Our SWIR Camera can be used in inspecting semiconductors which include silicon bulk ingots, and sliced wafers. SWIR resembles visible light in that photons are reflected or absorbed by an object, producing the solid distinction wanted for top-resolution imaging. Starlight and history radiation (nightglow) are normal sources of SWIR and https://www.mindvision.ltd/Special-Camera/Short-wave-Infrared-Camera.html