Yuav ua li cas xaiv Laser Safety Film: OD, VLT & Wavelength Guide

Aug 14, 2026 Tso lus

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Yuav ua li cas xaiv Laser Safety Zaj duab xis: Wavelength, Optical Density (OD), VLT & Qhov rai Loj piav qhia

Xaiv txoj cailaser kev nyab xeeb zaj duab xisxav tau ntau tshaj qhov sib piv cov khoom mus rau qhov dav dav wavelength.Laser wavelength, optical ceev (OD), spectral transmittance, pom lub teeb kis (VLT), thiab qhov rais lojtxhua yam cuam tshuam rau kev xaiv lim thiab siv tswv yim. Phau ntawv qhia no piav qhia seb yuav ntsuas li caslaser tiv thaiv zaj duab xis rau qhov rais, nkag siab OD thiab spectral kis cov ntaub ntawv, sib piv kev tiv thaiv ntawm wavelengths xws li808nm thiab 1064nm, thiab txheeb xyuas cov ntaub ntawv tseem ceeb B2B cov neeg yuav khoom yuav tsum muab ua ntej xaiv cov kev daws teeb meem laser kev nyab xeeb.

 
1396

cov tswv cuab nquag

 
12+

xyoo kev

 
125+

xwm txheej & kev sib tw

Xaiv txoj cailaser kev nyab xeeb zaj duab xistsis yog hais txog kev xaiv qhov tsaus ntuj - cov yeeb yaj kiab xim lossis xaiv qhov pom qhov pom tseeb tshaj plaws.

Rau lub chaw soj nstuam laser, muaj chaw laser, kev tshawb fawb ib puag ncig thiab OEM laser tshuab, alaser tiv thaiv zaj duab xisyuav tsum tau xaiv raws li qhov tseeb laser kev phom sij thiab kev teeb tsa.

Plaub yam tseem ceeb tshwj xeeb tshaj yog:

Laser wavelength → Optical Density (OD) → Visible Light Transmission (VLT) → Qhov rai Loj

Phau ntawv qhia no piav qhia yuav ua li cas ntsuas cov xwm txheej no, nyeem alaser kev nyab xeeb zaj duab xis spectral OD nkhaus, thiab dab tsi B2B buyers yuav tsum tau xyuas ua ntej txhim kho laser tiv thaiv zaj duab xis ntawm lub qhov rais saib.

1. Pib nrog koj lub laser wavelength

Thawj lo lus nug thaum xaivlaser kev nyab xeeb zaj duab xisyuav tsum yog:

Dab tsi wavelength kuv laser tsim?

Laser tiv thaiv yog wavelength - tshwj xeeb. Tib zaj duab xis tuaj yeem muab qhov sib txawv attenuation ntawm qhov sib txawv wavelengths.

Piv txwv li:

Laser Source Hom Wavelength Yuav Ua Li Cas
Ntsuab Laser 532nm ua ua 532nm
Alexandrite Laser 755nm ua OD 755nm
Diode Laser 808nm ua ua 808nm
Nd: YAG / Fiber Laser 1064nm ua OD ntawm 1064nm
CO₂ Laser 10600nm / 10.6μm Kev tiv thaiv ntawm 10.6μm

Qhov no yog vim li cas cov lus piav qhia xws li"IR laser tiv thaiv zaj duab xis"los yog"high-OD laser zaj duab xis"tsis txaus rau kev xaiv kws tshaj lij.

Rau ntau- wavelength laser systems, txhua qhov teeb meem muaj teeb meem wavelength yuav tsum tau soj ntsuam tus kheej.

Qhov pib qhov tseeb yog:

Yas Laser Wavelength → Xav tau kev tiv thaiv → Tsim nyog Laser Safety Film

2. Dab tsi Optical Density Koj Laser Safety Film Xav Tau?

Tom qab txheeb xyuas lub wavelength, tus parameter tom ntej yogOptical Density (OD).

Optical density piav qhia tias yuav ua li cas lub lim dej kho qhov muag kom txo tau cov hluav taws xob ntawm lub wavelength.

Optical Density Kwv yees li. Kev sib kis Kwv yees li. Attenuation
OD 1 10% 10×
OD 2 1% 100×
OD 3 0.1% 1,000×
OD 4 0.01% 10,000×
OD 5 0.001% 100,000×
OD 6 0.0001% 1,000,000×

Txawm li cas los xij, muaj ob txoj cai tseem ceeb:

OD siab dua tsis tau zoo dua.

thiab

OD yuav tsum tau soj ntsuam ib txwm ua ke nrog wavelength.

