Our SWIR Camera can be employed in inspecting semiconductors for instance silicon bulk ingots, and sliced wafers. SWIR resembles seen gentle in that photons are reflected or absorbed by an object, producing the potent contrast wanted for high-resolution imaging. Starlight and qualifications radiation (nightglow) are purely natural sources of SWIR https://www.mindvision.ltd/Special-Camera/Short-wave-Infrared-Camera.html