1. dhisiki relaser
Kurongwa kwepfungwa yekugadzira Disk Laser kwakagadzirisa dambudziko rekupisa kwema solid-state lasers uye kwakaita kuti pave nemusanganiswa wakakwana wesimba repakati nepakati, simba repamusoro-soro, kushanda zvakanaka, uye mhando yepamusoro yema solid-state lasers. Ma Disk lasers ave sosi itsva isingatsiviwe yechiedza che laser chekugadzirisa muminda yemotokari, ngarava, njanji, ndege, simba nedzimwe nzvimbo. Tekinoroji ye disc laser ine simba guru re 16 kilowatts uye mhando ye beam ye 8 mm milliradians, izvo zvinogonesa robot laser remote welding uye large-format laser high-speed cutting, zvichivhura mikana yakakura yema solid-state lasers mumunda wekugadzirisa laser ine simba guruMusika wekushandisa.
Mabhenefiti e disc lasers:
1. Chimiro chemodular
Laser yedhisiki inoshandisa chimiro chemodular, uye module yega yega inogona kutsiviwa nekukurumidza panzvimbo yacho. Sisitimu yekutonhodza uye sisitimu yekutungamira chiedza zvakabatanidzwa nesosi yelaser, ine chimiro chidiki, nzvimbo diki uye kuiswa nekukurumidza nekugadzirisa.
2. Hunhu hwakanaka hwedanda uye hwakajairwa
Malaser ese eTRUMPF disc anopfuura 2kW ane beam parameter product (BPP) yakajairwa pa8mm/mrad. Laser iyi inogara ichichinja-chinja muodhi yekushanda uye inoenderana nemaoptics ese eTRUMPF.
3. Sezvo saizi yenzvimbo iri mu disc laser yakakura, huwandu hwesimba re optical hunowanikwa nechinhu chimwe nechimwe che optical hudiki.
Muganho wekukuvadzwa kwe optical element coating unowanzoita 500MW/cm2, uye muganho wekukuvadzwa we quartz i2-3GW/cm2. Huremu hwesimba mu TRUMPF disk laser resonant cavity hunowanzova pasi pe 0.5MW/cm2, uye huremu hwesimba pa coupling fiber hunenge huri pasi pe 30MW/cm2. Huremu hwakaderera hwakadaro hahuzokonzere kukuvara kwe optical components uye hahuzoburitse mhedzisiro isiri yemutsara, nokudaro zvichiita kuti kushanda kuve kwakavimbika.
4. Shandisa simba re laser panguva chaiyo yekudzora mhinduro.
Sisitimu yekudzora mhinduro panguva chaiyo inogona kuchengetedza simba richisvika paT-piece yakagadzikana, uye mhedzisiro yekugadzirisa ine kugona kudzokororwa kwakanaka. Nguva yekupisa ye disc laser inenge zero, uye huwandu hwesimba hunogadziriswa i1%–100%. Sezvo disc laser ichigadzirisa zvizere dambudziko remhedzisiro ye thermal lens, simba re laser, saizi yenzvimbo, uye angle yekusiyana kwebeam zvakagadzikana mukati mehuwandu hwesimba rese, uye wavefront ye beam haikanganisike.
5. Fiber ye optical inogona kuvharwa uye kutamba uku laser ichiramba ichishanda.
Kana imwe fiber ye optical ikakundikana, kana uchitsiva fiber ye optical, unongoda kuvhara nzira ye optical fiber usingadzime, uye dzimwe fiber dze optical dzinogona kuramba dzichiburitsa chiedza che laser. Kutsiva fiber ye optical kuri nyore kushandisa, kubatanidza nekutamba, pasina zvishandiso kana kugadzirisa kurongeka. Pane mudziyo unodzivirira guruva pamusuwo wemugwagwa kudzivirira guruva kuti risapinde munzvimbo ye optical component.
6. Yakachengeteka uye yakavimbika
Munguva yekugadzirisa, kunyangwe kana kuburitsa kwechinhu chiri kugadzirwa kwakakwira zvekuti chiedza chelaser chinoratidzwa zvakare mulaser, hachizove nemhedzisiro palaser pachayo kana pamhedzisiro yekugadzirisa, uye hapazove nemiganhu pakugadzirisa zvinhu kana kureba kwefiber. Kuchengetedzeka kwekushanda kwelaser kwakapihwa chitupa chekuchengetedza cheGerman.
