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LASER DEFENSE serves to absorb laser radiation.

This type of eye protector consists of high optical density filter which serves to completely block laser beam.  Variety of these types of filters is available to block any laser beam from U. V. through I. R.  Filters for both single wavelength and multi-band wave length are also available.  Multi-band type of eye protector is classified by adding C as product code.

Laser absorption type.  Please note that optical density graphs are based on measurement values, not based on standard values.

FILTER CODE FRAME TYPE AVAILABILITY
COLOR &
LUMINOUS TRANS-MITTANCE
(LT)
APPLICABLE LASER WAVE-LENGTH (nm) OPTICAL DENSITY
(OD)
REMARKS
YL-130 YL-295 YL-717 YL-331 COLOR LT
EXIMER   CLEAR

 85%

EXCIMER 190 ~ 380 10 <

ArF 193nm, KrF 248nm, XeCl 308nm
Ne-N2 334nm, 337nm
He-Cd 325nm are available

Nd-YAG (FHG) 266
Nd-YAG (THG) 335
ARGON   ORANGE 45% ARGON 457.9 10 <  
488
514.5
Ne-Cd 441.6
Nd-YAG (SHG) RED 16% Nd-YAG (SHG) 532 10 <  
He-Ne     BLUE
25% He-Ne 632.8 5 <  
GOLD-VAPOR 627.8 5 <
KRYPTON 647.1 5 <
676.4 8 <
LASER DIODE 635 ~ 680 5 <
ALEXANDRITE
CE
PINK
30% ALEXANDRITE 755 6 <  
LASER DIODE 750 ~ 800 4 ~ 10
800 ~ 850 10 ~ 4
TI-SAPPHIRE 750 ~ 850 4 <
LASER DIODE 2     GREEN 27% LASER DIODE 790 ~ 910 3 ~ 6  
Nd-YAG GREEN 50% Nd-YAG 1064 6 <  
Nd-YLF 1047
1053
CO2       GREEN 60% CO2 10600 6 < YL-331: OD 6
      5 < YL-717: OD 5

 

How to choose laser protective eyewear.

  1. Even the same name of laser may belong to different wavelength.  Choose the filter after checking the wavelength.

  2. Regarding the laser beam not specified in the catalog, the protective eyewear can be used if the wavelength is applicable.  Please see the spectral characteristic graph.  (If you need detailed data, please contact us.)

  3. The marking of in the diagram stands for being available.  The lack of stands for being not available.  CE stands for CE certification for the EU area.

  4. You can see the laser beam through the filter type for alignment work, however, it should be used only for low power laser and in a short period of time.  (Information about exposure duration is written on the user manual.)  Except for alignment work, please use the laser absorption type.