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Sida Loo Fuliyo Nadiifinta Laser-ka

Qadka kala baxa

Tiknoolajiyada nadiifinta laser-ka waxay isticmaashaa ballaca garaaca wadnaha oo cidhiidhi ah, leysarka cufnaanta awoodda sare ee dusha shayga la nadiifinayo.Iyada oo loo marayo saamaynta isku dhafan ee gariir degdeg ah, uumi, burburka, iyo diirinta balasmaha, wasakhaysan, wasakhda miridhku, ama dahaarka dusha sare mara uumiga degdega ah iyo goynta, gaaritaanka nadiifinta dusha.

Nadiifinta laser-ku waxay bixisaa faa'iidooyin sida xiriir la'aan, deegaan saaxiibtinimo, sax ah oo hufan, oo aan waxyeello u geysan substrate-ka, taasoo ka dhigaysa mid lagu dabaqi karo xaalado kala duwan.

Nadiifinta Laser

ICON3

Cagaaran oo hufan

Warshadaha taayirka, warshadaha tamarta cusub, iyo warshadaha mishiinada dhismaha, iyo kuwa kale, si ballaaran u codsan nadiifinta laser.Xilligii yoolalka "dual carbon", nadiifinta laysarka ayaa u soo baxaysa sidii xal cusub ee suuqa nadiifinta dhaqanka sababtoo ah waxtarkeeda sare, xakamaynta saxda ah, iyo sifooyinka deegaanka saaxiibtinimo.

Sida Loo Fuliyo Nadiifinta Laser-ka.1

Fikradda Nadiifinta Laser:

Nadiifinta laser-ku waxay ku lug leedahay diiradda saarista alwaaxyada laysarka ee dusha walxaha si si degdeg ah u uumi u bixiyo ama looga saaro wasakhowga dusha sare, gaarista nadiifinta dusha walxaha.Marka la barbar dhigo hababka nadiifinta dhaqameed ee kala duwan ee jirka ama kiimikada, nadiifinta laysarka waxaa lagu gartaa xiriir la'aan, wax la isticmaali karo, wasakhaysan, saxsanaan sare, iyo waxyeello yar ama aan lahayn, taas oo ka dhigaysa doorasho ku habboon jiilka cusub ee tiknoolajiyada nadiifinta warshadaha.

Mabda'a Nadiifinta Laser:

Mabda'a nadiifinta laysarka waa mid adag waxaana laga yaabaa inay ku lug yeelato hababka jirka iyo kiimikada labadaba.Xaalado badan, hababka jireed ayaa xukuma, oo ay la socdaan fal-celin kiimiko oo qayb ah.Nidaamyada ugu muhiimsan waxaa loo kala saari karaa saddex nooc: habka uumiga, habka naxdinta leh, iyo habka oscillation.

Habka Shidaalka:

Marka laydhka tamarta sare ee tamarta lagu dhejiyo dusha sare ee shay, dusha sare waxay nuugtaa tamarta laser waxayna u beddeshaa tamarta gudaha, taasoo keenta heerkulka dusha sare si degdeg ah u kordho.Korodhkan heerkulku wuxuu gaaraa ama dhaafaa heerkulka uumiga walxaha, taasoo keenta in wasakhdu ay ka go'do oogada walxaha ee qaabka uumiga.Uumiga xulashada badanaa wuxuu yimaadaa marka heerka nuugista wasakhaysan ee laysarka uu aad uga sarreeyo kan substrate-ka.Tusaalaha codsiga caadiga ah waa nadiifinta wasakhda dusha dhagaxa.Sida ku cad jaantuska hoose, wasakhowga dusha dhagaxa ah ayaa si xoog leh u nuugaya laysarka oo si degdeg ah ayaa loo soo daadiyaa.Marka wasakhda gebi ahaanba meesha laga saaro, oo laysarka uu iftiimiyo dusha dhagaxa, nuuggu wuu daciifayaa, tamar badan oo leysarkana waxaa ku kala firdhisan dhagaxa.Sidaa darteed, waxaa jira isbeddel yar oo ku yimaada heerkulka dusha dhagaxa, taas oo ka ilaalinaysa waxyeellada.

Sida Loo Fuliyo Nadiifinta Laser-ka.2

Habka caadiga ah ee ugu horayn ku lug leh ficil kiimiko wuxuu dhacaa marka lagu nadiifiyo wasakhda noolaha leh laysarka hirarka dhaadheer ee ultraviolet, habka loo yaqaan ablation.Laysarada ultraviolet waxay leeyihiin mawjadaha dhaadheer oo gaaban iyo tamar photon sare leh.Tusaale ahaan, laser excimer KrF oo leh mowjad dhererkeedu yahay 248 nm waxa uu leeyahay tamar photon ah 5 eV, taas oo 40 jeer ka sarraysa ta CO2 laser photons (0.12 eV).Tamarta photon sare ee noocan oo kale ah ayaa ku filan inay jebiso curaarta molecular ee alaabta organic, taasoo keenta CC, CH, CO, iwm. dusha sare.

