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隨著超(chao)微(wei)型(xing)光譜(pu)儀(yi)(yi)應用(yong)(yong)測(ce)(ce)(ce)量(liang)(liang)(liang)系統(tong)的(de)不斷拓(tuo)展，其快速分析(xi)(xi)及便攜式實(shi)時(shi)應用(yong)(yong)的(de)優勢逐漸(jian)顯現(xian)出來，光譜(pu)分析(xi)(xi)技(ji)術正逐步從實(shi)驗室(shi)分析(xi)(xi)走(zou)向(xiang)現(xian)場實(shi)時(shi)檢測(ce)(ce)(ce)。依據現(xian)階段(duan)實(shi)際應用(yong)(yong)現(xian)狀，微(wei)型(xing)光纖(xian)光譜(pu)儀(yi)(yi)在(zai)以下領(ling)域得(de)到廣(guang)泛的(de)應用(yong)(yong)。透射(she)吸(xi)收測(ce)(ce)(ce)量(liang)(liang)(liang)：透射(she)吸(xi)收測(ce)(ce)(ce)量(liang)(liang)(liang)用(yong)(yong)于測(ce)(ce)(ce)定(ding)液體(ti)或氣體(ti)中介質對作(zuo)用(yong)(yong)光的(de)吸(xi)收，依據比(bi)耳(er)定(ding)律，吸(xi)光度(du)正比(bi)于摩(mo)爾吸(xi)收率、光程和(he)樣品介質濃度(du)。反射(she)測(ce)(ce)(ce)量(liang)(liang)(liang)：反射(she)測(ce)(ce)(ce)量(liang)(liang)(liang)方式分為(wei)鏡面(mian)反射(she)和(he)漫反射(she)測(ce)(ce)(ce)量(liang)(liang)(liang)，在(zai)實(shi)際測(ce)(ce)(ce)量(liang)(liang)(liang)中，可以采用(yong)(yong)不同的(de)參考白板和(he)測(ce)(ce)(ce)量(liang)(liang)(liang)角度(du)來進(jin)行區(qu)分。反射(she)測(ce)(ce)(ce)量(liang)(liang)(liang)用(yong)(yong)于測(ce)(ce)(ce)定(ding)樣品的(de)化學(xue)成分及表面(mian)顏色相關信息(xi)。發...
查看全文多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)在(zai)給(gei)定的(de)(de)(de)(de)(de)(de)工作波長(chang)上(shang)傳(chuan)(chuan)輸多(duo)(duo)種模(mo)(mo)(mo)(mo)(mo)式的(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)纖(xian)(xian)。按其折射(she)率的(de)(de)(de)(de)(de)(de)分布分為(wei)(wei)(wei)(wei)突變(bian)型和(he)(he)漸變(bian)型。普通(tong)(tong)多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)的(de)(de)(de)(de)(de)(de)數值孔徑(jing)(jing)為(wei)(wei)(wei)(wei)0.2±0.02，芯徑(jing)(jing)/外徑(jing)(jing)為(wei)(wei)(wei)(wei)50μm/125μnu其傳(chuan)(chuan)輸參數為(wei)(wei)(wei)(wei)帶(dai)寬(kuan)和(he)(he)損耗。由于多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)中傳(chuan)(chuan)輸的(de)(de)(de)(de)(de)(de)模(mo)(mo)(mo)(mo)(mo)式多(duo)(duo)達數百個，各個模(mo)(mo)(mo)(mo)(mo)式的(de)(de)(de)(de)(de)(de)傳(chuan)(chuan)播(bo)常數和(he)(he)群速率不(bu)同(tong)，使光(guang)(guang)(guang)纖(xian)(xian)的(de)(de)(de)(de)(de)(de)帶(dai)寬(kuan)窄，色散(san)大，損耗也大，只適于中短(duan)距離(li)和(he)(he)小容(rong)量(liang)的(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)纖(xian)(xian)通(tong)(tong)信系統。多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)容(rong)許不(bu)同(tong)模(mo)(mo)(mo)(mo)(mo)式的(de)(de)(de)(de)(de)(de)光(guang)(guang)(guang)于一根光(guang)(guang)(guang)纖(xian)(xian)上(shang)傳(chuan)(chuan)輸，由于多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)的(de)(de)(de)(de)(de)(de)芯徑(jing)(jing)較大，故可使用較為(wei)(wei)(wei)(wei)廉價的(de)(de)(de)(de)(de)(de)耦合器(qi)及接線(xian)器(qi)，多(duo)(duo)模(mo)(mo)(mo)(mo)(mo)石(shi)英(ying)(ying)光(guang)(guang)(guang)纖(xian)(xian)的(de)(de)(de)(de)(de)(de)纖(xian)(xian)芯直徑(jing)(jing)為(wei)(wei)(wei)(wei)...
