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What is polarisation?

April 26, 2017polarisation

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What is polarisation?

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Specifically it is light that is skewed towards the vertical plane of polarisation. Unpolarised light has around 50% of photons in the horizontal plane and 50% in the vertical plane. Those in the vertical plane are more absorbable by surfaces than those in the horizontal. Increasing the vertical polarisation proportion, and thus greater absorption and less reflected glare, produces better viewing conditions.