Habka Shock ee Nadiifinta Laser:

Habka shoogga ee nadiifinta laysarka waxay ku lug leedahay falcelin taxane ah oo dhaca inta lagu jiro isdhexgalka u dhexeeya laysarka iyo walxaha, taasoo keentay mowjado shoog ah oo saameeya dusha walxaha.Iyada oo ay saameeyaan mowjadahan shoogga ah, wasakhowga dusha sare ayaa burbura oo noqda boodh ama jajab, iyaga oo ka sii jeeda dusha sare.Hababka keenaya hirarkan shoogga ah waa kala duwan yihiin, oo ay ku jiraan balaasmaha, uumiga, iyo fidinta kulaylka degdega ah iyo ifafaalaha foosha.

Qaadashada mowjadaha shoogga balaasmaha tusaale ahaan, waxaynu si kooban u fahmi karnaa sida habka shoogga ee nadiifinta laysarka uu uga saaro wasakhowga dusha sare.Codsiga ballaca garaaca garaaca ultra-gaaban (ns) iyo awoodda ugu sarreysa ee aadka u sarreeya (107-1010 W/cm2) laysarka, heerkulka dusha sare wuxuu si xoog leh ugu kici karaa heerkulka uumiga xitaa haddii nuugista dusha sare ee laysarka uu daciif yahay.Korodhkan heerkulka degdega ah wuxuu ka dhigayaa uumiga ka sarreeya dusha shayga, sida ka muuqata sawirka (a).Heerkulka uumiga wuxuu gaari karaa 104 - 105 K, oo ku filan inuu ionize uumiga laftiisa ama hawada ku hareeraysan, sameynta balaasmaha.Balaasmadu waxay ka celisaa laysarka inuu gaaro oogada shay, laga yaabo inuu joojiyo uumiga dusha sare.Si kastaba ha ahaatee, balaasmadu waxay sii wadaa inay nuugto tamarta laysarka, iyada oo ay sii kordhinayso heerkulkeeda iyo abuurista xaalad deegaan oo heerkul aad u sarreeya iyo cadaadis.Tani waxay dhalinaysaa saamayn wakhti yar ah oo ah 1-100 kbar oogada walxaha waxayna si tartiib tartiib ah ugu gudbisaa gudaha, sida ku cad sawirada (b) iyo (c).Marka ay saameyso hirarka shoogga, wasakhowga dusha sare ayaa u jajaban oo noqda boodh yar, qaybo, ama jajab.Marka laysarka uu ka guuro meesha la shiiday, balaasmadu isla markiiba way baaba'aysaa, taas oo abuuraysa cadaadis xun oo maxalli ah, qaybaha ama jajabyada wasakhda ayaa laga saarayaa dusha sare, sida ku cad sawirka (d).

Sida Loo Fuliyo Nadiifinta Laser-ka.3

Habka Oscillation ee Nadiifinta Laser:

Nidaamka oscillation ee nadiifinta laysarka, kuleylka iyo qaboojinta alaabtu waxay u dhacdaa si aad u degdeg ah iyadoo ay saameynayso laser-gaaban.Iyada oo ay ugu wacan tahay isugeynta fidinta kulaylka ee kala duwan ee agabyada kala duwan, wasakhowga dusha sare iyo substrate-ka waxay maraan balaadhinta kulaylka-sare ee joogtada ah iyo foosha heerar kala duwan marka ay la kulmaan shucaaca laser-gaaban.Tani waxay keenaysaa saameyn oscillatory ah taas oo keenta in wasakhdu ay ka soo baxdo dusha walxaha.

Inta lagu jiro habka diirintan, waxaa laga yaabaa in uumiga shayku aanu dhicin, sidoo kale balasmaha lama samaynin.Taa baddalkeeda, geeddi-socodku wuxuu ku tiirsan yahay xoogagga dhogorta leh ee ka dhasha is-dhexgalka ka dhexeeya wasakhowga iyo substrate-ka hoos yimaada ficilka oscillatory, kaas oo jebiya xiriirka u dhexeeya.Daraasaduhu waxay muujiyeen in waxoogaa kordhinta xagasha dhacdooyinka laysarka ay kor u qaadi karto xidhiidhka ka dhexeeya laysarka, wasakhowga qaybsan, iyo isdhexgalka substrate-ka.Habkani wuxuu hoos u dhigayaa marinka nadiifinta laysarka, taasoo ka dhigaysa saamaynta oscillatory mid aad u cad oo hagaajinaysa waxtarka nadiifinta.Si kastaba ha noqotee, xagasha dhacdadu waa inaysan noqon mid aad u weyn, sababtoo ah xagal aad u sarreeya ayaa yarayn kara cufnaanta tamarta ee ku shaqeysa dusha maaddada, taas oo wiiqaysa awoodda nadiifinta laysarka.