查看全文高速鎖相(xiang)放(fang)大(da)(da)器(qi)(qi)是(shi)一(yi)種對(dui)交變(bian)信號(hao)(hao)進(jin)行相(xiang)敏檢(jian)波的(de)(de)(de)(de)放(fang)大(da)(da)器(qi)(qi)。它利(li)用(yong)(yong)(yong)和(he)(he)被測(ce)(ce)信號(hao)(hao)有(you)相(xiang)同頻率(lv)和(he)(he)相(xiang)位關系的(de)(de)(de)(de)參(can)考信號(hao)(hao)作為比較(jiao)基準(zhun)，只(zhi)對(dui)被測(ce)(ce)信號(hao)(hao)本身和(he)(he)那些與參(can)考信號(hao)(hao)同頻（或(huo)者倍頻）、同相(xiang)的(de)(de)(de)(de)噪(zao)聲(sheng)分量有(you)響應。因此，能大(da)(da)幅(fu)度(du)抑制無(wu)用(yong)(yong)(yong)噪(zao)聲(sheng)，改善檢(jian)測(ce)(ce)信噪(zao)比。此外，高速鎖相(xiang)放(fang)大(da)(da)器(qi)(qi)有(you)很(hen)高的(de)(de)(de)(de)檢(jian)測(ce)(ce)靈(ling)敏度(du)，信號(hao)(hao)處理(li)(li)比較(jiao)簡單(dan)，是(shi)弱光信號(hao)(hao)檢(jian)測(ce)(ce)的(de)(de)(de)(de)一(yi)種有(you)效方法。高速鎖相(xiang)放(fang)大(da)(da)器(qi)(qi)基本作用(yong)(yong)(yong)1、能把輸入訊(xun)號(hao)(hao)的(de)(de)(de)(de)電(dian)(dian)壓或(huo)功(gong)率(lv)放(fang)大(da)(da)的(de)(de)(de)(de)裝置，由電(dian)(dian)子管或(huo)晶(jing)體(ti)管、電(dian)(dian)源變(bian)壓器(qi)(qi)和(he)(he)其他電(dian)(dian)器(qi)(qi)元件組成。用(yong)(yong)(yong)在(zai)通訊(xun)、廣播、雷達、電(dian)(dian)視(shi)、自動(dong)控制等各種裝置中。原理(li)(li)...
查看全文單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)器(qi)輸(shu)出激(ji)光(guang)(guang)模(mo)(mo)(mo)(mo)式既(ji)是單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)又(you)是單(dan)(dan)橫(heng)模(mo)(mo)(mo)(mo)的(de)激(ji)光(guang)(guang)器(qi)。單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)是指諧振腔(qiang)內(nei)只有單(dan)(dan)一(yi)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(單(dan)(dan)一(yi)頻率)進行(xing)振蕩，單(dan)(dan)橫(heng)模(mo)(mo)(mo)(mo)又(you)稱基橫(heng)模(mo)(mo)(mo)(mo)，是指光(guang)(guang)強在(zai)光(guang)(guang)橫(heng)截面上(shang)的(de)分布為(wei)高斯分布，單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)器(qi)采用其(qi)擁有的(de)自對(dui)準諧振腔(qiang)技(ji)術(shu)(shu).采用AMR設計技(ji)術(shu)(shu)將LMX系(xi)列單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)器(qi)的(de)諧振腔(qiang)被集成為(wei)一(yi)個體(ti)積(ji)非常(chang)小，損耗率極低的(de)光(guang)(guang)學組件。自對(dui)準諧振腔(qiang)技(ji)術(shu)(shu)保證(zheng)了(le)LMX系(xi)列單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)器(qi)的(de)諧振腔(qiang)長時間(jian)的(de)可(ke)靠性(xing)(xing)(xing)，溫度穩定(ding)(ding)性(xing)(xing)(xing)及(ji)對(dui)對(dui)機械震動的(de)不敏感性(xing)(xing)(xing).其(qi)532nm單(dan)(dan)縱(zong)(zong)(zong)(zong)(zong)模(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)器(qi)線寬遠(yuan)小于1MHZ,功率穩定(ding)(ding)性(xing)(xing)(xing)±1%（...
