Laserspropagates raws ib qho kev taw qhia thiab muaj cov yam ntxwv ntawm zoo monochromaticity, muaj zog directionality, thiab siab brightness. Vim lub siab ci ntawm lasers, lub zog tsim los ntawm lub zog qis lasers yuav luag tib yam li lub hnub ci. Ntawm cov tib neeg lub cev, lub qhov muag muaj feem cuam tshuam rau kev puas tsuaj rau lub laser vim yog cov nyhuv tsom ntawm tib neeg lub qhov muag:
Lub teeb pom kev (400-700nm) thiab ze-infrared teeb (IR-A, 700-1400nm) tuaj yeem nkag mus rau ntawm lub qhov muag thiab ua rau muaj kev puas tsuaj rau retina, optic paj hlwb thiab nruab nrab ntawm lub qhov muag;
Lub teeb pom kev tsis pom tsuas yog ua rau lub qhov muag puas tsuaj, cov kab hluav taws xob ultraviolet (180-400}nm) tuaj yeem ua rau lub ntsej muag thiab lub ntsej muag puas tsuaj, mid-infrared rays (IR-B, 1400-3000} nm) tuaj yeem nkag mus rau ntawm qhov muag thiab ua rau cov kab mob cataracts, thiab nyob deb-infrared rays (IR-B, 1400-3000 nm) tuaj yeem nkag mus rau ntawm qhov muag thiab ua rau cov kab mob cataracts. -C, 3000 nm -1 mm) yuav ua rau lub qhov muag thiab lub qhov muag puas, hlawv lub retina, ua rau tsis pom kev lossis qhov muag tsis pom;
Cov kab nruab nrab yog nyob ntawm lossis ze ntawm thaj chaw ua haujlwm. Cov kab teeb no tshwm sim los ntawm kev xav ntawm lub teeb ci tseem ceeb ntawm ntau qhov chaw. Qhov kev siv ntawm cov kab hluav taws xob theem nrab ntawm cov ces kaum sib txawv kuj tseem txaus los ua rau qhov muag puas tsuaj;
Lub zog ntawm lub laser ntau dua, qhov ntau dua qhov kev puas tsuaj rau lub qhov muag; Qhov me me ntawm lub kaum sab xis ntawm lub laser irradiates lub qhov muag, qhov kev puas tsuaj ntau dua, vim tias qhov me me ntawm qhov xwm txheej, qhov chaw me me ntawm lub retina, thiab ntau lub zog ntom ntom;
Retinal puas yuav tshwm sim thaum hmo ntuj tshaj thaum nruab hnub vim hais tias cov menyuam kawm ntawv dilates thaum hmo ntuj thiab retina tau txais ntau lub zog laser thaum raug laser hluav taws xob ntawm tib lub zog ceev.
Raws li lub wavelength, tso zis hwj chim thiab beam yam ntxwv ntawm lub laser, theem kev nyab xeeb ntawm cov khoom siv laser muab faib ua pawg los ntawm qeb 1 mus rau qeb 4. Tus naj npawb siab dua, qhov muaj feem cuam tshuam rau lub laser system.
| Chav Kawm 1: | Class 1 laser kev ruaj ntseg cov cuab yeej muaj kev nyab xeeb. Raws li kev ua haujlwm ib txwm muaj, cov lasers no tsis muaj peev xwm ua rau muaj kev phom sij. Cov khoom no yog tsim los nrog kev txiav txim siab tshwj xeeb rau kev nyab xeeb los tiv thaiv cov neeg siv los ntawm laser hluav taws xob thaum lub sijhawm ua haujlwm laser. Ntawm cov khoom IPG, LSS thiab GLPN-500-R yog rau Class 1 cov khoom siv laser kev nyab xeeb. |
| Chav Kawm 2: | Class 2 laser kev nyab xeeb cov cuab yeej muaj qis zog, feem ntau tsawg dua 1 mW. Lub wavelength yog pom lub teeb (400-700 nm). Lub instinctive blinking cov tshuaj tiv thaiv kom tsis txhob muaj lub teeb ci tuaj yeem tiv thaiv cov neeg siv, tab sis nws tseem muaj peev xwm txaus ntshai yog tias lawv saib ntawm qhov muag liab qab rau lub sijhawm. Chav kawm 2 cov khoom siv laser kev nyab xeeb yuav tsum tau sau nrog lo lus "CAUTION". |
| Chav Kawm 3A: | Class 3A laser kev nyab xeeb cov cuab yeej, uas feem ntau ua haujlwm txog li 5 mW, kuj yuav tsum muaj "Ceev" daim ntawv lo, qee zaum hloov mus rau "Danger" daim ntawv lo. Yog tias lub ntsej muag tsuas yog ib pliag xwb, qhov kev xav ntawm lub ntsej muag ci ntsa iab yuav tiv thaiv tus neeg siv, thiab muaj qhov pheej hmoo me me ntawm qhov muag puas thaum lub ntsej muag reflex. Tab sis yog tias nws tab tom ntsia, piv txwv li thaum lub sij hawm kho qhov muag calibration, ntsia ntawm lub beam li ob peb feeb yuav ua rau lub retina tam sim ntawd puas. |