Piv txwv li, tsuas piav txog ib yam khoom li"OD4 laser kev nyab xeeb zaj duab xis"tsis qhia tus neeg yuav khoom seb OD4 siv ntawm 532nm, 808nm, 1064nm lossis lwm qhov wavelength.

Ib qho txiaj ntsig zoo dua yog:

190-370nm → OD4
800-950nm → OD3
950-1600nm → OD4

Qhov yuav tsum tau OD yuav tsum tau txiav txim raws li qhov tseeb laser wavelength, kev khiav hauj lwm tsis, raug tej yam kev mob thiab siv tau rau laser kev nyab xeeb yuav tsum tau.

3. Yuav Ua Li Cas Nyeem Ib Zaj Duab Xis Laser Kev Nyab Xeeb Spectral OD Curve

A laser kev nyab xeeb zaj duab xis spectral OD nkhausqhia li cas optical ceev hloov nrog wavelength.

Qhov no muab cov ntaub ntawv muaj txiaj ntsig ntau dua li saib ntawm ib tus lej OD ntau tshaj plaws.

laser-safety-film-od3-od4-spectral-curve-190-1600nm

Daim duab 1. Laser kev nyab xeeb zaj duab xis spectral OD nkhaus qhia tau hais tias OD4 tiv thaiv ntawm 190–370nm thiab 950–1600nm, thiab OD3 ntawm 800–950nm.

Raws li cov ntaub ntawv tiv thaiv tau qhia nrog qhov nolaser tiv thaiv zaj duab xis:

Wavelength Range Optical Density Thaj tsam Spectral
190-370 nm OD 4 UV
800-950 nm OD 3 Nyob ze -Infrared
950-1600 nm OD 4 Nyob ze -Infrared

Qhov no qhia txog ib qho tseem ceeb:

Tib lub laser kev nyab xeeb zaj duab xis tsis tas yuav muab tib yam OD ntawm txhua qhov wavelength.

Piv txwv li:

808nm → poob hauv 800-950nm → OD3

thaum:

1064nm → poob hauv 950-1600nm → OD4

Yog li ntawd, zaj duab xis yuav tsum tsis txhob tsuas yog piav raws li "OD4" yam tsis tau txheeb xyuas qhov siv tau wavelength ntau yam.

Rau cov neeg yuav khoom, cov lus nug zoo dua yog:

Dab tsi OD no laser kev nyab xeeb zaj duab xis muab rau kuv qhov tseeb laser wavelength?

4. 808nm vs 1064nm: Yog vim li cas Wavelength Matching Matters

Xav txog ob qho tib si nyob ze -infrared laser wavelengths:808nm thiab 1064nm.

Ob leeg yog NIR wavelengths, tab sis cov piv txwv zaj duab xis tsis muab tib yam teev OD ntawm ob qho tib si.

808nm Laser Safety Zaj duab xis

808nm ntog hauv qhov teev tseg:

800-950nm → OD3

Yog li ntawd, raws li tau teev tseg kev tiv thaiv band, zaj duab xis muabua 808nm3.

Yog li ntawd nws yuav raug soj ntsuam rau qee yam808nm diode laser tiv thaiv daim ntaub ntawv, muab OD3 txaus siab rau qib kev tiv thaiv uas yuav tsum tau ua rau lub tshuab laser tiag tiag.

1064nm Laser Safety Zaj duab xis

1064nm poob hauv:

950-1600nm → OD4

Yog li ntawd, qhov kev tiv thaiv theem ntawm 1064nm yogOD 4.

Qhov no ua rau zaj duab xis cuam tshuam rau kev ntsuam xyuas hauv qee yam1064nm Nd: YAG laser thiab fiber ntau laser qhov rais tiv thaiv daim ntaub ntawv, muab OD4 ua tau raws li qhov yuav tsum tau muaj kev tiv thaiv qib.

Kev sib piv yog ncaj nraim:

Laser wavelength Tiv thaiv Band Specified OD
808nm ua 800-950 nm OD 3
1064nm ua 950-1600 nm OD 4

Qhov no yog vim li cas cov neeg yuav khoom yuav tsum tsis txhob xaivNIR laser kev nyab xeeb zaj duab xisraws li cov xim lossis cov lus piav qhia dav infrared wavelength.

