The Effect Of Coating Properties On Contrast Radiance Of Camouflaged And Uncamouflaged Tactical Equipment In The 8-12 Micron Waveband

Robin-Lynn McClean; Nancy Fontana

doi:10.1117/12.945768

10 August 1988 The Effect Of Coating Properties On Contrast Radiance Of Camouflaged And Uncamouflaged Tactical Equipment In The 8-12 Micron Waveband

Robin-Lynn McClean, Nancy Fontana

Author Affiliations +

Proceedings Volume 0926, Optical, Infrared, Millimeter Wave Propagation Engineering; (1988) https://doi.org/10.1117/12.945768
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

Multispectral countersurveillance systems are designed to alter, disrupt, or disguise the signature of military equipment. Signatures in the spectral regions commonly referred to as ultraviolet, visual, near-infrared, and radar are generated by surface reflections of incident electromagnetic radiation. Camouflage is used in these wavebands to create reflectance patterns similar to those of the natural background with the goal of rendering equipment indistinguishable from natural structures. In contrast, thermal infrared signatures are primarily due to self-emissions rather than reflections of incident radiation. All objects emit electromagnetic radiation; the peak wavelength and intensity of that radiation differ relative to an object's temperature. At ambient temperatures and above, objects emit sufficient electromagnetic radiation in the 8-12 micron wavelength region to be detected by thermal infrared sensorsl. The intensity of thermal infrared energy radiated from equipment surfaces is affected by surface temperature and emissi-vity. Camouflage for infrared signatures is designed to control these conditions and create apparent temperature profiles similar to those of the natural background. The objective of this paper is to discuss the electro-optic properties of surface coatings and their effect in generating and controlling the infrared signatures of tactical equipment.

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Robin-Lynn McClean and Nancy Fontana "The Effect Of Coating Properties On Contrast Radiance Of Camouflaged And Uncamouflaged Tactical Equipment In The 8-12 Micron Waveband", Proc. SPIE 0926, Optical, Infrared, Millimeter Wave Propagation Engineering, (10 August 1988); https://doi.org/10.1117/12.945768

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KEYWORDS

Solar energy

Coating

Thermography

Infrared radiation

Infrared signatures

Black bodies

Extremely high frequency

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