Codsiyada Warshadaha ee Nadiifinta Laser:

1: Warshada caaryada

Nadiifinta laser-ku waxay awood u siinaysaa nadiifinta aan lala xidhiidhin ee caaryada, hubinta badbaadada meelaha caaryada ah.Waxay dammaanad qaadaysaa saxnaanta oo waxay nadiifin kartaa walxaha wasakh-hoosaadka ah ee hababka nadiifinta dhaqameedku ay ku adkaan karto in meesha laga saaro.Tani waxay gaadhaysaa nadiifin tayo sare leh oo nadiif ah oo aan wasakh ahayn, hufan.

Sida Loo Fuliyo Nadiifinta Laser-ka.4

2: Warshadaha Qalabka Saxda ah

Warshadaha farsamada saxda ah, qaybaha inta badan waxay u baahan yihiin inay yeeshaan esters iyo saliidaha macdanta loo isticmaalo sifaynta iyo iska caabinta daxalka.Hababka kiimikaad ayaa caadi ahaan loo adeegsadaa nadiifinta, laakiin inta badan waxay ka tagaan hadhaaga.Nadiifinta laser waxay si buuxda uga saari kartaa esters iyo saliidaha macdanta iyada oo aan waxyeello u geysan dusha qaybaha.Qaraxyada Laser-ku-abuuray ee lakabyada oksaydhyada ee dusha sare ee qaybaha ayaa keena mowjado shoog ah, taasoo keenta in wasakhda laga saaro iyada oo aan la falgelin farsamo.

Sida Loo Fuliyo Nadiifinta Laser-ka.5

3: Warshadaha Xadiidka

Waqtigan xaadirka ah, nadiifinta tareenka ka hor alxanka inta badan waxay isticmaashaa shiididda giraangiraha iyo ciid, taasoo u horseedaysa burbur ba'an substrate iyo walbahaarka haraaga ah.Waxaa intaa dheer, waxay isticmaashaa qadar aad u badan oo ah isticmaalka qashinka, taas oo keenta kharashyo badan iyo wasakh halis ah.Nadiifinta laser-ku waxay ku siin kartaa farsamo nadiifin tayo sare leh, hufan, iyo deegaanka saaxiibtinimo leh oo loogu talagalay soo saarista jidadka tareenada xawaaraha sare leh ee Shiinaha.Waxay wax ka qabataa arrimaha ay ka midka yihiin godadka tareenada ee aan xidhnayn, meelaha cawlan, iyo ciladaha alxanka, iyada oo kor u qaadaysa xasiloonida iyo badbaadada hawlgallada xawliga sare leh ee tareenada.

4: Warshadaha Duulimaadka

Dusha sare ee diyaaraduhu waxay u baahan yihiin in dib loo rinjiyeeyo muddo cayiman ka dib, laakiin ka hor rinjiyeynta, rinjiga hore waa in gebi ahaanba la saaraa.Immersion/masixida kiimikadu waa habka ugu wayn ee rinjiyeynta qaybta duulista, taasoo keenaysa wasakh kiimiko oo la taaban karo iyo awood la'aanta in lagu gaadho ka saarida rinjiga gudaha si loo dayactiro.Nadiifinta laser-ka waxay gaari kartaa ka saarista rinjiga tayada sare leh ee maqaarka diyaaradda waxayna si fudud ula qabsan kartaa wax soo saarka otomaatiga ah.Waqtigan xaadirka ah, tignoolajiyadan ayaa bilaabatay in lagu dabaqo dayactirka qaar ka mid ah moodooyinka diyaaradaha heerka sare ah ee dibadda.

5: Warshadaha badda

Nadiifinta ka-hor-soo-saarka warshadaha badda waxay caadi ahaan isticmaashaa hababka ciid-qarxinta, taasoo u keenta wasakh daran siigada deegaanka ku xeeran.Maadaama ciid-qarxinta si tartiib tartiib ah loo mamnuucayo, waxay keentay hoos u dhaca wax soo saarka ama xitaa xiritaanka shirkadaha dhisa maraakiibta.Tiknoolajiyada nadiifinta laser waxay siin doontaa xal nadiifin cagaaran iyo wasakh la'aan ah oo loogu talagalay daaha ka-hortagga daxalka ee dusha markabka.

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