I-1.i-disc laser
Isindululo soyilo loyilo lweDiski Laser sisonjululwe ngokufanelekileyo ingxaki yefuthe lobushushu bee-laser zombuso oqinileyo kwaye safumana indibaniselwano egqibeleleyo yamandla omndilili ophezulu, amandla aphezulu aphezulu, ukusebenza kakuhle okuphezulu, kunye nomgangatho ophezulu we-laser yelizwe eliqinileyo.Iilaser zedisk ziye zaba ngumthombo omtsha wokukhanya welaser ongenakuphinda uphinde usetyenziswe kumacandelo eemoto, iinqanawa, oololiwe, ukuhamba ngenqwelomoya, amandla kunye namanye amasimi.Itekhnoloji yangoku ye-laser ye-laser ye-high-power inamandla amakhulu e-16 kilowatts kunye nomgangatho we-beam ye-8 mm milliradians, eyenza i-robot laser ye-remote welding kunye ne-laser-fomati enkulu yokusika isantya esiphezulu, ivula amathuba abanzi e-laser-state lasers intsimi yeamandla aphezulu laser processing.Imarike yesicelo.
Izinto eziluncedo zedisc lasers:
1. Ubume bemodyuli
I-disc laser ithatha isakhiwo semodyuli, kwaye imodyuli nganye inokutshintshwa ngokukhawuleza kwisayithi.Inkqubo yokupholisa kunye nenkqubo yesikhokelo sokukhanya idibaniswe kunye nomthombo we-laser, kunye nesakhiwo esincinci, unyawo oluncinci kunye nokufakwa ngokukhawuleza kunye nokuchithwa.
2. Umgangatho ogqwesileyo we-beam kunye nomgangatho
Zonke ii-laser zediski ze-TRUMPF ngaphezulu kwe-2kW zinemveliso yeparamitha ye-beam (BPP) esemgangathweni kwi-8mm / mrad.I-laser ayiguqukiyo kwiinguqu kwimodi yokusebenza kwaye iyahambelana nazo zonke ii-optics ze-TRUMPF.
3. Ekubeni ubukhulu bebala kwi-disc laser bukhulu, ukuxinana kwamandla optical kunyamezelwe yinto nganye ye-optical encinci.
Umda womonakalo we-optical element coating udla ngokuba malunga ne-500MW / cm2, kunye nomonakalo we-quartz yi-2-3GW / cm2.Ubuninzi bamandla kwi-TRUMPF disk laser resonant cavity ngokuqhelekileyo bungaphantsi kwe-0.5MW / cm2, kwaye ubuninzi bamandla kwi-coupling fiber bungaphantsi kwe-30MW / cm2.Ubuninzi bamandla obuphantsi obunjalo abuyi kubangela umonakalo kumacandelo e-optical kwaye akuyi kuvelisa imiphumo engabonakaliyo, ngaloo ndlela iqinisekisa ukuthembeka kokusebenza.
4. Yamkela inkqubo yolawulo lwengxelo yexesha langempela lelaser.
Inkqubo yolawulo lwengxelo yexesha lokwenyani inokugcina amandla afikelela kwi-T-piece ezinzileyo, kwaye iziphumo zokusetyenzwa zinokuphinda-phinda okubalaseleyo.Ixesha lokufudumala kwe-disc laser liphantse lizero, kwaye uluhlu lwamandla ahlengahlengiswayo luyi-1% -100%.Ekubeni i-laser ye-disc isombulula ngokupheleleyo ingxaki ye-lens ye-thermal, amandla e-laser, ubungakanani bebala, kunye ne-angle yokwahlukana kwe-beam izinzile ngaphakathi kulo lonke uluhlu lwamandla, kwaye i-wavefront ye-beam ayiphazamisi.
5. I-fiber optical ingaba yiplagi-kunye-play ngelixa i-laser iqhubeka nokusebenza.
Xa i-fiber optical ethile ingaphumeleli, xa utshintshela i-fiber optical, kufuneka uvale kuphela indlela ye-fiber optical ngaphandle kokuvala, kunye nezinye iifiber zamehlo zingaqhubeka nokukhupha ukukhanya kwe-laser.Ukutshintshwa kwefayibha ye-Optical kulula ukuyisebenzisa, iplagi kunye nokudlala, ngaphandle kwezixhobo okanye ukulungiswa kokulungelelaniswa.Kukho isixhobo sokukhusela uthuli emnyango wesitrato ukukhusela ngokungqongqo uthuli ekungeneni kwindawo yecandelo le-optical.