查看全文皮(pi)(pi)秒激(ji)光器廠家生(sheng)產的(de)(de)(de)皮(pi)(pi)秒激(ji)光器的(de)(de)(de)脈寬很短，只有幾個皮(pi)(pi)秒，具有很高的(de)(de)(de)峰值功率。它與材(cai)料相互作用時，刻蝕部分(fen)熱影(ying)響很小，產生(sheng)"冷"加(jia)工(gong)的(de)(de)(de)效果，避(bi)免不(bu)必要的(de)(de)(de)熱效應，無(wu)熱影(ying)響區(qu)，且邊(bian)(bian)緣光滑，因此可利用皮(pi)(pi)秒激(ji)光進行(xing)高精密加(jia)工(gong)。皮(pi)(pi)秒激(ji)光器波長涵蓋紅外到紫外，可處理的(de)(de)(de)材(cai)料范圍極廣，適用于(yu)很多場(chang)合的(de)(de)(de)加(jia)工(gong)應用。在(zai)薄(bo)膜太陽(yang)能電(dian)池的(de)(de)(de)加(jia)工(gong)過(guo)程中，zui早(zao)采(cai)用的(de)(de)(de)是(shi)機械(xie)劃刻的(de)(de)(de)方式，操作復雜、邊(bian)(bian)緣粗糙，且死(si)區(qu)（DeadArea）寬度(du)過(guo)大，約為300μm，若(ruo)采(cai)用皮(pi)(pi)秒激(ji)光進行(xing)刻蝕，死(si)區(qu)寬度(du)僅為140μm，且各...
查看全文對于單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)來講相比(bi)有(you)很多人都不了解此(ci)設備，今天小編就給大家講一講單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)。輸出激(ji)光(guang)(guang)(guang)(guang)(guang)模(mo)(mo)(mo)(mo)(mo)(mo)式(shi)既是(shi)單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)又是(shi)單(dan)(dan)(dan)橫模(mo)(mo)(mo)(mo)(mo)(mo)的(de)(de)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)。單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)是(shi)指(zhi)諧振腔(qiang)內(nei)只有(you)單(dan)(dan)(dan)一縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)(單(dan)(dan)(dan)一頻(pin)率)進(jin)行振蕩，單(dan)(dan)(dan)橫模(mo)(mo)(mo)(mo)(mo)(mo)又稱基(ji)橫模(mo)(mo)(mo)(mo)(mo)(mo)，是(shi)指(zhi)光(guang)(guang)(guang)(guang)(guang)強在(zai)光(guang)(guang)(guang)(guang)(guang)橫截面上的(de)(de)分布為(wei)高斯分布。單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)的(de)(de)結構1、激(ji)光(guang)(guang)(guang)(guang)(guang)工(gong)作介(jie)質(zhi)單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)激(ji)光(guang)(guang)(guang)(guang)(guang)的(de)(de)產生必須選擇合適的(de)(de)工(gong)作介(jie)質(zhi)，可(ke)(ke)以(yi)是(shi)氣(qi)體(ti)、液體(ti)、固體(ti)或半導體(ti)。在(zai)這種介(jie)質(zhi)中可(ke)(ke)以(yi)實現粒(li)子數(shu)反(fan)轉，以(yi)制造(zao)獲得激(ji)光(guang)(guang)(guang)(guang)(guang)的(de)(de)必要(yao)條(tiao)件。顯(xian)然亞穩態能級的(de)(de)存在(zai)，對實現粒(li)子數(shu)反(fan)轉世(shi)非常有(you)利。現有(you)行業的(de)(de)單(dan)(dan)(dan)縱(zong)(zong)(zong)模(mo)(mo)(mo)(mo)(mo)(mo)激(ji)光(guang)(guang)(guang)(guang)(guang)器(qi)工(gong)作...
