Kev puas tsuaj tshwm sim los ntawm kev siv lasers: laser tawg puas tsuaj, hluav taws xob puas tsuaj, txhua yam puas tsuaj, plua plav roj puas.

1.1 Laser class definition
Chav Kawm 1: Muaj kev nyab xeeb hauv lub cuab yeej. Feem ntau qhov no yog vim hais tias lub beam raug kaw tag nrho, xws li hauv CD player.

Chav Kawm 1M (Class 1M): Muaj kev nyab xeeb hauv lub cuab yeej. Tab sis muaj kev phom sij thaum tsom los ntawm lub iav tsom iav lossis tsom iav.

Chav Kawm 2 (Class 2): Nws muaj kev nyab xeeb raws li kev siv ib txwm siv. Pom lub teeb pom kev nrog lub wavelength ntawm 400-700nm thiab lub qhov muag lub ntsej muag reflex (lub sijhawm teb 0.25S) tuaj yeem zam kev raug mob. Xws li cov khoom siv feem ntau muaj tsawg dua 1mW lub zog, xws li laser pointers.

Chav Kawm 2M: Muaj kev nyab xeeb hauv lub cuab yeej. Tab sis muaj kev phom sij thaum tsom los ntawm lub iav tsom iav lossis tsom iav.

Chav Kawm 3R (Class 3R): Lub hwj chim feem ntau ncav cuag 5mW, thiab muaj qhov pheej hmoo me me ntawm qhov muag puas thaum lub sij hawm blink reflex. Kev saib ntawm lub nqaj li ob peb vib nas this tuaj yeem ua rau muaj kev puas tsuaj rau lub retina tam sim ntawd

Chav Kawm 3B: Kev raug hluav taws xob laser tuaj yeem ua rau lub qhov muag puas.

Chav Kawm 4: Laser tuaj yeem hlawv daim tawv nqaij, thiab qee zaum, txawm tias lub teeb tawg tawg tuaj yeem ua rau qhov muag thiab tawv nqaij puas. Ua rau hluav taws lossis tawg. Ntau qhov kev lag luam thiab kev tshawb fawb lasers poob rau hauv chav kawm no.

1.2 Cov txheej txheem ntawm kev puas tsuaj laser feem ntau yog cov nyhuv thermal ntawm laser, lub teeb siab thiab cov tshuaj tiv thaiv photochemical. Qhov raug mob feem ntau yog tib neeg qhov muag thiab tawv nqaij. Kev puas tsuaj rau tib neeg lub qhov muag: Nws tuaj yeem ua rau lub cornea thiab retina puas. Qhov chaw thiab thaj tsam ntawm qhov kev puas tsuaj nyob ntawm qhov wavelength thiab theem ntawm lub laser. Kev puas tsuaj los ntawm laser rau tib neeg lub qhov muag yog qhov nyuaj. Direct, reflected thiab diffusely reflected laser beams tuaj yeem ua rau tib neeg lub qhov muag puas. Vim lub tsom teeb pom kev zoo ntawm tib neeg lub qhov muag, lub teeb infrared (tsis pom) tawm los ntawm lub laser no muaj teeb meem rau tib neeg lub qhov muag. Thaum cov hluav taws xob no nkag mus rau hauv cov menyuam kawm ntawv, nws yuav tsom mus rau retina thiab tom qab ntawd hlawv lub retina, ua rau tsis pom kev lossis qhov muag tsis pom. Kev puas tsuaj rau daim tawv nqaij: muaj zog infrared lasers ua rau kub hnyiab; ultraviolet lasers tuaj yeem ua rau kub hnyiab, mob qog noj ntshav, thiab txhim kho daim tawv nqaij laus. Laser kev puas tsuaj rau ntawm daim tawv nqaij yog tshwm sim los ntawm kev ua kom sib txawv ntawm cov pob khaus, hlwv, pigmentation, thiab ulcers, kom txog thaum cov ntaub so ntswg subcutaneous puas tag.

