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User:The Lamb of God/sandbox-Black Body

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Approximate black bodies

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Although a Black Body is a theoretical object, (emmisivity (e) = 1.0), common applications define a source of Infrared radiation as a Black Body when the object approaches an emmisivity of 1.0, (typically e = .99 or better); a source of Infrared radiation less than .99 is refered to as a greybody.[1] Applications for Black Bodies typically include the testing and calibration of Infrared systems and Infrared sensor equipment.

File:ES cavity black body.jpg
A typical cavity black body used as a source of infrared radiation for the testing and calibration of infrared systems and equipment
  1. ^ Electro Optical Industries, Inc. (2008) What is a Black Body and Infrared Radiation? In BB Radiation. http://www.electro-optical.com/html/bb_rad/bb_rad.asp