Antireflection Coating

Antireflective Coating

The different refractive indices of air and glass cause reflections on eyeglass lenses which impair the wearer’s vision. Find out more about your solutions by ZEISS.

Interactive Demo: Antireflective Coating

How does it work?

Light is reflected at both interfaces of an AR coating. The two reflected wave trains of a certain wavelength can cancel each other out totally by interference if both the phase and amplitude requirements are met.

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Drawbacks of Reflections

The reflected images and haze are superimposed on the direct image. They reduce contrast and can even falsify the information content of the perceived image. They are particularly irritating when the wearer is driving at night or on a wet road.

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How they are produced?

The technique for the production of antireflective coatings on lenses which forms the basis of the standard procedures used today, was patented by Carl Zeiss in 1936.

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Quality Inspection

The quality of coatings on eyeglass lenses has now attained a very high standard.
Exact matching of the thickness of the AR coating layers and a precisely defined temperature profile during vacuum deposition guarantee the constant quality and reproducibility of ZEISS coatings.

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