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Does the faint red light emitted by the optical module hurt the eyes

Specialty cable knowledge brief Published 28 Aug 2024

Prepared for preliminary research by the ZITHA SPECIALTY knowledge desk. Confirm fire performance, mechanical protection, loss budgets and installation requirements against current standards and product documentation.

Low-intensity, diffuse red light is generally safe, but high-intensity, concentrated beams can cause serious, immediate damage. The risk is determined by the amount of light energy delivered to the retina and how quickly the eye can dissipate it. Red light is part of the visible light spectrum, occupying the longest wavelengths, typically ranging from 620 to 750 nanometers (nm). While red and near-infrared (NIR) wavelengths are non-ionizing, the brightness and power output can still cause temporary strain, light. Red light is not generally harmful to your eyes. On the contrary, when used appropriately, it can be a key part of your eye and skin health routine.

Does the faint red light emitted by the optical module hurt the eyes

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Technical note

This reference is intended for preliminary specialty-cable research. Compatibility, link budgets, fire performance, installation methods, test limits and applicable standards must be verified for the specific project.

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