Which technology is primarily used for infrared detection?

The technology primarily used for infrared detection is Forward Looking Infra-Red (FLIR). FLIR systems operate by detecting infrared radiation (heat) emitted from objects, which makes them particularly effective in various conditions, including complete darkness or adverse weather. This capability allows for the identification of individuals or objects based on their heat signatures rather than visible light.

Thermal Imaging Cameras can also detect infrared radiation; however, FLIR refers specifically to a type of thermal imaging system that is designed to look ahead, which is essential in surveillance and reconnaissance operations. Night Vision Goggles function differently as they amplify visible light to allow visibility in low-light conditions, and High-Definition Cameras rely on visible light and do not specifically target infrared wavelengths. This makes FLIR the most specialized technology for infrared detection among the options provided.