Sanadihii la soo dhaafay, codsiga lasers fiber pulsed berrinkii calaamadaynta laser ayaa si degdeg ah u horumaray, kuwaas oo codsiyada beeraha 3C elektarooniga ah, mashiinada, cuntada, baakadaha, iwm ayaa aad u ballaaran.
Waqtigan xaadirka ah, noocyada lasers-fiber-ka garaaca ee loo isticmaalo calaamadaynta laysarka ee suuqa inta badan waxaa ka mid ah tignoolajiyada Q-switched iyo tignoolajiyada MOPA.MOPA (Master Oscillator Power-Amplifier) laysarka waxa loola jeedaa qaab-dhismeedka laysarka kaas oo oscillator-ka laysarka iyo cod-weyneyuhu la rogman yahay.Warshadaha, Laser MOPA waxaa loola jeedaa mid gaar ah oo ka badan "caqli" nanosecond pulse fiber laser ka kooban isha iniinaha laser semiconductor kaxeeyey garaaca koronto iyo cod-weyneeye fiber ah."Sirdoonkeeda" ayaa inta badan ka muuqda balacda garaaca garaaca wadnaha si madax banaan loo hagaajin karo (qiyaastii 2ns-500ns), iyo soo noqnoqda soo noqnoqda waxay noqon kartaa mid sare sida megahertz.Qaab dhismeedka il-abuurka ee laser-fiber-ka ee Q-ku-beddelay waa in la geliyo modulator-ka khasaare ee godka oscillator-ka fiber-ka, kaas oo soo saara nalka garaaca wadnaha nanosecond oo leh balac garaaca garaaca gaar ah isagoo si xilliyo ah u habaynaya khasaaraha indhaha ee godka.
Qaab dhismeedka gudaha ee laysarka
Farqiga qaabdhismeedka gudaha ee u dhexeeya MOPA fiber laser iyo Q-switched fiber laser inta badan waxay ku jirtaa hababka jiilka kala duwan ee calaamadaha iftiinka abuurka garaaca.MOPA fiber laser pulse abuurka isha ishaarada indhaha waxaa soo saara garaaca garaaca wadnaha korantada ee wadida semiconductor laser chip, taas oo ah, soosaarka ishaarka indhaha waxaa habeeya signalka korantada ee wadista, sidaa darteed aad bay ugu xoogan tahay soo saarista cabirrada garaaca wadnaha ee kaladuwan (ballaadhka garaaca, soo noqnoqda soo noqnoqda , qaab-dhismeedka garaaca wadnaha iyo awoodda, iwm.) Dabacsanaan.Calaamadda isha garaaca wadnaha ee laser-fiber-ka ee Q-ku-beddelay waxay dhalisaa soo-saarka iftiinka garaaca iyadoo xilli-xilliyeedka kordhinaysa ama yaraynaysa khasaaraha indhaha ee godka resonant, oo leh qaab-dhismeed fudud iyo faa'iido qiimo leh.Si kastaba ha ahaatee, sababtoo ah saameynta qalabka Q-beddelka, xuduudaha garaaca wadnaha ayaa leh xaddidaadyo gaar ah.
Soosaar cabbirrada indhaha
MOPA fiber Laser saarka ballaca garaaca wadnaha waa mid madax banaan la hagaajin karo.Balaadhka garaaca wadnaha MOPA fiber laser wuxuu leeyahay hagaajin kasta (qiyaas ahaan 2ns ~ 500 ns).Baaxadda garaaca wadnaha oo cidhiidhi ah, ayaa yaraanaya aagga kuleylku saameeyay, iyo saxnaanta hab-socodka sare ayaa la heli karaa.Balaadhka garaaca garaaca garaaca ee laser-fiber-ka ee Q-ku-beddelan ma aha mid la hagaajin karo, ballaca garaaca garaaca wadnaha guud ahaan waa mid joogto ah oo joogto ah qiime go'an oo gaar ah oo u dhexeeya 80 ns iyo 140 ns.Laser fiber MOPA waxay leedahay soo noqnoqoshada ballaaran oo soo noqnoqda.Dib-u-soo noqnoqda laser MOPA wuxuu gaari karaa soo-saarka soo noqnoqda sare ee MHz.Soo noqnoqoshada sare waxay ka dhigan tahay hufnaanta farsamaynta sare, iyo MOPA waxay weli sii wadi kartaa sifooyinka awoodda sare ee xaaladaha soo noqnoqda ee sarreeya.Laser fiber-ka ee Q-ka ayaa xaddidan xaaladaha shaqada ee beddelka Q, sidaa darteed tirada soo noqnoqoshada soo-saarku waa cidhiidhi, inta jeer ee sare waxay gaari kartaa oo keliya ~ 100 kHz.
