Laser Applications uye Classification

1.disc laser

Chikumbiro cheiyo Disk Laser dhizaini dhizaini yakagadzirisa zvinobudirira dambudziko rekupisa kweiyo solid-state lasers uye yakawana musanganiswa wakakwana weavhareji simba repamusoro, simba repamusoro-soro, kushanda kwepamusoro, uye mhando yepamusoro yesimbi yakasimba-nyika lasers. Disk lasers yave isingadzokerike nyowani laser mwenje sosi yekugadzirisa muminda yemotokari, ngarava, njanji, ndege, simba uye mamwe minda. Ikozvino yakakwirira-simba disc laser tekinoroji ine simba rakakura re16 kilowatts uye danda remhando ye8 mm milliradians, iyo inogonesa robhoti laser kure kure welding uye yakakura-fomati laser yakakwirira-kumhanya yekucheka, kuvhura tarisiro yakafara yeakasimba-state lasers mu. munda wehigh-simba laser processing. Musika wekushandisa.

Zvakanakira zve disc lasers:

1. Modular chimiro

Iyo disc laser inotora modular chimiro, uye yega yega module inogona kukurumidza kutsiviwa panzvimbo. Iyo yekutonhodza sisitimu uye mwenje dhizaini sisitimu inosanganiswa neiyo laser sosi, ine compact chimiro, diki tsoka uye nekukurumidza kuisirwa uye kugadzirisa.

2. Yakanakisa danda yemhando uye yakajairwa

Yese TRUMPF disc lasers pamusoro pe2kW ine danda parameter chigadzirwa (BPP) yakamisikidzwa pa8mm/mrad. Iyo laser haichinji kune shanduko mukushandisa mode uye inoenderana neese TRUMPF optics.

3. Sezvo saizi yemuvara mu disc laser yakakura, iyo optical simba density inotsungirirwa neimwe optical element idiki.

Iyo yekukuvadza chikumbaridzo cheiyo optical element coating inowanzoita 500MW/cm2, uye kukuvara chikumbaridzo chequartz i2-3GW/cm2. Kuwanda kwesimba muTRUMPF dhisiki laser resonant cavity inowanzove isingasviki 0.5MW/cm2, uye kuwanda kwesimba pane yekubatanidza fiber isingasviki 30MW/cm2. Yakadaro yakaderera simba density haizokonzeri kukuvadza kune optical components uye haizobudisi nonlinear mhedzisiro, nokudaro kuve nechokwadi chekushanda kwekuvimbika.

4. Adopt laser simba real-time feedback control system.

Iyo chaiyo-nguva mhinduro yekudzora sisitimu inogona kuchengetedza simba richisvika paT-chidimbu yakagadzikana, uye mibairo yekugadzirisa ine yakanakisa kudzokorora. Iyo preheating nguva ye disc laser inenge zero, uye inogadziriswa simba renji i1% -100%. Sezvo disc laser inogadzirisa zvachose dambudziko rekupisa lens mhedzisiro, iyo laser simba, saizi yemavara, uye beam divergence angle yakagadzikana mukati meiyo yese simba renji, uye wave kumberi kwedanda hakuitike kukanganisa.

5. Iyo optical fiber inogona kuva plug-uye-kutamba apo laser inoramba ichimhanya.

Kana imwe optical fiber ikakundikana, kana uchitsiva optical fiber, iwe unongoda kuvhara nzira yeoptical fiber pasina kuvhara, uye mamwe mafiber optical anogona kuramba achiburitsa laser mwenje. Optical fiber kutsiva iri nyore kushanda, plug uye kutamba, pasina chero maturusi kana kurongeka kwekugadzirisa. Pane guruva-rinodzivirira mudziyo pamusuwo wemugwagwa kudzivirira zvakanyanya guruva kupinda munzvimbo ye optical component.

