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Tag Articles : spectral irradiance distribution

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  Weathering Basics V – Solar Radiation

  June 30, 2025 | Andreas Riedl

  Education

  Heat, water, and solar radiation are the primary weather factors. To simulate solar radiation in weathering instruments through properly filtered light sources, two parameters are key

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  Behind the Window – Spectral Requirements for Xenon Instruments

  December 14, 2022 | Dr. Florian Feil

  Standards

  Xenon arc weathering instruments require optical filter systems to adjust the radiation for either outdoor sunlight with daylight filters or indoor environments with window glass filters.

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  A New Standard Sun CIE 241 & CIE H1

  April 25, 2022 | Dr. Florian Feil

  Standards

  The spectrum and intensity of the sun (or the spectral irradiance of solar radiation) is influenced by the atmosphere and depends on location and time.

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  How Sun Came Into Standards

  April 4, 2022 | Andreas Riedl

  Standards

  Heat, water, and solar radiation are the primary weather factors. To simulate solar radiation in weathering instruments through properly filtered light sources, two parameters are key

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