Dueto the development of welding industry, prompting the laser protective gogglesis also play an important role. So we need to understand the kinds of laserprotective goggles.
Laserprotective goggles are mainly absorption, reflection, composite, explosive,photochemical reaction, types of microcrystalline glass type, etc.
Theexplosive is on the lens coated with explosives. When the incident laserintensity reaches a certain value, quickly set off to cover the laser effect,on the military to prevent laser weapon damage eyes. Each laser protectivegoggles have their own characteristics, normally only one wavelength of laser,a few can prevent two or more wavelengths of the laser, so must be based on theuse of laser, choose suitable laser goggles.
Reflexis plated on the lens on a group of high refractive index of dielectric film,when the light into dielectric film, all the reflection phase is the sameinterface, to reinforce the wavelengths of light reflection, can reflect laserreach the purpose of protection glasses, and for other visible light has highthrough the ability.
Absorptionis in a glass or plastic lenses to join all kinds of absorbent, absorption ofthe laser, so that it is not through. Compound is composed of two reflectingmedium film, separated by a layer of absorption of color glass, middleinhibition between two reflective film don't need internal reflection. Theglasses of laser protective performance is better, safety coefficient is big,applicable Yu Dazhong power laser protection. Glasses is mainly to preventlaser damage to the eyes. Because the laser energy concentration, effect isvery big to the harm of eyes, even at the risk of blindness, so the laseroperation personnel must wear protective glasses such as the laser protectivegoggles.
Correctwear good laser protective goggles, can effectively protect the eyes from thelaser stimulation, safe work.
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