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Radiation-Absorbing Materials and Surfaces

总结: Researchers at Purdue University have developed a technology that allows dramatic reduction of radiation reflectivity due to the enhanced scattering of light into metamaterials with hyperbolic dispersion. This enhancement is caused by the broadband singularity of the density of states in such hyperbolic metamaterials. This novel technology does not rely on resonance (broadband), is potentially inexpensive to manufacture in any quantities, and does not require magnetic response.

技术优势: Reduces radiation reflectivity Does not rely on resonance nor requires magnetic response

*Background: Existing methods to reduce reflected radiation are often substantially degraded by damage to the surface due to such things as exposure to the environment. This results in surface defects, including moisture adherence, which may lead to backscattered or reflected radiation. When used in stealth technology to disguise a vehicle or structure from radar, such defects may lead to its detection.

*Web Links: Purdue Office of Technology CommercializationPurdueInnovation and EntrepreneurshipEvgenii NarimanovPurdue Electrical and Computer Engineering

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