Xaaladda codsiga
Laser fiber MOPA waxa uu leeyahay kala duwanaansho toosan oo ballaaran.Sidaa darteed, marka lagu daro daboolida codsiyada processing ee lasers nanosecond caadiga ah, waxay sidoo kale isticmaali kartaa ballaceeda garaaca wadnaha cidhiidhi ah, soo noqnoqoshada sare, iyo awoodda ugu sarreysa si loo gaaro qaar ka mid ah codsiyada saxda ah ee saxda ah.sida:
1.Codsiga dusha sare ee xajinta xaashida aluminium oxide
Alaabta elegtarooniga ah ee maanta waxay noqonayaan kuwo khafiif ah oo khafiif ah.Taleefannada gacanta, tablet-yada iyo kombuyuutarada badankoodu waxay u isticmaalaan aluminium oksaydh khafiif ah oo khafiif ah sida qolofka alaabta.Markaad isticmaalayso laysarka Q-daray si aad u calaamadiso boosaska korantada ee saxan aluminium dhuuban, way fududahay in la sameeyo qallafsanaanta maaddada, taasoo keentay "hulalka convex" ee dhabarka, si toos ah u saameeya quruxda muuqaalka.Isticmaalka laysarka MOPA ee cabbiraadaha ballaca yar ee garaaca wadnaha ayaa ka dhigi kara maaddada mid aan fududayn in la beddelo, hadhkuna aad ayuu u jilicsan yahay oo dhalaalaya.Tani waa sababta oo ah MOPA laser waxay isticmaashaa cabbir yar oo ballac ah oo garaaca wadnaha ah si ay laysku u sii ahaato walxaha gaaban, waxayna leedahay tamar sare oo ku filan si ay uga saarto lakabka anode-ka, si loogu sameeyo ka-saarista anode-ka dusha sare ee aluminium oksaydh khafiif ah. saxan, MOPA Lasers waa doorasho ka fiican.
Codsiga madow ee aluminium 2.Anodized
Isticmaalka laysarka si loo calaamadiyo calaamadaha ganacsiga madow, moodooyinka, qoraallada, iwm ee dusha sare ee alaabta aluminiumka anodized, halkii laga isticmaali lahaa khad-dhaqameedka iyo teknoolajiyada xariirta, ayaa si weyn loo isticmaalay qolofyada alaabta elektaroonigga ah ee elektiroonigga ah.
Sababtoo ah MOPA pulsed fiber laser waxay leedahay ballac ballaaran oo garaaca wadnaha ah iyo kala duwanaanta hagaajinta soo noqnoqda, isticmaalka ballaca garaaca wadnaha ee cidhiidhi ah iyo cabbirrada soo noqnoqda sare waxay calaamadin karaan dusha walxaha leh saameyn madow.Isku darka kala duwan ee cabbiradu waxay sidoo kale calaamadin karaan heerar kala duwan oo cawl ah.saamayn.
Sidaa darteed, waxay leedahay xulasho badan oo loogu talagalay saameynta habka madow ee kala duwan iyo dareenka gacanta, waana isha iftiinka ee la doorbido ee madow aluminium anodized suuqa.Calaamadaynta waxaa lagu fuliyaa laba qaab: qaab dhibic iyo awood dhibic la hagaajiyay.Iyada oo la hagaajinayo cufnaanta dhibcaha, saameynaha kala duwan ee cawl ayaa la isku ekaysiin karaa, sawiro la habeeyey iyo farshaxan shakhsiyeed ayaa lagu calaamadeyn karaa dusha sare ee aluminium anodized.
