Our SWIR Camera can be used in inspecting semiconductors including silicon bulk ingots, and sliced wafers. SWIR resembles visible light-weight in that photons are reflected or absorbed by an object, making the solid contrast necessary for top-resolution imaging. Starlight and background radiation (nightglow) are normal resources of SWIR and supply https://www.mindvision.ltd/Special-Camera/Short-wave-Infrared-Camera.html