Kwatanta tasirin walda na lasers masu diamita daban-daban na tsakiya

Walda ta Laserana iya cimma hakan ta amfani da hasken laser mai ci gaba ko mai bugun zuciya. Ka'idojinwalda ta laserza a iya raba su zuwa walda mai watsa zafi da walda mai shiga zurfin laser. Idan yawan wutar lantarki ya kasa da 104~105 W/cm2, walda mai watsa zafi ne. A wannan lokacin, zurfin shigar ciki bai yi zurfi ba kuma saurin walda yana da jinkiri; idan yawan wutar ya fi 105~107 W/cm2, saman ƙarfe yana kwance cikin "ramuka" saboda zafi, yana samar da walda mai shiga zurfin, wanda ke da halayen saurin walda mai sauri da babban rabo. Ka'idar watsa zafiwalda ta lasershine: hasken laser yana dumama saman da za a sarrafa, kuma zafin saman yana yaɗuwa zuwa cikin ta hanyar watsa zafi. Ta hanyar sarrafa sigogin laser kamar faɗin bugun laser, kuzari, ƙarfin kololuwa, da mitar maimaitawa, aikin yana narkewa don samar da takamaiman wurin narkewa.

Walda mai zurfi ta hanyar laser galibi tana amfani da hasken laser mai ci gaba don kammala haɗin kayan. Tsarin aikinta na ƙarfe yana kama da na walda hasken lantarki, wato, tsarin canza makamashi yana kammala ta hanyar tsarin "rami-maɓalli".

A ƙarƙashin hasken laser mai ƙarfin gaske, kayan yana ƙafewa kuma ana samun ƙananan ramuka. Wannan ƙaramin ramin da aka cika da tururi kamar jiki ne mai baƙi, yana shan kusan dukkan kuzarin hasken da ya faru. Zafin daidaito a cikin ramin ya kai kimanin 2500.°C. Ana canja wurin zafi daga bangon waje na ramin mai zafi, wanda ke sa ƙarfen da ke kewaye da ramin ya narke. Ƙaramin ramin yana cike da tururin zafi mai zafi wanda aka samar ta hanyar ci gaba da ƙafe kayan bango a ƙarƙashin hasken wutar lantarki. Bangon ƙaramin ramin yana kewaye da ƙarfe mai narkewa, kuma ƙarfe mai ruwa yana kewaye da kayan ƙarfi (a yawancin hanyoyin walda na yau da kullun da walda mai amfani da laser, makamashin da aka fara ajiyewa a saman kayan aikin sannan a kai shi ciki ta hanyar canja wuri). Ruwan da ke fitowa daga bangon ramin da kuma tashin hankali na saman Layer ɗin bango suna cikin mataki tare da matsin tururi da ake samu akai-akai a cikin ramin ramin kuma suna kula da daidaito mai ƙarfi. Hasken haske yana shiga ƙaramin ramin akai-akai, kuma kayan da ke wajen ƙaramin ramin suna gudana akai-akai. Yayin da hasken ke motsawa, ƙaramin ramin koyaushe yana cikin yanayin kwarara mai kyau.

Wato, ƙaramin ramin da ƙarfen da ke kewaye da bangon ramin suna tafiya gaba tare da saurin gaba na katakon matukin jirgi. Karfe mai narkewa yana cike gibin da ya rage bayan an cire ƙaramin ramin kuma ya taru daidai gwargwado, kuma walda ta samo asali. Duk wannan yana faruwa da sauri har saurin walda zai iya kaiwa mita da yawa a minti ɗaya.

Bayan fahimtar muhimman ra'ayoyi game da yawan ƙarfin lantarki, walda mai amfani da zafi, da walda mai zurfi mai shiga ciki, za mu yi nazari kan matakan ƙarfin lantarki da kuma matakan ƙarfe na diamita daban-daban na tsakiya.

Kwatanta gwaje-gwajen walda bisa ga diamita na tsakiya na laser da aka saba gani a kasuwa:

Ƙarfin ƙarfin matsayin wurin mai da hankali na lasers masu diamita daban-daban na tsakiya

Daga mahangar ƙarfin lantarki, a ƙarƙashin irin wannan ƙarfin, ƙaramin diamita na tsakiya, mafi girman hasken laser da kuma ƙarfin da aka tara. Idan aka kwatanta laser da wuka mai kaifi, ƙaramin diamita na tsakiya, mafi kaifi laser. Ƙarfin ƙarfin laser mai diamita na tsakiya 14um ya fi na laser mai diamita na tsakiya 100um sau 50, kuma ƙarfin sarrafawa ya fi ƙarfi. A lokaci guda, yawan ƙarfin da aka lissafa a nan kawai matsakaici ne mai sauƙi. Rarraba makamashi na ainihi shine kimanin rarrabawar Gaussian, kuma makamashin tsakiya zai ninka matsakaicin yawan ƙarfin da aka tara sau da yawa.

Tsarin rarraba makamashin laser tare da diamita daban-daban na tsakiya

Launin zane-zanen rarraba makamashi shine rarraba makamashi. Yayin da launin ja yake, haka nan ƙarfin yake ƙaruwa. Ja shine wurin da makamashin ke taruwa. Ta hanyar rarraba makamashin laser na hasken laser masu diamita daban-daban na tsakiya, ana iya ganin cewa gaban hasken laser ba shi da kaifi kuma hasken laser yana da kaifi. Ƙarami, ƙarfin da ya fi yawa yana kan wani wuri, haka nan ƙarfinsa yake da kaifi kuma ƙarfinsa yana ƙaruwa.

Kwatanta tasirin walda na lasers masu diamita daban-daban na tsakiya

Kwatanta lasers masu diamita daban-daban na tsakiya:

(1) Gwajin yana amfani da saurin 150mm/s, walda a wurin mayar da hankali, kuma kayan yana da jerin aluminum guda 1, kauri 2mm;

(2) Girman diamita na tsakiya, girman faɗin narkewar abu, girman yankin da zafi ya shafa, da kuma ƙaramin ƙarfin na'urar. Lokacin da diamita na tsakiya ya wuce 200um, ba abu ne mai sauƙi ba a cimma zurfin shiga a kan ƙarfe masu yawan amsawa kamar aluminum da jan ƙarfe, kuma mafi girma walda mai zurfin shiga za a iya cimma ta ne kawai da babban ƙarfi;

(3) Na'urorin laser masu ƙananan tsakiya suna da ƙarfin gaske kuma suna iya buga ramukan maɓalli cikin sauri a saman kayan da ke da ƙarfi mai yawa da ƙananan yankunan da zafi ke shafa. Duk da haka, a lokaci guda, saman walda yana da kauri, kuma yuwuwar rugujewar ramin maɓalli yana da yawa yayin walda mai ƙarancin sauri, kuma ramin maɓalli yana rufe yayin zagayowar walda. Zagayen yana da tsayi, kuma lahani kamar lahani da ramuka suna iya faruwa. Ya dace da sarrafawa mai sauri ko sarrafawa tare da hanyar juyawa;

(4) Manyan lasers masu diamita na tsakiya suna da manyan wuraren haske da ƙarin kuzarin da aka watsa, wanda hakan ya sa suka fi dacewa da sake narkewar saman laser, rufi, annealing da sauran hanyoyin aiki.