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Therapeutic Applications, Laser Safety Eyewear

COMMON TERMS USED IN CHART BELOW

* Optical density, or O.D. as is it is commonly known, refers to the attenuation factor of the filter to the base 10. Therefore, a filter with an OD of 2 attenuates the laser by a factor of 10 to the 2nd or 100, an OD of 3 attenuates the laser beam by a factor of 1,000, an OD of 4 by a factor of 10,000.
* Visible Light Transmission, or VLT as it is commonly known, refers to the attenuation of light by a filter in the visible spectrum. It is commonly expressed as the percentage of the visible daylight spectrum light allowed to pass thru.
* Central Europe Certified, or CE refers to products sold in the European Union that must be CE marked where a relevant European Directive exists.


Laser Safety Eyewear
Filter Name CE Wavelength OD VLT Filter Color Filter Material
DI4 Diode
Item # LSEP-DI4		 Yes 190-400nm
625-850nm
662-835nm
633nm		 5+
4+
5+
5+		 12% PolyCarb
DI6
Item # LSEP-DI6		 Yes 190-400nm
670-695nm
815-1050nm		 5+
3+
3+		 35% PolyCarb
DI7
Item # LSEP-DI7		 No 190-400nm
680nm
828-905nm		 5+
2+
2.5+		 57% PolyCarb
DI9
Item # LSEP-DI9		 No 190-400nm
820-915nm
840-900nm		 5+
2+
3+		 63% PolyCarb
ML2
Item # LSEP-ML2		 No 190-400nm
630-710nm
790-820nm
800-810nm		 5+
3+
3+
3.5+		 17% PolyCarb
ML3
Item # LSEP-ML3		 Yes 190-400nm
630-660nm
800-915nm
660-670nm
780-920nm		 5+
3+
3+
2+
2+		 19% PolyCarb