3.Color calaamadaynta laser
Codsiga midabka birta ah ee birta ah, laysarka ayaa looga baahan yahay inuu la shaqeeyo ballacyada garaaca wadnaha yaryar iyo dhexdhexaadka ah iyo soo noqnoqoshada sare.Isbedelka midabka waxaa inta badan saameeya soo noqnoqda iyo awoodda.Farqiga u dhexeeya midabadaas waxaa inta badan saameeya tamarta garaaca wadnaha kaliya ee laysarka laftiisa iyo heerka isku dhafka ah ee meesha uu ku yaal alaabta.Sababtoo ah ballaca garaaca wadnaha iyo inta jeer ee laser MOPA si madax-banaan ayaa loo hagaajin karaa, hagaajinta mid ka mid ah ma saameyn doonto xuduudaha kale.Waxay iska kaashadaan midba midka kale si loo gaaro fursado kala duwan, kuwaas oo aan lagu gaari karin laser-ka Q-switched.Codsiyada wax ku oolka ah, adoo hagaajinaya ballaca garaaca wadnaha, soo noqnoqda, awoodda, xawaaraha, habka buuxinta, buuxinta kala dheereynta iyo xuduudaha kale, isku-darka iyo isku-darka xuduudaha kala duwan, waxaad calaamadin kartaa wax badan oo saameyntiisa midab leh, midabyo qani ah iyo jilicsan.Qalabka birta ah ee birta ah, qalabka caafimaadka iyo farsamada gacanta, calaamado qurux badan ama qaabab ayaa lagu calaamadin karaa si ay u ciyaaraan saameyn qurux badan.
Guud ahaan, balaadhka garaaca wadnaha iyo inta jeer ee laser fiber MOPA ayaa si madaxbanaan loo hagaajin karo, cabirka cabbirka hagaajintuna waa weyn yahay, markaa ka baaraandegiddu waa fiican tahay, saamaynta kulaylku waa yar tahay, waxayna leedahay faa'iidooyin aad u fiican oo ku saabsan calaamadaynta xaashida oksaydhka aluminium, aluminium anodized madow, iyo midabaynta birta aan lahayn.Ogsoonow saamaynta in laser-fiber-ka-wareega ahi aanu gaadhi karin Laydhka Q-wareegaya fiber-ka waxa lagu gartaa awood calaamadeed oo xooggan, kaas oo leh faa'iidooyin gaar ah oo ku saabsan farsamaynta xaradhka qoto dheer ee biraha, laakiin saamaynta calaamadaynta ayaa ah mid adag.Codsiyada calaamadaynta caadiga ah, MOPA pulsed fiber lasers ayaa la barbardhigay leysarka Q-switched fiber lasers, iyo sifooyinkooda ugu muhiimsan ayaa lagu muujiyay shaxda soo socota.Isticmaalayaashu waxay dooran karaan laser saxda ah iyadoo loo eegayo baahida dhabta ah ee qalabka calaamadaynta iyo saamaynta.
MOPA fiber laser garaaca garaaca wadnaha iyo inta jeer waa si madax banaan la hagaajin karo, iyo kala duwan ee cabbirka hagaajinta waa weyn yahay, sidaa darteed ka baaraandegi waa wanaagsan yahay, saamaynta kulaylku waa yar yahay, oo waxa ay leedahay faa'iidooyin cajiib ah in calaamadaynta xaashida oxide aluminium, anodized aluminium madow, midabka birta ahama, iyo alxanka xaashida.Saamaynta in leysarka fiber-ka ee Q-ku aanu gaadhi karin.Laysarka fiber-ka ee Q-ka ah waxaa lagu gartaa awood calaamadeed oo xooggan, kaas oo leh faa'iidooyin gaar ah oo ku saabsan farsamaynta xaradhka qoto dheer ee biraha, laakiin saamaynta calaamadaynta ayaa ah mid adag.
Guud ahaan, laser-fiber MOPA waxay ku dhawaad badali karaan laysarka fiber-ka ee Q-bedelka leh ee laysarka calaamadaynta-dhamaadka sare iyo codsiyada alxanka.Mustaqbalka, horumarinta laser fiber MOPA qaadan doonaa ballac garaaca wadnaha cidhiidhi ah iyo soo noqnoqoshada sare sida jihada, iyo isla mar ahaantaana March xagga awoodda sare iyo tamar sare, sii wadaan in ay la kulmaan shuruudaha cusub ee qalabka laser processing ganaax, iyo sii wadaan in ay horumarinta sida laser derusting iyo lidar.Iyo meelaha kale ee codsiga cusub.
Waqtiga boostada: Jul-18-2021