1.3 Cov tsom iav tiv thaiv
Lub teeb emitted los ntawm lub laser yog invisible hluav taws xob. Vim yog lub zog siab, txawm tias cov kab tawg tawg tseem tuaj yeem ua rau cov iav tsis muaj kev puas tsuaj. Lub laser no tsis tuaj nrog cov khoom siv tiv thaiv lub qhov muag, tab sis cov cuab yeej tiv thaiv qhov muag yuav tsum tau hnav txhua lub sijhawm thaum lub sijhawm ua haujlwm laser. Laser tsom iav kev nyab xeeb yog txhua yam ua tau zoo ntawm cov wavelengths tshwj xeeb. Thaum xaiv cov tsom iav zoo nkauj laser, koj yuav tsum paub cov ntaub ntawv hauv qab no: 1. Laser wavelength 2. Laser ua haujlwm hom (nruam lub teeb los yog lub teeb ci ntsa iab) 3. Lub sij hawm nthuav dav tshaj plaws (xav txog qhov xwm txheej phem tshaj plaws) 4. Qhov siab tshaj plaws irradiation zog ntom ntom ( W/cm2) los yog siab tshaj plaws irradiation zog ceev (J/cm2) 5. Muaj peev xwm raug (MPE) 6. Optical ntom ntom (OD).

1.4 Hluav taws xob puas
Lub zog hluav taws xob hluav taws xob ntawm cov khoom siv laser yog peb-theem hloov tam sim no 380V AC. Kev txhim kho thiab siv cov cuab yeej laser yuav tsum tau ua kom zoo. Thaum siv, koj yuav tsum tau xyuam xim rau hluav taws xob kev nyab xeeb kom tsis txhob raug hluav taws xob raug mob. Thaum disassemble lub laser, lub hwj chim hloov yuav tsum tau muab tua. Yog tias raug mob hluav taws xob tshwm sim, kev kho kom raug yuav tsum tau coj los tiv thaiv kev raug mob thib ob. Cov txheej txheem kho kom raug: tua lub hwj chim, tso cov neeg ua haujlwm nyab xeeb, hu rau kev pab, thiab nrog cov neeg raug mob.

1.5 Mechanical puas
Thaum tuav thiab kho lub laser, qee qhov chaw hnyav thiab muaj cov npoo ntse, uas tuaj yeem ua rau puas tsuaj los yog txiav. Koj yuav tsum hnav hnab looj tes tiv thaiv, khau tiv thaiv kev nyab xeeb thiab lwm yam khoom siv tiv thaiv ..

1.6 Gas thiab plua plav puas
Thaum laser ua tiav, cov plua plav phem thiab cov pa phem yuav raug tsim tawm. Lub chaw ua haujlwm yuav tsum tau nruab nrog lub tshuab ua pa thiab cov khoom siv plua plav, lossis hnav lub qhov ncauj qhov ntswg tiv thaiv.

1.7 Cov lus pom zoo txog kev nyab xeeb
1. Cov kev ntsuas hauv qab no tuaj yeem raug coj los txhim kho kev nyab xeeb ntawm cov khoom siv laser:
2. txwv kev nkag mus rau cov chaw laser. Qhia meej txog txoj cai nkag mus rau thaj chaw ua haujlwm laser. Kev txwv tsis pub siv tau los ntawm kev kaw lub qhov rooj thiab txhim kho lub teeb ceeb toom thiab cov cim ceeb toom rau sab nraud ntawm lub qhov rooj.
3. Ua ntej nkag mus rau hauv chav kuaj rau lub teeb ua haujlwm, dai lub teeb ceeb toom, qhib lub teeb ceeb toom, thiab ceeb toom rau cov neeg nyob ib puag ncig.
4. Ua ntej lub hwj chim ntawm lub laser, paub meej tias cov cuab yeej siv kev nyab xeeb yog siv kom raug. Xws li: lub teeb baffles, qhov chaw tiv thaiv hluav taws, tsom iav, qhov ncauj qhov ntswg, qhov rooj thaiv qhov rooj, cov khoom siv cua, thiab cov khoom siv tua hluav taws.
5. Tom qab siv lub laser, tua lub laser thiab fais fab mov ua ntej tawm.
6. Tsim cov txheej txheem kev ua haujlwm nyab xeeb, tswj thiab kho lawv tsis tu ncua, thiab ntxiv dag zog rau kev tswj hwm. Ua kev cob qhia kev nyab xeeb rau cov neeg ua haujlwm txhawm rau txhim kho lawv txoj kev paub txog kev tiv thaiv kev phom sij.