7. Module yepombi ye diode iri nyore uye inokurumidza
Diode array yakaiswa pa pumping module yakagadzirwawo se modular. Diode array modules dzine hupenyu hwakareba hwekushanda uye dzine waranti yemakore matatu kana maawa zviuru makumi maviri. Hapana nguva yekushanda inodiwa kungave kuri kutsiva kwakarongwa kana kutsiva nekukurumidza nekuda kwekukundikana kamwe kamwe. Kana module ikakundikana, control system icharaira uye inowedzera otomatiki magetsi emamwe ma modules zvakakodzera kuchengetedza simba rekubuda kwelaser risingaperi. Mushandisi anogona kuramba achishanda kwemaawa gumi kana makumi maviri. Kutsiva ma pomping diode modules panzvimbo yekugadzira kuri nyore kwazvo uye hakudi kudzidziswa kwemushandisi.
Mafiber laser, semamwe ma laser, anoumbwa nezvikamu zvitatu: gain medium (doped fiber) inogona kugadzira ma photon, optical resonant cavity inobvumira ma photon kuti adzorerwe uye awedzere kuratidzwa kwe resonant mu gain medium, uye pombi inokurudzira kuchinja kwe photon.
Zvimiro: 1. Optical fiber ine chiyero chepamusoro che "nzvimbo/vhoriyamu" ye "surface area/volume", inogona kupisa zvakanaka, uye inogona kushanda nguva dzose pasina kumanikidzwa kutonhora. 2. Senzira yekufambisa mafungu, optical fiber ine dhayamita diki yepakati uye inokurumidza kuva nesimba rakawanda mukati mefiber. Naizvozvo, fiber lasers dzine kushanda kwakanyanya kwekushandura, threshold yakaderera, gain yakakwira, uye linewidth yakamanikana, uye dzakasiyana neoptical fiber. Kurasikirwa kwekubatanidza kudiki. 3. Nekuti optical fibers dzine kuchinjika kwakanaka, fiber lasers diki uye dzinochinjika, dzakatetepa muchimiro, dzinochengetedza mari, uye dziri nyore kubatanidza mumasisitimu. 4. Optical fiber inewo akawanda ma parameter anogona kugadziriswa uye kusarudza, uye inogona kuwana nzvimbo yakakura yekugadzirisa, kupararira kwakanaka uye kugadzikana.
Kupatsanurwa kwelaser yefiber:
1. Laser yefaibha isina kugadzirwa nevhu
2. Zvinhu zvisingawanzo kuwanikwa muzvinhu zvepasi zvakasanganiswa mufiber dze optical dziri kushanda dzakakura: erbium, neodymium, praseodymium, thulium, uye ytterbium.
3. Pfupiso yeRaman scattering laser inokonzereswa nefiber: Fiber laser inonyanya kushandisa wavelength converter, iyo inogona kushandura wavelength yepombi kuita chiedza chewavelength chaiyo uye kuiburitsa muchimiro chelaser. Kubva pakuona kwepanyama, musimboti wekugadzira chiedza chekuwedzera mwenje ndewekupa chinhu chinoshanda chiedza chewavelength yachinogona kunwisa, kuitira kuti chinhu chinoshanda chigone kunwisa simba zvinobudirira uye chishande. Naizvozvo, zvichienderana nezvinhu zvinoshandiswa pakushandisa doping, wavelength yeabsorption inoenderana yakasiyanawo, uye pombi Zvinodiwa zvewavelength yechiedza zvakasiyanawo.
