1.idiski laser
Isiphakamiso somqondo wokuklama i-Disk Laser siyixazulule ngempumelelo inkinga yomphumela oshisayo wama-lasers wesifunda esiqinile futhi sazuza inhlanganisela ephelele yamandla aphakathi nendawo, amandla aphezulu aphezulu, ukusebenza kahle okuphezulu, kanye nekhwalithi ephezulu ye-laser yezwe eliqinile. Ama-laser ediski asephenduke umthombo omusha wokukhanya we-laser ongashintsheki wokucubungula emikhakheni yezimoto, imikhumbi, izitimela, ezondiza, amandla kanye neminye imikhakha. Ubuchwepheshe bamanje be-laser yediski enamandla amakhulu bunamandla amakhulu angama-kilowatts angu-16 kanye nekhwalithi ye-beam engu-8 mm milliradians, eyenza irobhothi i-laser ye-remote welding kanye nokusika kwe-laser yefomethi enkulu ngesivinini, kuvule amathemba abanzi ama-solid state lasers insimu yehigh-power laser processing. Imakethe yohlelo lokusebenza.
Izinzuzo zama-disc lasers:
1. Isakhiwo se-modular
I-laser disc ithatha isakhiwo se-modular, futhi imojula ngayinye ingashintshwa ngokushesha esizeni. Isistimu yokupholisa kanye nesistimu yomhlahlandlela wokukhanya kuhlanganiswe nomthombo we-laser, nesakhiwo esihlangene, izinyathelo ezincane zonyawo kanye nokufakwa okusheshayo nokulungisa iphutha.
2. Excellent ugongolo izinga futhi ejwayelekile
Wonke ama-laser ediski e-TRUMPF angaphezu kuka-2kW anomkhiqizo wepharamitha ye-beam (BPP) omiswe ku-8mm/mrad. I-laser ayiguquki ezinguqukweni zemodi yokusebenza futhi ihambisana nawo wonke ama-optics e-TRUMPF.
3. Njengoba ubukhulu bendawo ku-laser yediski bukhulu, ukuminyana kwamandla okubona okubekezelelwa isici sokubona ngakunye kuncane.
Umkhawulo womonakalo we-optical element coating uvame ukuba ngu-500MW/cm2, kanti umkhawulo womonakalo wequartz ngu-2-3GW/cm2. Ubuningi bamandla ku-TRUMPF disk laser resonant cavity ngokuvamile bungaphansi kuka-0.5MW/cm2, futhi ukuminyana kwamandla ku-coupling fiber kungaphansi kuka-30MW/cm2. Ukuminyana kwamandla okuphansi okunjalo ngeke kubangele ukulimala ezingxenyeni ze-optical futhi ngeke kukhiqize imiphumela engaqondile, ngaleyo ndlela kuqinisekiswe ukuthembeka kokusebenza.
4. Yamukela isistimu yokulawula impendulo yesikhathi sangempela selaser.
Isistimu yokulawula impendulo yesikhathi sangempela ingagcina amandla efinyelela ku-T-piece ezinzile, futhi imiphumela yokucubungula inokuphindaphinda okuhle kakhulu. Isikhathi sokushisa kwe-laser ye-disc cishe singu-zero, futhi ububanzi bamandla obuguquguqukayo bungu-1% -100%. Njengoba i-laser ye-disc iyixazulula ngokuphelele inkinga yomphumela welensi eshisayo, amandla e-laser, usayizi wendawo, kanye ne-engeli yokuhluka kwe-beam kuzinzile phakathi kwalo lonke uhla lwamandla, futhi i-wavefront ye-beam ayiphazamisi.
5. I-fiber optical ingaba i-plug-and-play ngenkathi i-laser iqhubeka nokusebenza.
Uma i-fiber ethile ye-optical ihluleka, lapho ushintsha i-fiber optical, udinga kuphela ukuvala indlela yokubona ye-fiber optical ngaphandle kokuvala, futhi eminye imicu ye-optical ingaqhubeka nokukhipha ukukhanya kwe-laser. Ukushintshwa kwe-Optical fiber kulula ukuyisebenzisa, ukuxhuma nokudlala, ngaphandle kwamathuluzi noma ukulungiswa kokuqondanisa. Kunomshini ongangenisi uthuli emnyango womgwaqo ukuvikela ngokuqinile uthuli ukuba lungene endaweni yengxenye ye-optical.