5. Qhov Kev Ntsuas Laser Zaj Duab Xis Qhia Peb Li Cas?

Lwm txoj hauv kev kom nkag siab txog tus cwj pwm kho qhov muag ntawmlaser tiv thaiv zaj duab xisyog los ntawm spectral transmissivity.

Spectral transmittance piav qhia txog qhov xwm txheej hluav taws xob ntau npaum li cas dhau los ntawm cov lim dej ntawm qhov tshwj xeeb wavelength.

Cov txiaj ntsig ntawm laser zaj duab xis hauv qab no muab cov txiaj ntsig sib kis ntawm peb nyob ze -infrared wavelengths.

laser-safety-film-transmissivity-test-850-1550nm

Daim duab 2. Laser kev nyab xeeb zaj duab xis spectral transmittance test uas qhia kev ntsuas qhov sib kis ntawm 850nm, 1150nm thiab 1550nm.

Cov txiaj ntsig tau pom hauv qhov kev xeem yog:

Lub wavelength Ntsuas Spectral Transmittance
850nm ua 2.74%
1 150nm 0.03%
1 550nm 0.02%

Qhov kev sim qhia txog qhov ntawdspectral kis tau tus mob tuaj yeem hloov pauv nrog wavelength.

Hauv qhov tshwm sim no, kev sib kis tau txo qis los ntawm 850nm mus rau qhov ntev dua nyob ze -infrared wavelengths qhia hauv kev ntsuas.

Rau cov neeg yuav khoom B2B, qhov no txhawb nqa lub hauv paus tseem ceeb:

"NIR laser kev nyab xeeb zaj duab xis" tsis txhais hais tias zoo tib yam attenuation thoob plaws tag nrho nyob ze -infrared spectrum.

Kev ua haujlwm kho qhov muag yuav tsum tau kuaj xyuas ntawm lub wavelength uas cuam tshuam rau daim ntawv thov laser tiag.

5. Qhov Kev Ntsuas Laser Zaj Duab Xis Qhia Peb Li Cas?

Optical Density (OD)thiabspectral transmittancepiav qhia txog cov khoom siv kho qhov muag.

Hauv daim ntawv simplified:

OD=−log₁₀(T)

qhov twgTyog kis tau tus mob raws li tus lej.

Piv txwv li:

10% kis tau tus mob → OD1

1% kis tau tus mob → OD2

0.1% kis tau tus mob → OD3

0.01% kis tau tus mob → OD4

Qhov kev sib raug zoo no pab piav qhia tias vim li cas cov kev hloov me me hauv feem pua ​​​​ntawm cov kis tau tuaj yeem sawv cev rau cov kev hloov pauv tseem ceeb hauv optical attenuation.

Txawm li cas los xij, cov neeg yuav khoom yuav tsum zam kom tsis txhob suav cov khoom pov thawj lossis teev OD los ntawm qhov qis - daws teeb meem ib leeg.

Siv tus neeg muag khoom qhov kev tiv thaiv tshwj xeeb thiab cov ntaub ntawv siv tau thaum ntsuas alaser kev ruaj ntseg qhov rais zaj duab xisrau lub tshuab laser tiag tiag.

7. Spectral Transmittance tsis zoo ib yam li VLT

Qhov kev sib txawv no yog qhov tseem ceeb.

Cov txiaj ntsig tau pom hauv daim duab 2-xws li:

2.74% ntawm 850nm

0.03% ntawm 1150nm

0.02% ntawm 1550nm

yogspectral transmittance qhov tseem ceeb ntawm cov wavelengths tshwj xeeb.

Lawv yuav tsum tsis txhob piav raws li zaj duab xis tag nrhoVisible Light Transmission (VLT).

Spectral Transmittance

Piav qhia ntau npaum li cas hluav taws xob hla dhau lub lim ntawm atshwj xeeb wavelength.

Visible Light Transmission (VLT)

Piav qhia txog kev kis ntawm lub teeb nyob rau hauv lubpom spectral cheeb tsamthiab yog siv los ntsuas qhov ua tau zoo ntawm kev ua haujlwm los ntawm kev lim dej.