2.3 Semiconductor laser
Semiconductor laser yakavandudzwa muna 1962 uye yakabudirira kuburitsa magetsi nguva dzose patembiricha yemumba muna 1970. Gare gare, mushure mekuvandudzwa, ma double heterojunction lasers uye stripe-structured laser diodes (Laser diodes) zvakagadzirwa, izvo zvinoshandiswa zvakanyanya mu optical fiber communications, optical discs, laser printers, laser scanners, uye laser pointers (laser pointers). Pari zvino ndiwo ma laser anonyanya kugadzirwa. Mabhenefiti e laser diodes ndeaya: kushanda zvakanyanya, saizi diki, huremu hwakareruka uye mutengo wakaderera. Kunyanya, kushanda zvakanaka kwe multiple quantum well type i20~40%, uye PN type inosvikawo akati wandei 15%~25%. Muchidimbu, kushanda nesimba kwakanyanya ndicho chinhu chikuru chayo. Pamusoro pezvo, continuous output wavelength yayo inofukidza huwandu kubva ku infrared kusvika kuchiedza chinoonekwa, uye zvigadzirwa zvine optical pulse output inosvika 50W (pulse width 100ns) zvakatengeswawo. Muenzaniso we laser iri nyore kushandisa se lidar kana excitation light source. Zvinoenderana nedzidziso yesimba rema "energy band" yezvinhu zvakasimba, huwandu hwesimba rema "electrons" muzvinhu zve semiconductor hunoumba ma "energy band". Rine simba rakawanda ndiro "conduction band", iro rine simba rakaderera ndiro "valence band", uye ma "bands" maviri anoparadzaniswa ne "bar" yakarambidzwa. Kana ma "non-equilibrium electron-hole pairs" akaiswa mu "semiconductor recombine", simba rinoburitswa rinoburitswa muchimiro che "luminescence", inova "recombination luminescence" yevatakuri.
Mabhenefiti e semiconductor lasers: saizi diki, huremu hwakareruka, kushanda kwakavimbika, kushandiswa kwesimba shoma, kushanda zvakanaka, nezvimwewo.
2.4Laser yeYAG
YAG laser, rudzi rwelaser, ilaser matrix ine hunhu hwakanaka hwakakwana (optics, mechanics uye thermal). Kufanana nedzimwe solid lasers, zvikamu zvekutanga zveYAG lasers zvinhu zvinoshanda nelaser, pombi source uye resonant cavity. Zvisinei, nekuda kwemarudzi akasiyana eactivated ions doped mukristaro, mapombi sources akasiyana uye nzira dzekupomba, maumbirwo akasiyana e resonant cavity inoshandiswa, nezvimwe zvishandiso zvinoshanda zvekuvaka zvinoshandiswa, YAG lasers dzinogona kukamurwa kuita marudzi akawanda. Semuenzaniso, zvichienderana ne output waveform, inogona kukamurwa kuita continuous wave YAG laser, repeated frequency YAG laser uye pulse laser, nezvimwewo; zvichienderana ne operating wavelength, inogona kukamurwa kuita 1.06μm YAG laser, frequency double YAG laser, Raman frequency shifted YAG laser uye tunable YAG laser, nezvimwewo; zvichienderana ne doping Mhando dzakasiyana dze lasers dzinogona kukamurwa kuita Nd:YAG lasers, YAG lasers doped naHo, Tm, Er, nezvimwewo; zvichienderana nechimiro chekristaro, dzakakamurwa kuita rod-shaped uye slab-shaped YAG lasers; zvichienderana nemasimba akasiyana ekuburitsa, anogona kukamurwa kuita simba guru uye simba diki nerepakati. YAG laser, nezvimwewo.
Muchina wekucheka laser wakasimba weYAG unokura, unoratidza uye unotarisa danda re laser rakapwanyika rine urefu hwe1064nm, wobva waburitsa uye unopisa pamusoro pechinhu chacho. Kupisa kwepamusoro kunopararira mukati mechinhu kuburikidza nekupisa, uye hupamhi, simba, simba repamusoro uye kudzokorora kwekupisa kwe laser zvinodzorwa nemazvo nedhijitari. Kuwanda uye mamwe ma parameter anogona kunyungudutsa, kupwanya uye kupwanya chinhu chacho pakarepo, nokudaro zvichiita kuti zvicheke, kupwanya uye kuboorwa kwenzira dzakatarwa kuburikidza neCNC system.
