Wararka Laser
Xakamaynta heerkulka saxda ah ee Nidaamyada Laser-ka iyo Codsiyada Warshadaha Ilaa 2002
Luqadda
Tignoolajiyada Laser-ku si xawli ah ayay u horumartay dhawrkii sano ee la soo dhaafay. Laga soo bilaabo nanosecond laser ilaa picosecond laser ilaa femtosecond laser, waxaa si tartiib tartiib ah loogu dabaqay wax soo saarka warshadaha, siinta xalalka dhammaan qaybaha nolosha. Laakiin intee in le'eg ayaad ka ogtahay 3-daan nooc ee leysarka? Maqaalkani waxa uu ka hadli doonaa qeexitaankooda, qaybaha beddelka wakhtiga, codsiyada caafimaadka iyo hababka qaboojinta biyaha.
Tignoolajiyada Laser-ku si xawli ah ayay u horumartay dhawrkii sano ee la soo dhaafay. Laga soo bilaabo nanosecond laser ilaa picosecond laser ilaa femtosecond laser, waxaa si tartiib tartiib ah loogu dabaqay wax soo saarka warshadaha, siinta xalalka dhammaan qaybaha nolosha.Laakiin intee in le'eg ayaad ka ogtahay 3-daan nooc ee leysarka? Aan isla ogaano:
Qeexitaannada Nanosecond, Picosecond, iyo Femtosecond Lasers
Nanosecond laser waxaa markii ugu horeysay lagu soo bandhigay goobta warshadaha dabayaaqadii 1990-meeyadii iyada oo ah leysarka diode-pumped solid-state (DPSS). Si kastaba ha ahaatee, lasers-kii ugu horreeyay ee noocan oo kale ah waxay lahaayeen wax soo saar hoose oo dhowr watts ah iyo dhererka hirarka 355nm. Waqti ka dib, suuqa loogu talagalay lasers nanosecond ayaa qaan gaadhay, inta badan laser-yada hadda waxay leeyihiin muddada garaaca wadnaha ee tobanaan ilaa boqolaal nanoseconds.
Laysarka Picosecond waa lesar ballaca garaaca wadnaha ultra-gaaban kaasoo siidaaya garaaca garaaca heerka picosecond. Laysaradani waxay bixiyaan balac garaaca garaaca wadnaha ultra-gaaban, soo noqnoqoshada la hagaajin karo, tamar garaaca wadnaha oo sareysa, waxayna ku fiican yihiin codsiyada biomedicine, oscillation parametric optical, iyo sawir muuqaal ah oo bayooloji ah. Nidaamyada sawir-qaadista iyo falanqaynta noolaha ee casriga ah, laysarka picosecond waxay noqdeen aalado muhiim ah oo sii kordheysa.
Laysarka Femtosecond waa laser garaaca garaaca gaaban ee aadka u gaaban oo leh xoog aad u sarreeya, oo lagu xisaabiyo femtose seconds. Farsamadan horumarsan ayaa bini'aadanka siisay fursado cusub oo tijaabo ah oo aan horay loo arag waxayna leedahay codsiyo ballaadhan. Isticmaalka leysarka femtosecond aadka u adag, garaaca gaaban ee femtosecond ee ujeedooyinka ogaanshaha ayaa si gaar ah faa'iido u leh fal-celin kiimikaad oo kala duwan, oo ay ku jiraan laakiin aan ku xaddidnayn jeexitaanka curaarta, samaynta curaarta cusub, proton iyo wareejinta elektaroonigga, isomerization isku dhafan, kala-baxa molecular, xawaaraha, xagasha , iyo qaybinta gobolka ee dhexdhexaadinta falcelinta iyo alaabada kama dambaysta ah, falcelinta kiimikaad ee ka dhacaya xalalka iyo saameynta dareeraha, iyo sidoo kale saameynta gariirka molecular iyo wareegga falcelinta kiimikada.
Qaybaha Beddelka wakhtiga ee Nanoseconds, Picoseconds, iyo Femtose seconds
1ns (nanosecond) = 0.0000000001 ilbiriqsi = 10-9 ilbiriqsi
1ps (picosecond) = 0.000000000001 ilbiriqsi = 10-12 ilbiriqsi
1fs (femtosecond) = 0.00000000000001 ilbiriqsi = 10-15 ilbiriqsi
Qalabka farsamaynta leysarka nanosecond, picosecond, iyo femtosecond laysarka sida caadiga ah lagu arko suuqa ayaa lagu magacaabaa iyadoo ku saleysan waqtiga. Qodobbada kale, sida tamarta hal garaaca wadnaha, ballaca garaaca, garaaca garaaca garaaca, iyo awoodda ugu sarreysa garaaca wadnaha, ayaa sidoo kale door ka ciyaara xulashada qalabka ku habboon ee lagu farsameeyo qalabka kala duwan. Waqtiga gaaban, saameynta yar ee dusha maaddada, taas oo keeneysa saameyn habaysan oo wanaagsan.
Codsiyada caafimaadka ee Picosecond, Femtosecond, iyo Nanosecond Lasers
Nanosecond lasers waxay si xushmad leh u kululeeyaan oo burburiyaan maqaarka maqaarka, ka dibna unugyada ayaa ka tirtira jidhka, taas oo keenta in nabarrada midabka midabka leh ay libdhaan. Habkan waxaa caadi ahaan loo isticmaalaa daawaynta xanuunada midabaynta. Laysarada Picosecond waxay ku shaqeeyaan xawaare sare, waxayna jebiyaan qaybaha melanin iyagoon waxyeello u geysan maqaarka ku hareeraysan. Habkani wuxuu si wax ku ool ah u daaweeyaa cudurrada midabka leh sida nevus of Ota iyo Brown cyan nevus. Femtosecond laser wuxuu u shaqeeyaa qaab garaaca wadnaha, kaas oo soo saari kara awood weyn isla markiiba, oo ku fiican daaweynta myopia.
Nidaamka qaboojinta ee Picosecond, Femtosecond, iyo Nanosecond Lasers
Dhib maleh nanosecond, picosecond ama femtosecond laser, waxaa lagama maarmaan ah in la hubiyo hawlgalka caadiga ah ee madaxa laserka oo lagu dhejiyo qalabka qaboojiyaha laysarka. Sida saxda ah ee qalabka laysarka, ayaa sare u kaca saxnaanta xakamaynta heerkulka. TEYU ultrafast laser chiller waxay leedahay xasilooni heerkul ah ± 0.1 ° C iyo qaboojin degdeg ah, taas oo hubinaysa in leysarka uu ku shaqeeyo heerkul joogto ah oo uu leeyahay wax soo saar xasilloon, taas oo hagaajinaysa nolosha adeegga laserka. TEYU ultrafast qaboojiyeyaasha laser waxay ku habboon yihiin dhammaan saddexdan nooc ee qalabka laysarka.
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TEYU S&A Chiller waxaa la aasaasay 2002 iyadoo leh 23 sano oo waayo-aragnimo wax-soo-saar qaboojiye ah, waxaana hadda loo aqoonsan yahay hormuudka tignoolajiyada qaboojinta iyo lammaane lagu kalsoonaan karo ee warshadaha laysarka.
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