Taolo e Nepahetseng ea Mocheso bakeng sa Litsamaiso tsa Laser le Lisebelisoa tsa Indasteri Ho tloha ka 2002
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Theknoloji ea laser e tsoetse pele ka potlako lilemong tse mashome a seng makae tse fetileng. Ho tloha ho laser ea nanosecond ho isa picosecond laser ho ea femtosecond laser, butle-butle e sebelisitsoe tlhahisong ea indasteri, e fana ka tharollo bakeng sa maemo ohle a bophelo. Empa u tseba hakae ka mefuta e 3 ea li-lasers? Sengoliloeng sena se tla bua ka litlhaloso tsa bona, likarolo tsa phetoho ea nako, lits'ebetso tsa bongaka le lits'ebetso tsa ho futhumatsa metsi.
Theknoloji ea laser e tsoetse pele ka potlako lilemong tse mashome a seng makae tse fetileng. Ho tloha ho laser ea nanosecond ho isa picosecond laser ho ea femtosecond laser, butle-butle e sebelisitsoe tlhahisong ea indasteri, e fana ka tharollo bakeng sa maemo ohle a bophelo.Empa u tseba hakae ka mefuta e 3 ea li-lasers? Ha re fumaneng hammoho:
Litlhaloso tsa Nanosecond, Picosecond, le Femtosecond Lasers
Nanosecond laser e ile ea hlahisoa ka lekhetlo la pele lefapheng la indasteri ho elella bofelong ba lilemo tsa bo-1990 e le lilase tsa diode-pumped solid-state (DPSS). Leha ho le joalo, lilase tsa pele tse joalo li ne li e-na le matla a fokolang a li-watts tse 'maloa le bolelele ba 355nm. Ha nako e ntse e ea, 'maraka oa li-nanosecond lasers o holile,' me boholo ba li-lasers joale li na le nako ea ho otla ha pelo ho tloha ho mashome ho isa ho makholo a li-nanoseconds.
Picosecond laser ke laser ultra-short pulse width e ntšang maqhubu a boemo ba picosecond. Li-lasers tsena li fana ka bophara bo khuts'oane ba pulse, maqhubu a pheta-phetoang, matla a phahameng a pulse, 'me a loketse lits'ebetso tsa biomedicine, oscillation ea optical parametric oscillation, le biological microscopic imaging. Litsamaisong tsa sejoale-joale tsa ho nahana le ho sekaseka baeloji, li-lasecond lasers e se e le lisebelisoa tsa bohlokoa le ho feta.
Femtosecond laser ke laser ultra-short pulse laser e matla a holimo ka mokhoa o makatsang, e baloang ka li-femtoseconds. Theknoloji ena e tsoetseng pele e file batho menyetla e mecha ea liteko 'me e na le lisebelisoa tse pharaletseng. Tšebeliso ea laser ea femtosecond e matla haholo, e khuts'oane bakeng sa merero ea ho lemoha e molemo haholo bakeng sa karabelo ea lik'hemik'hale tse fapaneng, ho kenyeletsoa empa ha e felle feela ho bond cleavage, sebopeho se secha sa bond, phetisetso ea proton le electron, isomerization ea komporo, karohano ea limolek'hule, lebelo, angle. , le ho ajoa ha boemo ba li-intermediate tsa karabelo le lihlahisoa tsa ho qetela, lik'hemik'hale tsa lik'hemik'hale tse hlahang litharollong le phello ea li-solvents, hammoho le tšusumetso ea ho sisinyeha ha molek'hule le ho potoloha ha lik'hemik'hale.
Liyuniti tsa Phetoho ea Nako bakeng sa Nanoseconds, Picoseconds, le Femtoseconds
1ns (nanosecond) = 0.0000000001 metsotsoana = 10-9 metsotsoana
1ps (picosecond) = 0.0000000000001 metsotsoana = 10-12 metsotsoana
1fs (femtosecond) = 0.000000000000001 metsotsoana = 10-15 metsotsoana
Lisebelisoa tsa nanosecond, picosecond, le femtosecond laser process tse atisang ho bonoa 'marakeng li rehiloe ho latela nako. Lintlha tse ling, tse kang matla a pulse e le 'ngoe, bophara ba pulse, maqhubu a pulse, le matla a pulse peak, le tsona li bapala karolo ea ho khetha lisebelisoa tse nepahetseng bakeng sa ho sebetsana le lisebelisoa tse fapaneng. Nako e khuts'oane, tšusumetso e fokolang holim'a lintho tse bonahalang, e hlahisang phello e ntle ea ts'ebetso.
Lisebelisoa tsa Bongaka tsa Picosecond, Femtosecond, le Nanosecond Lasers
Nanosecond lasers e khetha ho futhumatsa le ho senya melanin letlalong, e ntan'o ntšoa 'meleng ke lisele, e leng se bakang ho fela ha liso tsa mebala. Mokhoa ona o atisa ho sebelisoa bakeng sa phekolo ea mathata a pigmentation. Li-laser tsa Picosecond li sebetsa ka lebelo le phahameng, li pshatla likaroloana tsa melanin ntle le ho senya letlalo le potolohileng. Mokhoa ona o sebetsana ka katleho le mafu a pigmented a kang nevus ea Ota le Brown cyan nevus.Femtosecond laser e sebetsa ka mokhoa oa pulses, e ka hlahisang matla a maholo ka ho panya ha leihlo, e kholo bakeng sa phekolo ea myopia.
Sistimi ea ho Pholisa bakeng sa Picosecond, Femtosecond, le Nanosecond Lasers
Ho sa tsotelehe nanosecond, picosecond kapa femtosecond laser, hoa hlokahala ho netefatsa ts'ebetso e tloaelehileng ea hlooho ea laser le ho kopanya lisebelisoa le laser chiller. Ha thepa ea laser e nepile haholoanyane, e phahamisa ho nepahala ha taolo ea mocheso. TEYU ultrafast laser chiller e na le botsitso ba mocheso oa ± 0.1 ° C le ho pholile ka potlako, e leng se etsang bonnete ba hore laser e sebetsa ka mocheso o sa khaotseng 'me e na le tlhahiso e tsitsitseng ea sefate, kahoo e ntlafatsa bophelo ba tšebeletso ea laser. Li-chiller tsa laser tsa TEYU tse potlakileng haholo li loketse mefuta ena eohle e meraro ea lisebelisoa tsa laser.
Re mona bakeng sa hau ha o re hloka.
Ka kopo tlatsa foromo ho ikopanya le rona, 'me re tla thabela ho u thusa.
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TEYU S&A Chiller e thehiloe ka 2002 e na le boiphihlelo ba lilemo tse 23 tsa tlhahiso ea chiller, 'me joale e amoheloa e le pula-maliboho ea mahlale a pholiso le molekane ea tšepahalang indastering ea laser.
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