What component do modern thermal cameras use to register and map heat energy?
Answer
Microbolometer array
A modern thermal camera operates by utilizing a specialized lens to focus incoming infrared radiation onto a microbolometer array. This array consists of thousands of individual, tiny detectors that register the specific heat energy hitting each point. The system then processes these disparate signals from the array into a coherent, real-time picture, allowing for the accurate mapping of invisible heat signatures.
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