6. Yakachengeteka uye yakavimbika

Munguva yekugadziriswa, kunyangwe kana emissivity yezvinhu zviri kugadziriswa yakakwira zvekuti laser mwenje inoratidzwa ichidzokera mu laser, haizove nemhedzisiro pane iyo laser pachayo kana iyo yekugadzirisa maitiro, uye hapazove nekurambidzwa kugadzirisa zvinhu kana. urefu hwefiber. Kuchengetedzeka kwelaser operation kwakapihwa chitupa cheGerman chekuchengetedza.

7. Iyo yekupomba diode module iri nyore uye nekukurumidza

Iyo diode array yakaiswa pane yekupomba module zvakare ndeye modular kuvaka. Diode array modules ine hupenyu hurefu hwebasa uye inobvumirwa kwemakore matatu kana maawa makumi maviri. Hapana nguva yekudzikira inodikanwa ingave yakarongwa kutsiva kana kutsiva nekukurumidza nekuda kwekutadza kamwe kamwe. Kana module ikatadza, iyo yekudzora sisitimu inorira uye otomatiki inowedzera ikozvino yemamwe ma module nenzira kwayo kuti ichengetedze laser inobuda simba nguva dzose. Mushandisi anogona kuramba achishanda kwegumi kana kunyange gumi nemaviri emaawa. Kutsiva kupomba diode module panzvimbo yekugadzira iri nyore uye haidi kudzidziswa kwemushandisi.

2.2Fiber laser

Fiber lasers, semamwe ma lasers, anoumbwa nezvikamu zvitatu: a svikiro (doped fiber) anogona kugadzira mafotoni, optical resonant cavity inobvumira mafotoni kuti adzorerwe uye anokwidziridzwa mune yekuwana svikiro, uye pombi sosi inonakidza. photon transitions.

Zvimiro: 1. Optical fiber ine chiyero chepamusoro che "surface area / volume", yakanaka yekupisa kupisa, uye inogona kushanda nguva dzose pasina kumanikidzirwa kutonhora. 2. Senge waveguide medium, optical fiber ine diki dhayamita yepakati uye inotarirwa kune yakakwira simba density mukati mefiber. Naizvozvo, mafiber lasers ane yakakwira shanduko inoshanda, yakaderera chikumbaridzo, yakakwira, uye yakatetepa mutsara, uye akasiyana neoptical fiber. Kubatana kurasikirwa kudiki. 3. Nokuti optical fibers ane maitiro akanaka, fiber lasers iduku uye inoshanduka, inopindirana mukugadzirisa, inodhura, uye iri nyore kubatanidza muzvirongwa. 4. Optical faibha zvakare ine zvakawanda zvinobatika parameters uye selectivity, uye inokwanisa kuwana yakaringana tuning renji, kupararira kwakanaka uye kugadzikana.

 

Fiber laser classification:

1. Rare pasi doped fiber laser

2. Zvinhu zvisingawanzoitiki zvepasi zvakanyungudutswa mumafibhi ekuona akasimba zvino: erbium, neodymium, praseodymium, thulium, uye ytterbium.

3. Pfupiso yefiber yakakurudzira Raman kuparadzira laser: Fiber laser inonyanya kushandura wavelength, iyo inogona kushandura pombi wavelength kuita chiedza chehumwe wavelength uye kuiburitsa nenzira yelaser. Kubva pakuona kwemuviri, nheyo yekugadzira chiedza chekusimudzira ndechekupa zvinhu zvekushanda nechiedza chewavelength iyo inogona kutora, kuitira kuti basa rinoshanda rinogona kunyatsotora simba uye rinoshandiswa. Naizvozvo, zvichienderana neiyo doping zvinhu, iyo inoenderana absorption wavelength zvakare yakasiyana, uye pombi Zvinodiwa zvewavelength yechiedza zvakasiyana zvakare.