Yog li ntawd:

Spectral OD / Transmittance → Laser attenuation

thaum:

VLT → Ua haujlwm pom kev

Cov kev ntsuas no teb cov lus nug sib txawv thiab yuav tsum tsis txhob totaub.

8. Vim li cas VLT tseem tseem ceeb rau Laser Safety Film

Tom qab lees paub qhov yuav tsum tau muaj kev tiv thaiv wavelength,Visible Light Transmission (VLT)dhau los ua ib qho tseem ceeb rau kev saib lub qhov rais.

Nyob rau hauv cov nqe lus siv:

Siab dua VLT → Ci ntsa iab ua haujlwm pom

Lower VLT → Darker saib tej yam kev mob

Txawm li cas los xij, cov yeeb yaj kiab tsaus nti tsis tuaj yeem muaj kev nyab xeeb dua.

Qhov tseem ceeb ntawm kev xaiv kom raug yog:

Yuav tsum muaj kev tiv thaiv Laser Thawj → Tsim nyog ua haujlwm pom qhov thib ob

Piv txwv li, ob1064nm laser kev nyab xeeb filmstuaj yeem ua raws li qhov xav tau kev tiv thaiv ntawm 1064nm thaum muab cov qib sib txawv ntawm pom - lub teeb kis tau tus mob.

Yog tias ob qho tib si ua tau raws li qhov yuav tsum tau muaj kev tiv thaiv laser, VLT yuav dhau los ua qhov tseem ceeb thib ob rau cov neeg ua haujlwm uas yuav tsum tau soj ntsuam cov cuab yeej los ntawm lub qhov rais.

Yog tias cov ntaub ntawv pov thawj VLT tsis muaj rau cov yeeb yaj kiab tshwj xeeb, nws yuav tsum tsis txhob kwv yees los ntawm cov yeeb yaj kiab xim lossis cov duab pom.

9. Ntsuas lub qhov rais ua ntej xaiv Laser Safety Film

Kev ua haujlwm kho qhov muag tsuas yog ib feem ntawm cov txheej txheem xaiv.

Rau lub qhov rais uas twb muaj lawm, ntsuas:

Qhov rai dav × Qhov rai qhov siab

Kuj ntsuas:

  • Qhov chaw pom meej
  • Tag nrho glazing qhov ntev
  • Qhov rai ncej
  • Tus naj npawb ntawm panels
  • Ntug tej yam kev mob
  • Tam sim no pob tshab substrate
  • Yuav tsum tau ua yeeb yaj kiab
  • Installation nkag

Rau B2B tej yaam num, muab aqhov rais yees duab ua ke nrog qhov dav thiab qhov siab ntsuastuaj yeem ua cov khoom xaiv thiab hais lus ntau npaum li cas.

Vim Li Cas Tag Nrho Qhov Tseem Ceeb

Qhov chaw saib yuav tsum raug ntsuas raws li kev tiv thaiv tag nrho.

Kev thovlaser tiv thaiv zaj duab xistsuas yog mus rau qhov chaw ntawm lub qhov rais thaum tawm hauv qhov chaw tsis muaj kev tiv thaiv ib puag ncig ntawm cov npoo yuav tsis muab kev tiv thaiv tag nrho.

Qhov ntev ntawm lub qhov rais, zaj duab xis coverage thiab installation tej yam kev mob yuav tsum tau soj ntsuam ua ke.

10. Laser Safety Film puas tuaj yeem siv rau lub qhov rais uas twb muaj lawm?

Ib qho txiaj ntsig zoo ntawmlaser kev ruaj ntseg qhov rais zaj duab xisyog lub peev xwm los ntsuas nws raws li qhov kev daws teeb meem rov qab rau qhov chaw pom pob tshab uas twb muaj lawm.

Cov txheej txheem xaiv ib txwm yog:

Qhov rai uas twb muaj lawm → Laser wavelength → Xav tau OD → Zaj duab xis xaiv → Qhov rai ntsuas → Kev ntsuam xyuas kev teeb tsa

Qhov no tuaj yeem cuam tshuam rau:

Laser Laboratories- cov qhov rais soj ntsuam nyob ib ncig ntawm cov chaw laser tswj.

Industrial Laser tej chaw- saib thaj chaw nyob ib puag ncig cov cuab yeej laser.

Cov Chaw Tshawb Fawb- cov pob tshab uas twb muaj lawm uas xav tau wavelength - tshwj xeeb attenuation.