6. Ikhuselekile kwaye ithembekile
Ngexesha lokucutshungulwa, nokuba ukukhutshwa kwezinto ezicutshungulwayo kuphezulu kangangokuba ukukhanya kwelaser kubonakaliswe kwakhona kwi-laser, akuyi kuba nampembelelo kwi-laser ngokwayo okanye kwisiphumo sokusetyenzwa, kwaye akuyi kubakho zithintelo ekusetyenzweni kwezinto okanye ubude befiber.Ukhuseleko lokusebenza ngelaser luwongwe ngesiqinisekiso sokhuseleko saseJamani.
7. Imodyuli yokumpompa i-diode ilula kwaye ikhawuleza
Uluhlu lwe-diode olufakwe kwimodyuli yokumpompa nayo yeyokwakhiwa kweemodyuli.Iimodyuli ze-Diode zinobomi obude benkonzo kwaye ziqinisekisiwe iminyaka eyi-3 okanye iiyure ezingama-20,000.Akukho xesha lokuphumla lifunekayo nokuba kukutshintshwa okucwangcisiweyo okanye ukutshintshwa kwangoko ngenxa yokusilela ngequbuliso.Xa imodyuli ingaphumeleli, inkqubo yokulawula iya kubetha kwaye ikhulise ngokuzenzekelayo i-current yezinye iimodyuli ngokufanelekileyo ukugcina amandla okuphuma kwe-laser rhoqo.Umsebenzisi unokuqhubeka nokusebenza ishumi okanye iiyure ezininzi.Ukutshintsha iimodyuli zediode zokupompa kwindawo yokuvelisa kulula kakhulu kwaye akufuni uqeqesho lwabaqhubi.
I-Fiber lasers, njengezinye iilaser, zenziwe ngamacandelo amathathu: i-ain medium (doped fiber) enokuvelisa iifotoni, i-optical resonant cavity evumela iiphotons ukuba zityiswe kwaye zandiswe ngokuvakalayo kwindawo yokuzuza, kunye nomthombo wempompo ovuyisayo. photon utshintsho.
Iimpawu: 1. I-fiber ye-Optical inomlinganiselo ophezulu "wendawo / umthamo", isiphumo esihle sokutshatyalaliswa kobushushu, kwaye inokusebenza ngokuqhubekayo ngaphandle kokupholisa ngenkani.2. Njengomthombo we-waveguide, i-fiber optical ine-diameter encinci ye-core kwaye ijwayele ukuxinana kwamandla aphezulu ngaphakathi kwefayibha.Ke ngoko, iilaser zefiber zinoguqulo oluphezulu olusebenzayo, umda ophantsi, inzuzo ephezulu, kunye nobubanzi obumxinwa bomgca, kwaye zahlukile kwifiber optical.Ilahleko yokudibanisa incinci.3. Ngenxa yokuba i-fibers optical fibers ine-flexibility efanelekileyo, i-fiber lasers incinci kwaye iguquguqukayo, i-compact kwisakhiwo, indleko-esebenzayo, kwaye kulula ukudibanisa kwiinkqubo.4. Ifiber ye-Optical nayo ineeparamitha ezininzi ezinokuqhutywa kunye nokukhetha, kwaye inokufumana uluhlu olubanzi lokulungisa, ukusasazwa okulungileyo kunye nozinzo.
Ukuhlelwa kweFayibha laser:
1. Umhlaba onqabileyo we-doped fiber laser
2. Iziqalelo zomhlaba ezinqabileyo ezifakwe kwimicu ebonisa ukukhula esebenzayo ngoku ngokwentelekiso: erbium, neodymium, praseodymium, thulium, kunye neytterbium.
3. Isishwankathelo se-fiber evuselelwe i-Raman yokusabalalisa i-laser: I-laser ye-Fiber ngokuyimfuneko i-wavelength converter, enokuguqula i-wavelength yepompo ibe kukukhanya kwe-wavelength ethile kwaye iyikhuphe ngendlela ye-laser.Ukusuka kumbono womzimba, umgaqo wokuvelisa ukukhanya kokukhanya kukubonelela ngezinto zokusebenza ngokukhanya kwe-wavelength enokuthi ikwazi ukuyifumana, ukwenzela ukuba izinto zokusebenza zikwazi ukufumana amandla ngokufanelekileyo kwaye zisebenze.Ngoko ke, kuxhomekeke kwi-doping material, i-absorption wavelength ehambelanayo nayo ihluke, kunye nempompo Iimfuno zokukhanya kwe-wavelength nazo zihluke.
