Lamp-based radiant flux sources have served as a practical solution for irradiance and spectral calibration for decades. Whether utilizing the broadband characteristics as irradiance references or using the well characterized and predictable spectral peaks as wavelength standards, the precise output parameters of lamp-based light sources has proven to be an accurate and reliable tool for diverse applications including camera and image sensor calibration, ambient light sensor calibration, characterizing photodiode responsivity, illuminant stimulation and diagnostic medical imaging to name a few.
