Measuring LED Power and Irradiance with Calibrated Photodiodes
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Measuring LED Power and Irradiance with Calibrated Photodiodes
LEDs are relatively narrowband sources with known peak wavelengths, their power or irradiance can be measured with good accuracy using calibrated photodiodes. Traditionally, broadband sources are measured using radiometers or photometers. These sensors have a relatively wide and uneven response over a certain spectral range such as UVA, UVB, UVC, etc.