2.3 I-laser ye-semiconductor
I-laser ye-semiconductor yavuyiswa ngempumelelo kwi-1962 kwaye yafumana umphumo oqhubekayo kwiqondo lokushisa lokushisa kwi-1970. Kamva, emva kokuphuculwa, i-laser ye-heterojunction ephindwe kabini kunye ne-laser diodes ene-stripe-structured laser diodes (i-Laser diodes) yaphuhliswa, esetyenziswa ngokubanzi kwi-optical fiber communications, i-optical discs. izishicileli zelaser, izikena zelaser, kunye nezikhombisi zelaser (izikhombisi zelaser).Ngoku zezona laser eziveliswa kakhulu.Iinzuzo ze-laser diode zezi: ukusebenza kakuhle, ubungakanani obuncinci, ubunzima obulula kunye nexabiso eliphantsi.Ngokukodwa, ukusebenza kakuhle kwe-multiple quantum well type yi-20 ~ 40%, kwaye uhlobo lwe-PN lufikelela kwii-15% ~ 25% ezininzi.Ngamafutshane, ukusebenza kakuhle kwamandla yeyona nto inkulu.Ukongeza, i-wavelength yayo eqhubekayo yokuphuma igubungela uluhlu olusuka kwi-infrared ukuya ekukhanyeni okubonakalayo, kunye neemveliso ezine-optical pulse output ukuya kwi-50W (pulse width 100ns) nazo ziye zathengiswa.Ingumzekelo we-laser elula kakhulu ukuyisebenzisa njenge-lidar okanye umthombo wokukhanya wokuvuselela.Ngokutsho kwethiyori yebhendi yamandla yezinto eziqinileyo, amanqanaba amandla eelektroni kwizinto zesemiconductor enza iibhendi zamandla.Amandla aphezulu liqela le-conduction, amandla aphantsi elinye libhendi ye-valence, kwaye amaqela amabini ahlulwe yibhendi engavumelekanga.Xa izibini ze-electron-hole ezingekho-equilibrium zifakwe kwi-semiconductor recombine, amandla akhutshiweyo akhutshwe ngendlela ye-luminescence, eyona nto i-luminescence yokubuyisela abathwali.
Izinto eziluncedo ze-laser semiconductor: ubungakanani obuncinci, ubunzima obulula, ukusebenza okuthembekileyo, ukusetyenziswa kwamandla aphantsi, ukusebenza kakuhle okuphezulu, njl.
2.4YAG laser
I-laser ye-YAG, uhlobo lwe-laser, i-laser matrix eneempawu ezibalaseleyo ezibanzi (i-optics, i-mechanics kunye ne-thermal).Njengezinye ii-lasers eziqinileyo, amacandelo asisiseko e-YAG lasers zizixhobo zokusebenza ze-laser, umthombo wempompo kunye ne-resonant cavity.Nangona kunjalo, ngenxa yeentlobo ezahlukeneyo ze-ion ezisebenzayo ezifakwe kwikristale, imithombo yempompo eyahlukeneyo kunye neendlela zokumpompa, izakhiwo ezahlukeneyo ze-resonant cavity esetyenzisiweyo, kunye nezinye izixhobo ezisebenzayo ezisetyenzisiweyo, ii-lasers ze-YAG zinokuhlulwa zibe ziindidi ezininzi.Umzekelo, ngokwendlela yokuphuma kwe-waveform, inokwahlulwa ibe yi-LAG ye-yag eqhubekayo, i-YAG laser ephindaphindiweyo kunye ne-pulse laser, njl.;ngokobude bokusebenza, inokwahlulwa ibe yi-1.06μm YAG laser, i-frequency ephindwe kabini ye-YAG laser, i-Raman frequency shifted YAG laser kunye ne-yag laser e-yag, njl.;ngokungqinelana ne-doping Iindidi ezahlukeneyo zeelaser zinokwahlulwa zibe yi-Nd: YAG lasers, i-YAG lasers efakwe ngeHo, Tm, Er, njl.;ngokwemilo yekristale, zahlulwe zaba yi-laser ye-YAG enentonga kunye ne-slab;ngokwamandla emveliso ahlukeneyo, anokwahlulwa abe ngamandla aphezulu kunye namandla amancinci naphakathi.YAG laser, njl.
Umatshini oqinileyo we-YAG wokusika i-laser wandisa, ubonakalisa kwaye ugxininise umqadi we-laser we-pulsed nge-wavelength ye-1064nm, emva koko usasaze kwaye ushushu umphezulu wezinto eziphathekayo.Ubushushu bomhlaba busasazeka ngaphakathi ngaphakathi ngokuqhutywa kwe-thermal, kwaye ububanzi, amandla, amandla aphezulu kunye nokuphindaphinda kwe-laser pulse kulawulwa ngokuchanekileyo ngokwedijithali.Ukuphindaphinda kunye nezinye iiparamitha zinokunyibilika ngoko nangoko, zibe ngumphunga kwaye zibe ngumphunga kwizinto eziphathekayo, ngaloo ndlela zifezekise ukusika, i-welding kunye nokugrunjwa kweendlela ezichazwe kwangaphambili ngenkqubo ye-CNC.