Cov khoom siv laser- daim ntawv thov uas cov neeg ua haujlwm yuav tsum tau soj ntsuam cov khoom siv los ntawm qab lub pob tshab thaiv.

Txawm li cas los xij, kev thov zaj duab xis tsis tuaj yeem ua rau txhua lub qhov rais uas twb muaj lawm tsim nyog rau txhua daim ntawv thov laser.

Lub substrate uas twb muaj lawm, txoj kev teeb tsa, ua tiav cov teeb meem laser thiab cov kev xav tau kev nyab xeeb yuav tsum tau txiav txim siab.

11. Laser Safety Film vs Laser Safety Qhov rai

Yuav tsum koj retrofit lub qhov rais uas twb muaj lawm nroglaser kev nyab xeeb zaj duab xis, lossis hloov nws nrog lub qhov rais kev nyab xeeb laser?

Nws nyob ntawm daim ntawv thov.

Kev xav tau Laser Safety Zaj duab xis Laser Safety Qhov rai
Qhov rai uas twb muaj lawm retrofit Tus neeg sib tw muaj zog rau kev ntsuam xyuas Feem ntau yuav tsum tau hloov
Tshiab enclosure tsim Ua tau Feem ntau yooj yim rau kev koom ua ke
Kev cai qhov ntev Yooj yim Tej zaum yuav xav tau kev cai fabrication
Kev tiv thaiv wavelength Lim -nyob Lim -nyob
Optical Density Wavelength - tshwj xeeb Wavelength - tshwj xeeb
VLT Zaj duab xis- nyob ntawm Lim -nyob
Mechanical kev ua tau zoo Nyob ntawm cov substrate uas twb muaj lawm Nyob ntawm qhov rais kev tsim kho

Tsis muaj kev xaiv yuav zoo dua.

Rau qhov chaw uas twb muaj lawm,laser tiv thaiv zaj duab xistej zaum yuav muab ib txoj hauv kev retrofit qhov twg technically tsim nyog.

Rau lub tshuab tshiab lossis cov ntaub thaiv npog, lub hom phiaj - xaivlaser kev ruaj ntseg qhov raistej zaum yuav yooj yim rau kev koom ua ke rau hauv kev tiv thaiv tag nrho.

12. 6 Feem ntau yuam kev thaum xaiv Laser Safety Film

yuam kev 1 - Xaiv los ntawm Xim Xim

Ib zaj duab xis pom xim tsis tsim kom muaj kev tiv thaiv ntawm ib qho laser wavelength tshwj xeeb.

Ua yuam kev 2 - Saib tsuas yog nyob rau qhov siab tshaj plaws OD

Ib zaj duab xis tuaj yeem muab qhov sib txawv ntawm qhov sib txawv ntawm qhov sib txawv wavelengths.

Ua yuam kev 3 - Tsis quav ntsej txog Wavelength Range

"OD4" ib leeg ua tsis tiav. Cov neeg yuav khoom yuav tsum paubOD4 ntawm qhov wavelength?

Ua yuam kev 4 - Piv txwv tias ib zaj duab xis tiv thaiv txhua Laser

Ib zaj duab xis haum rau 1064nm yuav tsum tsis txhob cia li xav tias tsim nyog rau 532nm, 808nm lossis lwm qhov wavelength.

yuam kev 5 - Piv txwv tias Darker txhais tau tias muaj kev nyab xeeb dua

Pom pom qhov tsaus ntuj thiab wavelength - tshwj xeeb laser attenuation yog txawv optical zog.

Ua yuam kev 6 - Tsis quav ntsej Qhov Kev Pabcuam Qhov rai

Txawm tias qhov tsim nyog lim yuav tsum raug soj ntsuam raws li ib feem ntawm qhov ua tiav kev pom kev thaiv thiab kev teeb tsa.

Txoj cai yooj yim tshaj plaws yog:

Tsis txhob xaiv laser kev nyab xeeb zaj duab xis los ntawm cov xim los yog OD ib leeg- phim lub laser wavelength ua ntej.

13. Laser Kev Nyab Xeeb Zaj Duab Xis Xaiv Daim Ntawv Teev Npe rau cov neeg yuav khoom B2B

Ua ntej thov cov lus hais, sau rau ntawm cov ntaub ntawv no:

1. Laser wavelength

Piv txwv li:

355nm / 532nm / 755nm / 808nm / 1064nm / lwm yam

2. Hom Laser

Piv txwv li:

Diode / Nd: YAG / Fiber / Ntsuab Laser / Lwm yam

3. Laser kev khiav hauj lwm Parameters

Qhia seb lub laser puas yogCW los yog pulsedthiab muab cov kev ua haujlwm cuam tshuam.

