A variety of laser protective goggles areonly in order to protect your eyes In the booming of science and technologyleads a lot of material for the production manufacturing lambe, laser alsoinclude in it. Although there are a wide range of applications, but its harm orchilling. Therefore, the laser protective goggles is the necessity ofexistence. The laser radiation protection lens basically has the followingtypes:
1, absorption type protective glasses: theprotective glasses by mixing inorganic or organic dye glass or plastic, usedfor protective wavelength selective absorption of the material to make thelaser attenuation, so as to achieve purpose.
2, reflective safety glasses: the lensspear membrane technology, designed by the thin film on the glass substrate isalternating high refractive index and low refractive index of dielectric filmplating system. This protective glasses viewing Angle is small, usually in 30. Orless.
3, compound laser protective glasses:composite protective glasses is to focus on the absorption and reflection oftwo technologies into one protective glasses, reflection and absorption twotypes for the comprehensive performance of protective goggles, for two or morespecific wavelength laser protective role.
4, holographic laser protective goggles:this is a holographic optical element developed on the basis of a new type oflaser protective equipment. Using the method of holographic in glass or plasticsubstrate to produce three dimensional phase grating.
5, microexplosion goggles: on the surfaceof the lens with a specific layer of high transparency chemical film, when theincident laser energy is more than a certain value, the chemical explosionturned black, opaque lens completely, so as to protect his eyes from laserdamage. The continuous laser protective goggles is suitable for high power.
6, photochemical reaction type laserprotective goggles: this type of protective goggles is between two lensesperfusion specific chemical solution, when the laser intensity beyond a certainvalue, the color is darker, solution to stop the laser beam through aparticular wavelength.
7, photoelectric type protective goggles:the goggles by two pieces of polarization direction perpendicular polarizationlenses and meantime clamping a pieces of transparent ceramics with electrodes.When added to the voltage change on the ceramic electrodes at both ends, theoptical performance change.
8, discoloration glass-ceramic protectivegoggles: the protective lens is made from special microcrystalline glass orplastic. The material is completely transparent, at ordinary times when theincident laser intensity is more than what is immediately after change color,and the laser absorption, light stopped still can restore transparency.
9, the lens type laser protective goggles:the protective goggles by a convex lens, a concave mirror, and the one betweenthe two lens of plane interference filter. It is adopted by the general planenarrowband filter, lower cost, the price is cheap. This kind of new opticalsystem and protective structure is very high to the transmission of light orsunlight, so than practical.
10, high intensity laser protectivegoggles: it is composed of flat mirror optical switch and the reflector, etc,can block the high intensity of laser radiation. Optical switch is depositionpolymer components, it has absorption performance, protection from visiblelight to infrared laser radiation, rather than a fixed narrowband spectrum. Itsprotective performance related to the intensity of the beam, and has nothing todo with wavelength.
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