SBAA615 December 2023 OPT4003-Q1
The sun emits a wide range of wavelengths across the electromagnetic spectrum, but the focus of this report can be on the visible and near infrared components of sunlight. Figure 5-7 shows a spectrum that was measured outside during lightly cloudy conditions.
Many of the wavelengths emitted by the sun are in the visible light spectrum, but there is a large near infrared component that can be seen in sunlight spectral plots.