6. Iphephile futhi inokwethenjelwa
Ngesikhathi sokucutshungulwa, ngisho noma ukukhishwa kwezinto ezicutshungulwayo kuphezulu kakhulu kangangokuthi ukukhanya kwe-laser kuphinde kubonakale ku-laser, ngeke kube nomthelela ku-laser ngokwayo noma kumthelela wokucubungula, futhi ngeke kube nemikhawulo ekucutshungulweni kwezinto noma ubude befiber. Ukuphepha kokusebenza kwe-laser kunikezwe isitifiketi sokuphepha saseJalimane.
7. Imojula yokumpompa i-diode ilula futhi iyashesha
I-diode array efakwe kumojula yokumpompa nayo ingeyokwakhiwa kwe-modular. Amamojula we-Diode array anempilo ende yesevisi futhi agunyazwe iminyaka engu-3 noma amahora angu-20,000. Asikho isikhathi sokuphumula esidingekayo noma ngabe kuwukushintshwa okuhleliwe noma ukushintshwa ngokushesha ngenxa yokwehluleka kungazelelwe. Uma imojuli yehluleka, isistimu yokulawula izothusa futhi ikhulise ngokuzenzakalelayo ukusebenza kwamanye amamojula ngokufanele ukuze kugcinwe amandla okukhipha i-laser angashintshi. Umsebenzisi angaqhubeka nokusebenza amahora ayishumi noma ngisho namashumi amabili. Ukushintsha amamojula we-pump diode endaweni yokukhiqiza kulula kakhulu futhi akudingi ukuqeqeshwa komsebenzisi.
Ama-laser efiber, njengamanye ama-laser, akhiwe izingxenye ezintathu: i-gain medium (doped fiber) engakhiqiza ama-photon, i-optical resonant cavity evumela ama-photon ukuthi abuyiselwe futhi akhuliswe ngokuzwakalayo endaweni yokuthola, kanye nomthombo wepompo ojabulisayo. photon izinguquko.
Izici: 1. I-Optical fiber inesilinganiso esiphezulu “sendawo engaphezulu/ivolumu”, umphumela omuhle wokulahla ukushisa, futhi ingasebenza ngokuqhubekayo ngaphandle kokupholisa ngempoqo. 2. Njengomthombo we-waveguide, i-optical fiber inobubanzi obuncane bomgogodla futhi ijwayele ukuminyana kwamandla aphezulu ngaphakathi kwefayibha. Ngakho-ke, ama-laser e-fiber anekhono eliphezulu lokuguqulwa, umkhawulo ophansi, inzuzo ephezulu, nobubanzi bomugqa obuncane, futhi ahlukile ku-optical fiber. Ukulahlekelwa kokuhlanganisa kuncane. 3. Ngenxa yokuthi ama-optical fibers anokuguquguquka okuhle, ama-fiber lasers mancane futhi aguquguqukayo, ahlangene ngesakhiwo, angabizi kakhulu, futhi kulula ukuwahlanganisa ezinhlelweni. 4. I-Optical fiber nayo inamapharamitha amaningi akwazi ukuguquleka nokukhetha, futhi ingathola uhla lokushuna olubanzi, ukuhlakazeka okuhle nokuzinza.
I-fiber laser classification:
1. Umhlaba ongavamile doped fiber laser
2. Izakhi zomhlaba ezingavamile ezifakwe emiculweni yokubona esebenzayo manje eseyivuthiwe: i-erbium, i-neodymium, i-praseodymium, i-thulium, ne-ytterbium.
3. Isifinyezo se-fiber egqugquzelwe i-Raman esakaza i-laser: I-fiber laser empeleni iyisiguquli se-wavelength, esingaguqula ubude begagasi bephampu bube ukukhanya kobude obuthile obuthile futhi buwukhiphe ngendlela ye-laser. Ngokombono womzimba, isimiso sokukhiqiza ukukhulisa ukukhanya ukuhlinzeka ngezinto zokusebenza ngokukhanya kwe-wavelength engakwazi ukumunca, ukuze into esebenzayo ikwazi ukumunca amandla ngokuphumelelayo futhi isebenze. Ngakho-ke, kuye ngokuthi i-doping material, i-wavelength yokumunca ehambisanayo nayo ihlukile, kanye nepompo Izidingo ze-wavelength yokukhanya nazo zihlukile.
