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Engineered Diffusers – Intensity vs. Irradiance

Engineered Diffusers – Intensity vs. Irradiance

Engineered Diffusers – Intensity vs. Irradiance

VIAVI Solutions
Pages 5 Pages

Engineered Diffusers are defined by their divergence angle and intensity profile, with divergence typically measured as the full width at half maximum of the normalized intensity distribution. The intensity profile describes how light spreads as a function of angle. Radiant intensity represents the power emitted per unit solid angle in a specific direction and is most accurate when measured far from the diffuser. Understanding intensity and irradiance helps characterize how these optical components shape and distribute light for precise illumination needs.

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