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Your one-stop resource for defining and understanding thermal infrared terminology and related key terms for all things in the world of thermography. Be sure to browse our ever-growing library of educational white papers and our other definitions page to further your knowledge of the IR spectrum.
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Background Temperature, Instrument
The apparent temperature of the radiant energy impinging on an object that is reflected off the object and enters the instrument. Originates from the scene behind and surrounding the instrument, as viewed from the target. The reflection of this background appears in the image and affects temperature measurements...
Read more Background Temperature, Target
Apparent ambient temperature of the scene behind and surrounding the target, as viewed from the instrument. When the FOV of a point sensing instrument is larger than the target, the target background temperature will affect the instrument reading. Also called surroundings temperature or foreground temperature.
Bolometer, Infrared [Micro-Bolometer]
A type of thermal detector commonly used in uncooled radiometers.
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