How to identify the goggles, radiationprotective glasses, for the defense strong ultraviolet radiation damage to theeyes. The lens is made of special glass that can reflect or absorb radiation,but can be visible through a certain amount of visible light. The lens isbright plating chromium, nickel, silver or mercury metal film can reflectradiation; blue lenses absorb infrared, ultraviolet and infrared absorption andyellow lenses, colorless lens X ray and X-ray absorption of lead.
For example, common welding glasses, therate of demand is relatively low on the lens light, so the lens color to ink;laser protective glasses, as the name suggests, is to prevent the radiation oflaser glasses, so the requirement is very high to the lens, such as the choiceof light source, light attenuation rate, reaction time, light density and lighteffect so, different nano (nm) laser will need to use a different band lens.
1 because the radiation surface of thelens is coated with a layer of blue radiation film, picked up the glassesshaking lens surface have some blue color light shone out, with ordinaryglasses is different than ordinary glasses will not emit any light shine.
2 wear a computer on the spot to see howthose different feelings. For example: do not wear any radiation glasses to seethe computer, you feel the monitor is particularly dazzling, slightly beating.If you wear a pair of anti radiation glasses, the visual sense is clear andnatural.
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