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Q: In my office, I sit nether a large fanlight courtyard window. You’ve said that unseeable rays come home windows. A: You should ask the structure manager whether the window is successful of glass or plastic (usually acrylic or polycarbonate) and whether it has been treated to cut ultraviolet radiation (UV) transmission. Some plastics used in skylights of course lodging a material quantity of UV, and many are doped in addition.

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Optical Quartz Glass | Synthetic UV-grade Fused Silica

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Quartz glass qualities that can be victimized for receptor check of high-purity, synthetically produced, molten natural glass material. This type of quartz glass is also known as fused silica. It contains practically only semiconductor and o (silicon dioxide) and is characterized by a very high purity.

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Glass and solar radiation | Saint Gobain Glass United Kingdom

Solar radiation Components of solar radiation The star radiation that reaches the earth consists of 3% ultra-violet rays (UV), 55% infra-red energy (IR) and 42% viewable light. These ternary components of solar radiation sickness each agree to a ambit of wavelengths. Ultra-violet extends from 0.28 to 0.38 µm (nanometres)*, visual light from 0.38 to 0.78 µm and infra-red from 0.78 to 2.5 µm.
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