2.3 I-laser ye-semiconductor
I-laser ye-semiconductor yajabula ngempumelelo ngo-1962 futhi yazuza umphumela oqhubekayo ekamelweni lokushisa ngo-1970. Kamuva, ngemva kokuthuthukiswa, ama-laser we-heterojunction kabili kanye nama-laser diode ane-stripe-structured laser diode (Laser diode) asetshenziswa kabanzi ekuxhumaneni optical fiber, optical discs, amaphrinta we-laser, izikena ze-laser, nezikhombisi ze-laser (izikhombi ze-laser). Njengamanje iLaser ekhiqizwa kakhulu. Izinzuzo ze-laser diode yilezi: ukusebenza kahle okuphezulu, usayizi omncane, isisindo esilula kanye nenani eliphansi. Ikakhulukazi, ukusebenza kahle kohlobo lwemithombo eminingi ye-quantum yi-20 ~ 40%, futhi uhlobo lwe-PN nalo lufinyelela ku-15% ~ 25% amaningana. Ngamafuphi, ukusebenza kahle kwamandla okuphezulu kuyisici sawo esikhulu. Ngaphezu kwalokho, i-wavelength yayo eqhubekayo yokuphumayo ihlanganisa ububanzi obusuka ku-infrared kuya ekukhanyeni okubonakalayo, futhi imikhiqizo ene-optical pulse output efika ku-50W (pulse width 100ns) nayo yenziwe ukuhweba. Kuyisibonelo se-laser okulula kakhulu ukuyisebenzisa njenge-lidar noma umthombo wokukhanya ovusa amadlingozi. Ngokusho kwe-energy band theory of solids, amazinga wamandla ama-electron ezintweni ze-semiconductor akha amabhande wamandla. Amandla aphezulu ibhendi yokuqhuba, amandla aphansi ibhande le-valence, futhi amabhendi amabili ahlukaniswe ibhendi enqatshelwe. Lapho amapheya e-electron-hole angalingani afakwa ku-semiconductor recombine, amandla akhululiwe asakazwa ngendlela ye-luminescence, okuyi-luminescence yokuhlanganisa kabusha yabathwali.
Izinzuzo zama-lases semiconductor: usayizi omncane, isisindo esincane, ukusebenza okuthembekile, ukusetshenziswa kwamandla okuphansi, ukusebenza kahle okuphezulu, njll.
I-laser ye-YAG, uhlobo lwe-laser, i-laser matrix enezici ezinhle kakhulu ezibanzi (i-optics, mechanics kanye ne-thermal). Njengamanye ama-laser aqinile, izingxenye eziyisisekelo zamalaser e-YAG yizinto ezisebenzayo ze-laser, umthombo wepompo kanye nomgodi ozwakalayo. Kodwa-ke, ngenxa yezinhlobo ezahlukene zama-ion acushiwe afakwe kukristalu, imithombo yepompo ehlukene nezindlela zokumpompa, izakhiwo ezihlukene ze-resonant cavity esetshenzisiwe, namanye amadivaysi esakhiwo asebenzayo asetshenzisiwe, ama-lasers e-YAG angahlukaniswa abe izinhlobo eziningi. Isibonelo, ngokusho kwe-waveform okukhiphayo, ingahlukaniswa nge-wave wave YAG laser, imvamisa ye-YAG laser kanye ne-pulse laser, njll.; ngokuya nge-wavelength yokusebenza, ingahlukaniswa ibe yi-1.06μm YAG laser, i-frequency double YAG laser, i-Raman frequency shifted YAG laser kanye ne-tunable YAG laser, njll.; ngokusho kwe-doping Izinhlobo ezahlukene zama-lasers zingahlukaniswa zibe yi-Nd:YAG lasers, i-YAG lasers efakwe ngo-Ho, Tm, Er, njll.; ngokuma kwekristalu, ahlukaniswe ama-lasers e-YAG amise okwenduku futhi amise okwe-slab; ngokwamandla ahlukene okukhiphayo, angahlukaniswa abe amandla aphezulu kanye namandla amancane naphakathi. I-laser ye-YAG, njll.
Umshini wokusika we-laser we-YAG oqinile uyanwebeka, ubonise futhi ugxile ku-pulsed laser beam enobude be-wavelength obungu-1064nm, bese ukhipha imisebe futhi ushise ingaphezulu lezinto ezibonakalayo. Ukushisa okungaphezulu kusabalele ingaphakathi ngokusebenzisa i-thermal conduction, futhi ububanzi, amandla, amandla aphezulu kanye nokuphindaphinda kwe-laser pulse kulawulwa ngokunembile ngokwedijithali. Imvamisa neminye imingcele ingancibilika ngaso leso sikhathi, ihwamuke futhi ihwamuke into, ngaleyo ndlela kuzuzwe ukusika, ukushisela kanye nokubhoboza ama-trajectories anqunywe kusengaphambili ngohlelo lwe-CNC.
