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The principle of operation of AR glass

When light is emitted from the light-dissipating substance to the light-tight substance, the reflected light will have a half-wave loss. The difference between the reflected light of the surface after the AR film is coated on the glass and the reflected light of the front surface of the film is exactly half a wavelength, before and after the film. The reflected light of the two surfaces is cancelled, which is equivalent to increasing the energy of the transmitted light. And it is possible to simultaneously reduce the reflection effect by simultaneously coating both sides of the glass by coating both sides of the glass. Because AR glass uses magnetron sputtering coating technology, the sputtered materials are transparent optical film systems formed by nano-scale atomic motion. It has no effect on the performance of the glass itself, and it also has a hardening effect, which is a protection for the glass itself and has a strong adhesion. Can be considered as a whole with the glass.
Since the visual range of visible light in humans is generally around 555 nm wavelength. An ordinary window glass has a transmittance of only 91.5% at this wavelength, and an AR-treated window glass has a transmittance of 99% at this wavelength, which is why we are looking at the eye glass window. The display will feel more vivid and the color will be more realistic.
AR film
The AR film is also called an anti-reflection film. It means a good understanding. The name is known to increase the light transmittance. The AR film is a surface optical coating that increases the light transmittance by reducing the reflection of light. It can increase contrast by reducing scattered light in the system, such as telescopes, which is important for astronomy. Many coatings include transparent film structures with different refractive indices. The thickness of the film determines the wavelength of the reflected light that it acts. When the light produces a secondary reflection on the antireflection film, it interferes with the original reflected light, thereby attenuating the reflected light. According to the conservation of energy, the energy of light does not change. Therefore, when the reflected light is reduced, the transmitted light is increased. This is the principle of AR coating. In general, wavelengths such as infrared, visible light, and ultraviolet light are required to select an AR coating.
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