2.3 Semiconductor laser

Semiconductor laser yakabudirira kufara muna 1962 uye yakawana inoenderera mberi pakubuda kwekamuri muna 1970. Gare gare, mushure mekuvandudzwa, kaviri heterojunction lasers uye stripe-structured laser diodes (Laser diodes) yakagadzirwa, iyo inoshandiswa zvakanyanya mu optical fiber communications, optical discs, Laser printers, laser scanners, uye laser pointers (laser pointers). Parizvino ndivo Inonyanya kugadzirwa laser. Zvakanakira laser diodes ndezvi: kushanda kwakanyanya, diki saizi, huremu huremu uye mutengo wakaderera. Kunyanya, kugona kweakawanda quantum tsime mhando ndeye 20 ~ 40%, uye iyo PN mhando inosvikawo akati wandei 15% ~ 25%. Muchidimbu, kushandiswa kwesimba kwepamusoro ndicho chimiro chayo chikuru. Uye zvakare, iyo inoenderera inoburitsa wavelength inovhara huwandu kubva kune infrared kusvika kuchiedza chinooneka, uye zvigadzirwa zvine optical pulse kubuda kusvika ku50W (pulse wide 100ns) zvakare zvakatengeswa. Iwo muenzaniso we laser iri nyore kwazvo kushandisa se lidar kana excitation light source. Zvinoenderana neiyo simba bhendi dzidziso yezvakaoma, huwandu hwesimba hwemaerekitironi mune semiconductor zvinhu zvinoumba simba mabhendi. Simba guru ndiro bhendi rekufambisa, simba rakaderera ndiro valence band, uye mapoka maviri akaparadzaniswa nebhandi rinorambidzwa. Kana iyo isiri-equilibrium erekitironi-gomba pairs yakaunzwa mune semiconductor recombine, iyo yakaburitswa simba inopenya muchimiro che luminescence, inova recombination luminescence yevatakuri.

Zvakanakira semiconductor lasers: saizi diki, huremu huremu, kushanda kwakavimbika, kuderera kwesimba rekushandisa, kugona kwakanyanya, nezvimwe.

2.4YAG laser

YAG laser, rudzi rwelaser, iri laser matrix ine yakanakisa yakazara zvivakwa (optics, mechanics uye thermal). Kufanana nemamwe ma lasers akasimba, izvo zvakakosha zveYAG lasers laser inoshanda zvinhu, pombi sosi uye resonant mhango. Nekudaro, nekuda kwemhando dzakasiyana dzeakabatidzwa ion akaiswa mukristaro, akasiyana pombi masosi uye nzira dzekupomba, akasiyana zvimiro zvegomba resonant rinoshandiswa, uye zvimwe zvinoshanda zvigadziriso zvinoshandiswa, YAG lasers inogona kukamurwa kuita akawanda marudzi. Semuyenzaniso, zvinoenderana neinobuda waveform, inogona kukamurwa kuita inoenderera wave YAG laser, yakadzokororwa frequency YAG laser uye pulse laser, nezvimwe .; zvinoenderana neanoshanda wavelength, inogona kukamurwa kuita 1.06μm YAG laser, frequency yakapetwa kaviri YAG laser, Raman frequency yakachinjika YAG laser uye tunable YAG laser, nezvimwewo; maererano ne doping Mhando dzakasiyana dze lasers dzinogona kukamurwa kuita Nd: YAG lasers, YAG lasers doped neHo, Tm, Er, nezvimwewo; maererano nechimiro chekristaro, ivo vakakamurwa kuita tsvimbo-yakaita uye slab-shaped YAG lasers; maererano nemasimba akasiyana ekubuda, anogona kukamurwa kuva simba guru uye simba duku uye repakati. YAG laser, nezvimwewo.

Iyo yakasimba YAG laser yekucheka muchina inowedzera, inoratidza uye inotarisa iyo pulsed laser beam ine wavelength ye1064nm, yobva yapenya nekupisa pamusoro pechinhu. Kupisa kwepamusoro kunopararira kune yemukati kuburikidza nekupisa kwekushisa, uye hupamhi, simba, simba repamusoro uye kudzokorora kwelaser pulse inodzorwa nemadhijitari. Frequency uye mamwe maparamendi anogona kunyunguduka ipapo ipapo, kunyungudika uye kufambisa zvinhu, nekudaro kuwana kucheka, welding uye kudhirowa kweakafanotemerwa trajectories kuburikidza neCNC system.

