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A high-refractive-index polymer (HRIP) is a polymer that has a refractive index greater than 1.50. [1]Such materials are required for anti-reflective coating and photonic devices such as light emitting diodes (LEDs) and image sensors.
A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye. Contact lenses are worn directly on the surface of the eye.
Some representative refractive indices; Name of material λ (nm) Refractive index no. n Reference Vacuum: 1 (by definition) Air at STP: 1.000273 [citation needed]Gases at 0 °C and 1 atm
At the time, the UK's gold reserves were worth about US$6.5 billion, accounting for about half of the UK's US$13 billion foreign currency net reserves. [ 135 ] The 2001 AOL merger with Time Warner (a deal valued at $350 billion; which was the largest merger in American business history) [ 136 ] was 'the biggest mistake in corporate history ...
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