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Since a night vision device is sensitive to Infrared (IR) light, can it detect heat?

April 26, 2017detect device heat infrared IR light night vision sensitive

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Since a night vision device is sensitive to Infrared (IR) light, can it detect heat?

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A. Night vision devices operate as a light amplifier for light in the “near visible” light range. Generally, this is in the 750-850 nanometer range. It can not detect heat, which is at a much lower end of the light spectrum and requires thermal imaging technology.