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| 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. 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. Advantages: -Reduces radiation reflectivity -Does not rely on resonance nor requires magnetic response Potential Applications: -Stealth industry -Military -Optoelectronics |
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May 18, 2011
Utility Patent
United States
9,322,953
Apr 26, 2016
May 18, 2010
Provisional-Patent
United States
(None)
(None)
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Purdue Office of Technology Commercialization The Convergence Center 101 Foundry Drive, Suite 2500 West Lafayette, IN 47906 Phone: (765) 588-3475 Fax: (765) 463-3486 Email: otcip@prf.org |