Zvinhu Zvakanakira: Muchina uyu une mhando yakanaka yedanda, kushanda zvakanaka, mutengo wakaderera, kugadzikana, kuchengetedzeka, kunyatsorongeka, uye kuvimbika zvakanyanya. Unobatanidza kucheka, kusveta, kuboora nezvimwe zvinhu kuita chimwe chete, zvichiita kuti uve muchina wekugadzirisa unochinjika uye wakanyatsojeka. Kukurumidza kugadzira, kushanda zvakanaka, mabhenefiti akanaka ehupfumi, zvidimbu zvidiki zvakatwasuka, nzvimbo yekucheka yakatsetseka, chiyero chikuru chekudzika kusvika padhayamita uye chiyero chidiki chekusvika pahupamhi hweaspect-to-width ratio thermal deformation, uye unogona kugadziriswa pazvinhu zvakasiyana-siyana zvakaita sekuoma, kuputsika, uye kupfava. Hapana dambudziko rekushaikwa kwezvishandiso kana kutsiva mukugadzirisa, uye hapana shanduko yemakanika. Zviri nyore kuita otomatiki. Unogona kugadzira pasi pemamiriro akakosha. Kushanda zvakanaka kwepombi kwakanyanya, kusvika pa20%. Sezvo kushanda zvakanaka kuchiwedzera, mutoro wekupisa we laser medium unoderera, saka danda rinovandudzika zvikuru. Rine hupenyu hwakareba, kuvimbika kwakanyanya, saizi diki uye huremu hwakareruka, uye rakakodzera kushandiswa kweminiaturization.
Mashandisirwo: Yakakodzera kucheka, kusanganisa uye kuboora simbi nelaser: senge simbi yekabhoni, simbi isingatsvi, simbi ye alloy, aruminiyamu uye alloys, mhangura uye alloys, titanium uye alloys, nickel-molybdenum alloys nezvimwe zvinhu. Inoshandiswa zvakanyanya mundege, mundege, zvombo, ngarava, petrochemical, zvekurapa, zvekushandisa, microelectronics, mota nedzimwe indasitiri. Hunhu hwekugadzirisa hunovandudzwa kwete chete, asiwo kushanda zvakanaka kwebasa kunovandudzwa; pamusoro pezvo, laser yeYAG inogona zvakare kupa nzira chaiyo uye inokurumidza yekutsvagisa kwesainzi.
Zvichienzaniswa nedzimwe lasers:
1. LASER YAG inogona kushanda mumhando mbiri dzepulse ne continuous modes. Kubuda kwayo kwepulse kunogona kuwana ma pulse mapfupi uye ma ultra-short pulses kuburikidza neQ-switching uye mode-locking technology, zvichiita kuti huwandu hwayo hwekugadzirisa huve hukuru kupfuura hwe CO2 lasers.
2. Kureba kwayo kwesimba i1.06um, inova diki pane CO2 laser wavelength ye10.06um, saka ine kushanda zvakanaka kwekubatanidza simbi uye inoshanda zvakanaka pakugadzirisa.
3. Laser yeYAG ine chimiro chidiki, huremu hwakareruka, kushandiswa kuri nyore uye kwakavimbika, uye zvinodiwa zvishoma pakugadzirisa.
4. LASER YAG inogona kubatanidzwa ne optical fiber. Nerubatsiro rwe time division uye power division multiplex system, laser beam imwe chete inogona kutamisirwa nyore nyore kunzvimbo dzakawanda dzebasa kana nzvimbo dziri kure dzebasa, izvo zvinoita kuti laser ishande zviri nyore. Saka, pakusarudza laser, unofanira kufunga nezvema parameter akasiyana-siyana uye zvaunoda chaizvo. Nenzira iyi chete laser inogona kushandisa kushanda kwayo kwakanyanya. Pulsed Nd:YAG lasers inopihwa neXinte Optoelectronics yakakodzera kushandiswa kwemaindasitiri nesainzi. Pulsed Nd:YAG lasers yakavimbika uye yakagadzikana inopa pulse output inosvika 1.5J pa 1064nm ine repetition rates inosvika 100Hz.
Nguva yekutumira: Chivabvu-17-2024
