Yakanyanya Tembiricha Kudzora kweLaser Systems uye Maindasitiri Zvikumbiro Kubva 2002
Mutauro
Laser tekinoroji yakafambira mberi nekukurumidza mumakumi mashoma emakore apfuura. Kubva nanosecond laser kusvika picosecond laser kusvika kufemtosecond laser, yakashandiswa zvishoma nezvishoma mukugadzira maindasitiri, ichipa mhinduro kune ese mafambiro ehupenyu. Asi yakawanda sei yaunoziva nezve matatu marudzi e lasers? Ichi chinyorwa chichataura nezve tsananguro yavo, nguva yekushandura zvikamu, zvekurapa zvikumbiro uye kutonhora kwemvura masisitimu.
Laser tekinoroji yakafambira mberi nekukurumidza mumakumi mashoma emakore apfuura. Kubva nanosecond laser kusvika picosecond laser kusvika kufemtosecond laser, yakashandiswa zvishoma nezvishoma mukugadzira maindasitiri, ichipa mhinduro kune ese mafambiro ehupenyu.Asi yakawanda sei yaunoziva nezve matatu marudzi e lasers? Ngationei pamwe chete:
Tsanangudzo dzeNanosecond, Picosecond, uye Femtosecond Lasers
Nanosecond laser yakatanga kuunzwa mumunda weindasitiri mukupera kwema1990 se diode-pumped solid-state (DPSS) lasers. Nekudaro, ekutanga akadai lasers aive neakaderera kuburitsa simba remawatts mashoma uye wavelength ye355nm. Nekufamba kwenguva, musika wenanosecond lasers wakura, uye mazhinji ma lasers ave ane pulse durations mumakumi kusvika kumazana ema nanoseconds.
Picosecond laser is an ultra-short pulse width laser iyo inobudisa picosecond-level pulses. Aya lasers anopa iyo yekupedzisira-ipfupi pulse hupamhi, inogadzirika yekudzokorora frequency, yakakwira pulse simba, uye yakanakira kunyorera mubiomedicine, optical parametric oscillation, uye biological microscopic imaging. Mune yemazuva ano biological imaging uye yekuongorora masisitimu, picosecond lasers ave akawedzera kukosha maturusi.
Femtosecond laser is an ultra-short pulse laser ine incredible high intensity, yakaverengerwa mufemtoseconds. Iyi tekinoroji yepamberi yakapa vanhu mikana mitsva yekuyedza isati yamboitika uye ine maapplication akafara. Iko kushandiswa kweyekupedzisira-yakasimba, pfupi-pulsed femtosecond laser kune zvinangwa zvekuonekwa kunonyanya kubatsira kune akasiyana makemikari maitiro, kusanganisira asi asina kuganhurirwa kune bond cleavage, nyowani bhondi kuumbwa, proton uye erekitironi kufambisa, komputa isomerization, mamolecular dissociation, kumhanya, kona. , uye kugoverwa kwehurumende kwemaitiro epakati uye ekupedzisira zvigadzirwa, kushandiswa kwemakemikari kunoitika mukugadzirisa uye kukanganisa kwezvinonyungudutsa, pamwe chete nekukanganiswa kwema molecular vibration uye kutenderera pane maitiro emakemikari.
Nguva Yekushandura Zvikamu zveNanoseconds, Picoseconds, uye Femtoseconds
1ns (nanosecond) = 0.0000000001 masekondi = 10-9 masekondi
1ps (picosecond) = 0.00000000000001 masekondi = 10-12 masekondi
1fs (femtosecond) = 0.000000000000001 masekondi = 10-15 masekondi
Iyo nanosecond, picosecond, uye femtosecond laser yekugadzirisa michina inowanzoonekwa pamusika inopihwa mazita zvichienderana nenguva. Zvimwe zvinhu, senge simba rekupuruzira rimwe chete, upamhi hwekupuruzira, pulse frequency, uye pulse peak simba, zvinoitawo basa mukusarudza michina yakakodzera yekugadzirisa zvinhu zvakasiyana. Iyo ipfupi nguva, iyo inokonzeresa kushoma pane chinhu chepamusoro, zvichikonzera zvirinani kugadzirisa maitiro.
Kushandiswa Kwekurapa kwePicosecond, Femtosecond, uye Nanosecond Lasers
Nanosecond lasers inosarudza kupisa uye kuparadza melanin muganda, iyo inobva yabviswa kubva mumuviri nemasero, zvichikonzera kupera kwemavara ane pigmented. Iyi nzira inowanzoshandiswa pakurapa pigmentation disorders. Picosecond lasers inoshanda nekumhanya kwakanyanya, ichipwanya melanin zvimedu pasina kukuvadza ganda rakatenderedza. Iyi nzira inonyatso kurapa pigmented zvirwere zvakadai nevus of Ota uye Brown cyan nevus.Femtosecond laser unoshanda muchimiro pulses, izvo zvinogona emit hombe simba pakarepo, mukuru pakurapa myopia.
Kutonhora Sisitimu yePicosecond, Femtosecond, uye Nanosecond Lasers
Hazvina mhosva iyo nanosecond, picosecond kana femtosecond laser, zvinodikanwa kuve nechokwadi chekushanda kwakajairwa kwemusoro welaser uye kubatanidza michina ine laser chiller. Iyo yakanyanya kurongeka iyo laser midziyo, iyo inokwidza tembiricha yekudzora kurongeka. TEYU ultrafast laser chiller ine tembiricha yakadzikama ye ± 0.1 ° C uye nekukurumidza kutonhora, iyo inova nechokwadi chekuti laser inoshanda painogara tembiricha uye ine yakagadzikana danda kubuda, nekudaro ichivandudza hupenyu hwesevhisi yelaser. TEYU ultrafast laser chillers akakodzera kune ese matatu marudzi emidziyo yelaser.
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TEYU S&A Chiller yakavambwa muna 2002 iine makore makumi maviri nemaviri ekugadzira chiller ruzivo, uye ikozvino inozivikanwa seyekutonhora tekinoroji piyona uye akavimbika shamwari muindasitiri yelaser.
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