| Chav Kawm 3B: | Feem ntau hais lus, lub laser nws tus kheej tsis tsim teeb meem diffuse reflections. Class 3B laser kev ruaj ntseg cov cuab yeej tsim kev phom sij thaum saib ncaj qha rau hauv lossis rau hauv lub teeb theem nrab. Chav kawm 3B cov khoom siv laser kev nyab xeeb yuav tsum dais daim ntawv lo "DANGER". Nws raug pom zoo kom hnav qhov muag tiv thaiv kev nyab xeeb thaum siv hom laser no. |
| Chav Kawm 4: | Ntau lub lasers kev lag luam thiab kev tshawb fawb yog Class 4 laser kev nyab xeeb cov cuab yeej, uas muaj teeb meem rau lub qhov muag thiab tawv nqaij. Thawj kab teeb, theem nrab beam thiab diffuse reflection yog txhua yam txaus ntshai. Txhua chav kawm 4 laser kev nyab xeeb yuav tsum nqa daim ntawv lo "DANGER". Chav kawm 4 cov khoom siv laser kev nyab xeeb kuj tseem yuav ua rau muaj kev phom sij hauv thiab ib puag ncig cov ntaub ntawv thiab cov khoom siv hluav taws xob. Kev tiv thaiv qhov muag yuav tsum tau hnav thaum siv hom laser no. |
JTBYShield cov1mw Laser khoomtxhua tus muaj daim ntawv pov thawj chav kawm 1 laser xeem. Raws li kev ua haujlwm ib txwm muaj, cov lasers no tsis muaj kev phom sij rau kev noj qab haus huv. Cov khoom no yog tsim los nrog kev txiav txim siab tshwj xeeb rau kev nyab xeeb los tiv thaiv cov neeg siv los ntawm laser hluav taws xob thaum lub sijhawm ua haujlwm laser.
Txhawm rau tiv thaiv peb tus kheej thiab lwm tus, thov nco ntsoov thaum siv Lasers:
Txhua tus neeg ua haujlwm hauv thaj chaw ua haujlwm, suav nrog cov tsis ncaj qha siv lub tshuab laser, yuav tsum hnav lub qhov muag tsim nyog thiab lwm yam khoom siv tiv thaiv kev nyab xeeb txhua lub sijhawm ua ntej pib thiab thaum lub laser ua haujlwm.
Laser tsom iav kev nyab xeeb yog txhua yam ua tau zoo ntawm qhov tshwj xeeb wavelengths. Raws li lub tshuab laser wavelength, modulation hom, siab tshaj plaws raug lub sij hawm (ntau tshaj lub sij hawm txiav txim), siab tshaj plaws irradiation zog ceev (W / cm2) los yog siab tshaj plaws irradiation zog ceev (J / cm2), siab tshaj plaws raug (MPE) thiab optical ceev (OD ) xaiv qhov tsim nyog laser tsom iav kev nyab xeeb.
Kev ceev faj rau kev siv Lasers:
1. Thaum lub hwj chim qhib, tsis txhob saib ncaj qha ntawm qhov chaw nres nkoj laser;
2. Thaum sib dhos lub laser thiab txhua yam khoom siv kho qhov muag, thov khaws lub laser kom deb ntawm qhov pom;
3. Tsis txhob nruab lossis tshem tawm cov fibers optical lossis collimating lo ntsiab muag thaum lub laser qhib;
4. Kev sib cuam tshuam ntawm lub laser thiab cov khoom ua tiav yuav ua kom muaj kev siv hluav taws xob siab thiab pom lub teeb pom kev zoo. Xyuas kom meej tias qhov luaj li cas ntawm lub laser vaj tsev yog tsim nyog kom tsis txhob muaj qhov muag puas los ntawm pom lub teeb hluav taws xob;
6. Tsis txhob siv lasers hauv qhov chaw tsaus;
7. Tsis txhob pib lub laser yam tsis tau txuas lub coupling fiber ntau los yog zoo li optical output connector;
8. Tus neeg teb xov tooj yuav tsum qhib lub teeb ceeb toom kom ceeb toom tias "lub laser siv tau" thiab tswj cov chaw ua haujlwm laser;
9. Kev ua haujlwm tsis raug laser tuaj yeem ua rau koj ob lub qhov muag puas. Hauv kev ua haujlwm thiab lub neej, kev tiv thaiv laser tseem ceeb heev!
Cov ntaub ntawv tiv tauj:
Yog tias koj muaj lus nug, thov hu rau peb. Txawm peb cov neeg muas zaub nyob qhov twg thiab peb cov kev xav tau yog dab tsi, peb yuav ua raws li peb lub hom phiaj los muab peb cov neeg siv khoom zoo, tus nqi qis, thiab kev pabcuam zoo tshaj plaws.
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