4. Yuav tsum tau kho qhov muag ntom ntom

Yog tias qhov xav tau OD twb tau txiav txim siab lawm, suav nrog koj qhov kev nug.

5. Qhov rai Dimensions

Muab:

Dav × Qhov siab × Qhov ntau

6. Cov ntaub ntawv kev teeb tsa

Muab cov duab lossis kos duab ntawm lub qhov rais uas twb muaj lawm yog qhov ua tau.

Cov txheej txheem xaiv B2B siv tau yog:

Laser Parameters → Wavelength → Xav tau OD → Zaj duab xis tiv thaiv ntau yam → VLT → Qhov rai Loj → Kev teeb tsa

14. Xav tau kev pab xaiv Laser Safety Film?

Cov tshuab laser sib txawv xav tau kev tiv thaiv sib txawv.

Raulaser chaw soj nstuam, muaj laser chaw, chaw tshawb fawb, khoom siv manufacturers, distributors thiab OEM tej yaam num, zaj duab xis yuav tsum tau soj ntsuam raws li qhov tseeb laser thiab qhov rais yuav tsum tau.

Thaum thov alaser kev nyab xeeb zaj duab xis daws, muab:

  • Hom Laser
  • Laser wavelength
  • CW / Pulsed
  • Laser Parameters
  • Yuav tsum tau OD
  • Qhov rai Loj
  • Ntau
  • Daim ntawv thov

Piv txwv li, ib808nm laser kev nyab xeeb zaj duab xisthiab a1064nm laser kev nyab xeeb zaj duab xistej zaum yuav xav tau cov kev xav sib txawv OD txawm tias tib lub lim dej npog ob lub wavelengths.

CTA: Xa koj Laser Wavelength & Qhov rai Loj →

Cov lus nug nquag nug txog Laser Safety Film

1. OD4 txhais li cas rau laser kev nyab xeeb zaj duab xis?

OD4 sib raug rau kwv yees li0.01% kis tau tus mob los yog 10,000 × attenuationntawm lub wavelength qhov twg OD4 siv. Nco ntsoov xyuas lub wavelength ua ke nrog tus nqi OD.

2. Puas yog OD4 laser kev nyab xeeb zaj duab xis muab OD4 ntawm txhua qhov wavelength?

Tsis yog. Optical ceev nws txawv nrog wavelength. Piv txwv li, zaj duab xis piav qhia saum toj no yog teev raws liOD4 ntawm 190-370nm thiab 950-1600nm, thaum 800-950nm ntau yog OD3.

3. Cov yeeb yaj kiab laser no puas tuaj yeem siv rau 808nm diode laser?

808nm ntog hauv qhov teev800-950nm OD3kev tiv thaiv band. Txawm hais tias OD3 txaus nyob ntawm qhov yuav tsum tau muaj kev tiv thaiv txiav txim siab rau qhov tseeb 808nm laser system.

4. Kev tiv thaiv dab tsi no laser kev nyab xeeb zaj duab xis muab ntawm 1064nm?

1064nm ntog hauv qhov teev950-1600nm OD4kev tiv thaiv band. Qhov ntsuas qhov muag pom ntawm 1064nm yog li OD4.

5. Puas yog spectral transmittance zoo ib yam li VLT?

Tsis yog. Spectral transmittance piav qhia txog kev sib kis ntawm ib lub wavelength tshwj xeeb, xws li 850nm lossis 1550nm.VLT piav qhia pom - lub teeb kis tau tus mobthiab yog siv los ntsuas kev ua haujlwm pom los ntawm lub lim.

6. Cov ntaub ntawv dab tsi kuv yuav tsum muab thaum xaj cov yeeb yaj kiab laser?

Muab koj lilaser wavelength, laser kev khiav hauj lwm tsis, yuav tsum tau OD yog paub, qhov ntev qhov ntev, kom muaj nuj nqis thiab daim ntawv thov. Rau cov haujlwm retrofit, cov duab lossis kos duab ntawm lub qhov rais uas twb muaj lawm kuj tseem muaj txiaj ntsig.

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