Zvimiro: Muchina uyu une yakanaka danda mhando, kushanda zvakanaka kwepamusoro, mutengo wakaderera, kugadzikana, kuchengetedzeka, kunyatsojeka, uye kuvimbika kwakanyanya. Iyo inobatanidza kucheka, welding, kuchera uye mamwe mabasa mune rimwe chete, zvichiita kuti ive chaiyo chaiyo uye inoshanda inoshanduka inochinjika michina yekugadzira. Kurumidza kugadzirisa kumhanya, kushanda kwakanyanya, kwakanaka kwehupfumi kunobatsira, madiki akatwasuka ega ega, yakatsetseka yekucheka nzvimbo, yakakura kudzika-kusvika-dhayamita reshiyo uye hudiki-kusvika-hupamhi reshiyo yekupisa, uye inogona kugadziriswa pazvinhu zvakasiyana senge zvakaoma, brittle. , uye nyoro. Iko hakuna dambudziko rekupfeka kwechishandiso kana kutsiva mukugadzirisa, uye hapana shanduko yemagetsi. Zviri nyore kuziva otomatiki. Inogona kuona kugadzirisa pasi pemamiriro akakosha. Iko kushanda kwepombi kwakakwira, kusvika pa20%. Sezvo kugona kunowedzera, kupisa kweye laser medium kunoderera, saka danda rinovandudzwa zvakanyanya. Iyo ine hupenyu hurefu hwehupenyu, kuvimbika kwepamusoro, hukuru hudiki uye huremu huremu, uye inokodzera miniaturization application.

Chishandiso: Inokodzera kucheka kwelaser, kukwirisa uye kuchera simbi zvinhu: senge kabhoni simbi, simbi isina tsvina, alloy simbi, aruminiyamu uye alloys, mhangura uye alloys, titanium uye alloys, nickel-molybdenum alloys nezvimwe zvinhu. Inoshandiswa zvakanyanya mundege, aerospace, zvombo, ngarava, petrochemical, zvekurapa, zviridzwa, microelectronics, mota uye mamwe maindasitiri. Kwete chete hutano hwekugadzirisa hunovandudzwa, asiwo kushanda kwekushanda kunovandudzwa; uyezve, iyo YAG laser inogona zvakare kupa chaiyo uye nekukurumidza nzira yekutsvagisa yekutsvagisa kwesainzi.

 

Kuenzaniswa nemamwe lasers:

1. YAG laser inogona kushanda mune zvese pulse uye inoenderera modes. Kubuda kwayo kwepulse kunogona kuwana mapfupi mapurusi uye ekupedzisira-mapfupi pulses kuburikidza neQ-switching uye mode-locking tekinoroji, nekudaro ichiita kuti magadzirirwo ayo akakura kupfuura ayo CO2 lasers.

2. Kubuda kwaro kwewavelength ndeye 1.06um, iyo inonyatso kurongeka kwehukuru hudiki pane CO2 laser wavelength ye10.06um, saka ine yakakwirira yekubatanidza kushanda nesimbi uye yakanaka yekugadzirisa kushanda.

3. YAG laser ine compact chimiro, huremu huremu, nyore uye yakavimbika kushandiswa, uye pasi pekugadzirisa zvinodiwa.

4. YAG laser inogona kusanganiswa ne optical fiber. Nerubatsiro rwekupatsanura nguva uye simba rekupatsanura multiplex system, imwe laser beam inogona kuendeswa nyore nyore kune akawanda maworksts kana kure kure nzvimbo dzekushanda, iyo inofambisa kuchinjika kwelaser processing. Naizvozvo, kana uchisarudza laser, iwe unofanirwa kufunga akasiyana ma parameter uye ako chaiwo zvaunoda. Neiyi nzira chete iyo laser inogona kushandisa yakanyanya kunaka kwayo. Pulsed Nd: YAG lasers anopihwa neXinte Optoelectronics akakodzera kushandiswa kwemaindasitiri nesainzi. Yakavimbika uye yakagadzikana pulsed Nd: YAG lasers inopa pulse kubuda kusvika 1.5J pa 1064nm neretidzo yekudzokorora kusvika ku100Hz.

 


Nguva yekutumira: May-17-2024