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  2. Mirrored sunglasses - Wikipedia

    en.wikipedia.org/wiki/Mirrored_sunglasses

    A person wearing mirrored sunglasses. Mirrored sunglasses are sunglasses with a reflective optical coating (called a mirror coating or flash coating) on the outside of the lenses to make them appear like small mirrors. The lenses typically give the wearer's vision a brown or grey tint. The mirror coating decreases the amount of light passing ...

  3. Sunglasses - Wikipedia

    en.wikipedia.org/wiki/Sunglasses

    Sunglasses can improve visual comfort and visual clarity by protecting the eye from glare. [24] The lenses of polarized sunglasses reduce glare reflected at some angles off shiny non-metallic surfaces, such as water. They allow wearers to see into water when only surface glare would otherwise be seen, and eliminate glare from a road surface ...

  4. Optical coating - Wikipedia

    en.wikipedia.org/wiki/Optical_coating

    A woman wears sunglasses featuring a highly reflective optical coating Diagram of a dielectric mirror. Thin layers with a high refractive index n 1 are interleaved with thicker layers with a lower refractive index n 2. The path lengths l A and l B differ by exactly one wavelength, which leads to constructive interference.

  5. Brewster's angle - Wikipedia

    en.wikipedia.org/wiki/Brewster's_angle

    Polarized sunglasses use a sheet of polarizing material to block horizontally-polarized light and thus reduce glare in such situations. These are most effective with smooth surfaces where specular reflection (thus from light whose angle of incidence is the same as the angle of reflection defined by the angle observed from) is dominant, but even ...

  6. Waveplate - Wikipedia

    en.wikipedia.org/wiki/Waveplate

    Linearly polarized white light which passes through the plate becomes elliptically polarized, except for that green light wavelength, which will remain linear. If a linear polarizer oriented perpendicular to the original polarization is added, this green wavelength is fully extinguished but elements of the other colors remain.

  7. Waveguide - Wikipedia

    en.wikipedia.org/wiki/Waveguide

    Guides in the form of a hollow tube with a highly reflective inner surface have also been used as light pipes for illumination applications. The inner surfaces may be polished metal, or may be covered with a multilayer film that guides light by Bragg reflection (this is a special case of a photonic

  8. Mirrored sunglasses make a bold fashion statement

    www.aol.com/article/2015/04/16/mirrored...

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  9. Polarized sunglasses - Wikipedia

    en.wikipedia.org/?title=Polarized_sunglasses&...

    This page was last edited on 7 November 2023, at 09:39 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

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