查看全文光(guang)(guang)(guang)譜(pu)(pu)儀(yi)基礎知(zhi)識介紹(昊量(liang)光(guang)(guang)(guang)電)什(shen)么(me)是(shi)光(guang)(guang)(guang)譜(pu)(pu)儀(yi)？光(guang)(guang)(guang)與物(wu)質(zhi)相互作(zuo)用引起物(wu)質(zhi)內部原(yuan)子及分(fen)子能(neng)級間的(de)(de)電子躍(yue)遷，使(shi)物(wu)質(zhi)對(dui)光(guang)(guang)(guang)的(de)(de)吸收(shou)、發(fa)(fa)射、散射等(deng)在(zai)波長(chang)及強度信(xin)息上發(fa)(fa)生變(bian)(bian)化，而檢測并處理這(zhe)類變(bian)(bian)化的(de)(de)儀(yi)器被稱(cheng)為光(guang)(guang)(guang)譜(pu)(pu)儀(yi)。因此，光(guang)(guang)(guang)譜(pu)(pu)儀(yi)的(de)(de)基本功能(neng)，就是(shi)將(jiang)復色光(guang)(guang)(guang)在(zai)空間上按照(zhao)不同的(de)(de)波長(chang)分(fen)離/延展開來，配合各種光(guang)(guang)(guang)電儀(yi)器附件得到波長(chang)成(cheng)分(fen)及各波長(chang)成(cheng)分(fen)的(de)(de)強度等(deng)原(yuan)始信(xin)息以供后(hou)續處理分(fen)析(xi)使(shi)用。光(guang)(guang)(guang)譜(pu)(pu)分(fen)析(xi)方法作(zuo)為一種重要(yao)的(de)(de)分(fen)析(xi)手段，在(zai)科研、生產、質(zhi)控等(deng)方面，都發(fa)(fa)揮著極大的(de)(de)作(zuo)用。無論是(shi)穿(chuan)透吸收(shou)光(guang)(guang)(guang)譜(pu)(pu)，還是(shi)熒光(guang)(guang)(guang)光(guang)(guang)(guang)譜(pu)(pu)，拉曼光(guang)(guang)(guang)譜(pu)(pu)，...
查看全文1比爾(er)伯(bo)定(ding)(ding)律(lv)的(de)(de)介紹與積(ji)分(fen)表示比爾(er)朗伯(bo)定(ding)(ding)律(lv)是基于(yu)物質(zhi)對光(guang)的(de)(de)吸(xi)(xi)(xi)(xi)收(shou)(shou)的(de)(de)定(ding)(ding)量關(guan)系(xi)而得(de)到的(de)(de)定(ding)(ding)律(lv)，早在(zai)1729年和(he)1760年皮(pi)埃爾(er)，布格（PierreBouguer)和(he)約(yue)翰，海因里(li)希，朗伯(bo)(JohannHeinrichLambert）就(jiu)(jiu)闡(chan)明了物質(zhi)對光(guang)的(de)(de)吸(xi)(xi)(xi)(xi)收(shou)(shou)程度和(he)吸(xi)(xi)(xi)(xi)收(shou)(shou)介質(zhi)厚度之間的(de)(de)關(guan)系(xi)。到了1852年，德國(guo)物理學家(jia)和(he)數學家(jia)奧古斯特，比爾(er)（AugustBeer）又提出了光(guang)的(de)(de)吸(xi)(xi)(xi)(xi)收(shou)(shou)程度與吸(xi)(xi)(xi)(xi)光(guang)物質(zhi)的(de)(de)濃度也具有類似關(guan)系(xi)，后(hou)人將(jiang)兩者結合(he)起來(lai)就(jiu)(jiu)得(de)到有關(guan)光(guang)吸(xi)(xi)(xi)(xi)收(shou)(shou)的(de)(de)基本定(ding)(ding)律(lv)，叫做布格一(yi)朗伯(bo)一(yi)比爾(er)定(ding)(ding)律(lv)(Bougu...
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