Iimpawu: Lo matshini unomgangatho olungileyo we-beam, ukusebenza okuphezulu, ixabiso eliphantsi, ukuzinza, ukhuseleko, ukuchaneka ngakumbi, kunye nokuthembeka okuphezulu.Idibanisa ukusika, i-welding, ukugrumba kunye neminye imisebenzi ibe yinto enye, iyenza ibe yinto echanekileyo efanelekileyo kunye nezixhobo zokusebenza eziguquguqukayo ezifanelekileyo.Isantya sokusebenza ngokukhawuleza, ukusebenza kakuhle okuphezulu, izibonelelo ezilungileyo zoqoqosho, i-slits encinci ethe tye, indawo yokusika egudileyo, umyinge omkhulu wobunzulu ukuya kububanzi kunye nomgangatho ophantsi we-thermal deformation, kwaye inokucutshungulwa kwizinto ezahlukeneyo ezinje nzima, brittle. , kwaye ithambile.Akukho ngxaki yokunxiba isixhobo okanye ukutshintshwa kwiprosesa, kwaye akukho tshintsho lomatshini.Kulula ukuqonda i-automation.Inokuqonda ukusetyenzwa phantsi kweemeko ezizodwa.Ukusebenza kwempompo kuphezulu, ukuya kuthi ga kwi-20%.Njengoko ukusebenza kunyuka, umthwalo wobushushu we-laser medium uyancipha, ngoko ke umqadi uphuculwe kakhulu.Inobomi obude bekhwalithi, ukuthembeka okuphezulu, ubungakanani obuncinci kunye nobunzima obulula, kwaye ifanelekile kwizicelo ze-miniaturization.
Isicelo: Ifanelekile ukusika i-laser, i-welding kunye nokugaya izinto zetsimbi: ezifana ne-carbon steel, insimbi engenasici, i-alloy steel, i-aluminium kunye ne-alloys, ubhedu kunye ne-alloys, i-titanium kunye ne-alloys, i-nickel-molybdenum alloys kunye nezinye izinto.Isetyenziswa kakhulu kwinqwelomoya, i-aerospace, izixhobo, iinqanawa, i-petrochemical, unyango, izixhobo, i-microelectronics, izithuthi kunye namanye amashishini.Akunjalo kuphela umgangatho wokucubungula ophuculweyo, kodwa nokusebenza kakuhle komsebenzi kuphuculwe;Ukongeza, i-laser ye-YAG inokubonelela ngendlela echanekileyo nekhawulezayo yophando kuphando lwesayensi.
Xa kuthelekiswa nezinye iilaser:
1. I-laser ye-YAG inokusebenza kuzo zombini i-pulse kunye neendlela eziqhubekayo.Ukukhutshwa kwayo kwe-pulse kunokufumana ii-pulses ezimfutshane kunye ne-ultra-short pulses ngokusebenzisa i-Q-switching kunye ne-mode-locking iteknoloji, ngaloo ndlela yenza uluhlu lwayo lokucubungula lube lukhulu kunolo lwe-CO2 lasers.
2. Ubude bayo be-output wavelength yi-1.06um, eyi-odolo enye yobukhulu obuncinci kune-CO2 laser wavelength ye-10.06um, ngoko inokusebenza okuphezulu kokudibanisa kunye nesinyithi kunye nokusebenza kakuhle kokusebenza.
3. I-laser ye-YAG inesakhiwo esincinci, ubunzima obulula, ukusetyenziswa okulula nokuthembekileyo, kunye neemfuno zokugcinwa okuphantsi.
4. I-laser ye-YAG inokudibaniswa nefiber optical.Ngoncedo lolwahlulo lwexesha kunye nenkqubo yolwahlulo lwe-multiplex yamandla, intsimbi enye yelaser inokudluliselwa ngokulula kwiindawo ezininzi zokusebenzela okanye kwiindawo zokusebenza ezikude, eziququzelela ukuguquguquka kokulungiswa kwelaser.Ke ngoko, xa ukhetha i-laser, kuya kufuneka uqwalasele iiparitha ezahlukeneyo kunye neemfuno zakho zokwenyani.Kungale ndlela kuphela apho i-laser inokuthi isebenzise ubuchule bayo obukhulu.I-Pulsed Nd: ii-lasers ze-YAG ezibonelelwa yi-Xinte Optoelectronics zifanelekile kumashishini kunye nezicelo zenzululwazi.Ithembekile kwaye izinzile i-pulsed Nd: i-lasers ye-YAG ibonelela ngemveliso ye-pulse ukuya kuthi ga kwi-1.5J kwi-1064nm kunye namazinga okuphindaphinda ukuya kwi-100Hz.
Ixesha lokuposa: May-17-2024