不(bu)同。深圳微安(an)光(guang)電放大器