一、光纖激光器是什么
光(guang)(guang)(guang)纖(xian)(xian)激(ji)(ji)光(guang)(guang)(guang)器(Fiber Laser)是指用摻稀土(tu)元素玻璃(li)光(guang)(guang)(guang)纖(xian)(xian)作(zuo)(zuo)為(wei)增益介質的激(ji)(ji)光(guang)(guang)(guang)器,光(guang)(guang)(guang)纖(xian)(xian)激(ji)(ji)光(guang)(guang)(guang)器可在光(guang)(guang)(guang)纖(xian)(xian)放大器的基礎上開發出來:在泵浦(pu)光(guang)(guang)(guang)的作(zuo)(zuo)用下(xia)光(guang)(guang)(guang)纖(xian)(xian)內極易形成高功(gong)率密度,造(zao)成激(ji)(ji)光(guang)(guang)(guang)工作(zuo)(zuo)物質的激(ji)(ji)光(guang)(guang)(guang)能(neng)級“粒子(zi)數反轉(zhuan)”,當適當加入正反饋回路(構成諧振腔)便可形成激(ji)(ji)光(guang)(guang)(guang)振蕩輸出。
光(guang)(guang)纖激(ji)光(guang)(guang)器(qi)應用范圍(wei)非常廣泛,包(bao)括(kuo)激(ji)光(guang)(guang)光(guang)(guang)纖通訊(xun)(xun)、激(ji)光(guang)(guang)空間遠距通訊(xun)(xun)、工業造(zao)船、汽(qi)車制造(zao)、激(ji)光(guang)(guang)雕(diao)刻(ke)激(ji)光(guang)(guang)打(da)標激(ji)光(guang)(guang)切割、印(yin)刷(shua)制輥、金屬非金屬鉆(zhan)孔/切割/焊接(銅焊、淬水、包(bao)層以及深度焊接)、軍事國防(fang)安全、醫療器(qi)械儀(yi)器(qi)設備(bei)、大型基礎建設,作為其他激(ji)光(guang)(guang)器(qi)的泵浦源等等。
二、光纖激光器有哪些種類
(一)十大光纖激光器品牌產品按照光纖材料的種類進行分類
1、晶(jing)體光纖激(ji)光器。工作物質是激(ji)光晶(jing)體光纖,主要有紅(hong)寶(bao)石單晶(jing)光纖激(ji)光器和nd3+:YAG單晶(jing)光纖激(ji)光器等。
2、非(fei)線性光(guang)(guang)學型光(guang)(guang)纖(xian)激(ji)(ji)光(guang)(guang)器。主要有受(shou)激(ji)(ji)喇曼(man)散(san)射光(guang)(guang)纖(xian)激(ji)(ji)光(guang)(guang)器和受(shou)激(ji)(ji)布里淵散(san)射光(guang)(guang)纖(xian)激(ji)(ji)光(guang)(guang)器。
3、稀土類摻(chan)雜(za)光纖(xian)激光器。光纖(xian)的基質(zhi)材料是玻璃,向光纖(xian)中摻(chan)雜(za)稀土類元素離子使(shi)之激活,而制(zhi)成光纖(xian)激光器。
4、塑(su)料(liao)光(guang)纖(xian)(xian)激光(guang)器。向塑(su)料(liao)光(guang)纖(xian)(xian)芯部或(huo)包(bao)層內摻入激光(guang)染料(liao)而制成(cheng)光(guang)纖(xian)(xian)激光(guang)器。
(二)按增益介質分類為
1、晶(jing)體(ti)光纖(xian)激光器。工作物質是(shi)激光晶(jing)體(ti)光纖(xian),主(zhu)要有紅寶石(shi)單(dan)晶(jing)光纖(xian)激光器和Nd3+:YAG單(dan)晶(jing)光纖(xian)激光器等。
2、非(fei)線(xian)性(xing)光(guang)(guang)學型光(guang)(guang)纖(xian)激光(guang)(guang)器(qi)(qi)。主(zhu)要有受激喇曼散(san)射光(guang)(guang)纖(xian)激光(guang)(guang)器(qi)(qi)和受激布里淵散(san)射光(guang)(guang)纖(xian)激光(guang)(guang)器(qi)(qi)。
3、稀土類摻雜(za)光纖(xian)(xian)激光器(qi)。向光纖(xian)(xian)中摻雜(za)稀土類元素(su)離(li)子(zi)使之激活,(Nd3+、Er3+、Yb3+、Tm3+等(deng),基質可以是(shi)石(shi)英玻璃(li)、氟化鋯玻璃(li)、單晶)而制成光纖(xian)(xian)激光器(qi)。
4、塑(su)料光(guang)纖激光(guang)器(qi)。向塑(su)料光(guang)纖芯部(bu)或(huo)包層內摻入(ru)激光(guang)染(ran)料而(er)制成光(guang)纖激光(guang)器(qi)。
(三)按諧振腔結構分類
分為F-P腔、環(huan)形(xing)腔、環(huan)路(lu)反射器(qi)光(guang)纖(xian)諧(xie)振腔以及“8”字形(xing)腔、DBR光(guang)纖(xian)激光(guang)器(qi)、DFB光(guang)纖(xian)激光(guang)器(qi)等。
(四)按光纖結構分類
分為單(dan)包層光(guang)纖(xian)激(ji)(ji)光(guang)器(qi)、雙包層光(guang)纖(xian)激(ji)(ji)光(guang)器(qi)、光(guang)子晶體光(guang)纖(xian)激(ji)(ji)光(guang)器(qi)、特種光(guang)纖(xian)激(ji)(ji)光(guang)器(qi)。
(五)按輸出激光特性分類
分(fen)為(wei)連(lian)續光(guang)纖(xian)(xian)激光(guang)器(qi)和(he)脈(mo)沖(chong)(chong)光(guang)纖(xian)(xian)激光(guang)器(qi),其(qi)中脈(mo)沖(chong)(chong)光(guang)纖(xian)(xian)激光(guang)器(qi)根據其(qi)脈(mo)沖(chong)(chong)形(xing)成原(yuan)理(li)又可分(fen)為(wei)調Q光(guang)纖(xian)(xian)激光(guang)器(qi)(脈(mo)沖(chong)(chong)寬度為(wei)ns量(liang)級)和(he)鎖模光(guang)纖(xian)(xian)激光(guang)器(qi)(脈(mo)沖(chong)(chong)寬度為(wei)ps或fs量(liang)級)。