Izici: Lo mshini unekhwalithi enhle ye-beam, ukusebenza kahle okuphezulu, izindleko eziphansi, ukuzinza, ukuphepha, ukunemba okwengeziwe, nokuthembeka okuphezulu. Ihlanganisa ukusika, ukushisela, ukubhola neminye imisebenzi ibe yinto eyodwa, ikwenze kube ukunemba okuhle kanye nemishini yokucubungula eguquguqukayo ephumelelayo. Isivinini sokucubungula ngokushesha, ukusebenza kahle okuphezulu, izinzuzo ezinhle zezomnotho, imifantu emincane eqondile enqenqemeni, indawo yokusika eshelelayo, isilinganiso esikhulu sokujula kuya kobubanzi kanye nokuguquguquka okushisayo kwe-aspect-to-width ratio, futhi kungacutshungulwa ezintweni ezahlukahlukene eziqinile, eziphukayo. , futhi ithambile. Ayikho inkinga yokuguga kwamathuluzi noma ukushintshwa lapho kusetshenzwa, futhi alukho ushintsho olusetshenziswayo. Kulula ukubona i-automation. Ingabona ukucubungula ngaphansi kwezimo ezikhethekile. Ukusebenza kahle kwepompo kuphezulu, kuze kufike ku-20%. Njengoba ukusebenza kahle kwanda, umthwalo wokushisa we-laser medium uyancipha, ngakho-ke ugongolo luthuthukiswa kakhulu. Inempilo ende yekhwalithi, ukwethembeka okuphezulu, usayizi omncane nesisindo esilula, futhi ifanele izicelo ze-miniaturization.
Isicelo: Ifanele ukusika i-laser, ukushisela kanye nokubhola izinto zensimbi: njenge-carbon steel, insimbi engagqwali, i-alloy steel, i-aluminium nama-alloys, ithusi nama-alloys, i-titanium nama-alloys, ama-alloys e-nickel-molybdenum nezinye izinto. Isetshenziswa kakhulu kwezokundiza, i-aerospace, izikhali, imikhumbi, i-petrochemical, medical, instrumentation, microelectronics, imoto nezinye izimboni. Akuyona nje ikhwalithi yokucubungula ethuthukisiwe, kodwa futhi ukusebenza kahle komsebenzi kuyathuthukiswa; ngaphezu kwalokho, i-laser ye-YAG inganikeza nendlela yocwaningo olunembile nesheshayo yocwaningo lwesayensi.
Uma kuqhathaniswa namanye ama-lasers:
1. I-laser ye-YAG ingasebenza kuzo zombili izindlela zokushaya kwenhliziyo neziqhubekayo. I-pulse yayo ephumayo ingathola ama-pulses amafushane kanye nama-ultra-short pulses ngokusebenzisa i-Q-switching kanye nobuchwepheshe bokukhiya imodi, ngaleyo ndlela yenze ububanzi bayo bokucubungula babe bukhulu kunalelo lama-laser e-CO2.
2. Ubude bayo be-wavelength obuphumayo bungu-1.06um, okuyi-oda elilodwa lobukhulu elincane kune-CO2 laser wavelength engu-10.06um, ngakho linokusebenza okuphakeme kokuhlanganisa ngensimbi nokusebenza okuhle kokucubungula.
3. I-laser ye-YAG inesakhiwo esihlangene, isisindo esilula, ukusetshenziswa okulula nokuthembekile, kanye nezidingo zokunakekelwa okuphansi.
4. I-laser ye-YAG ingahlanganiswa ne-fiber optical. Ngosizo lokuhlukaniswa kwesikhathi kanye nesistimu ye-multiplex yokuhlukanisa amandla, insimbi eyodwa ye-laser ingadluliselwa kalula ezindaweni zokusebenza eziningi noma ezindaweni zokusebenza ezikude, okusiza ukuguquguquka kokucubungula kwe-laser. Ngakho-ke, lapho ukhetha i-laser, kufanele ucabangele imingcele ehlukahlukene kanye nezidingo zakho zangempela. Kungale ndlela kuphela lapho i-laser ingasebenzisa ukusebenza kahle kwayo okuphezulu. Ama-laser we-Pulsed Nd:YAG ahlinzekwa yi-Xinte Optoelectronics afanele ukusetshenziswa kwezimboni nezesayensi. Ama-laser athembekile futhi azinzile we-pulsed Nd:YAG ahlinzeka ngokukhipha kwe-pulse kufika ku-1.5J ku-1064nm ngamanani okuphindaphinda afika ku-100Hz.
Isikhathi sokuthumela: May-17-2024
