Broadband Exterior Cloaking

Abstract

It is shown how a recently proposed method of cloaking is effective over a broad range of frequencies. The method is based on three or more active devices. The devices, while not radiating significantly, create a ``quiet zone'' between the devices where the wave amplitude is small. Objects placed within this region are virtually invisible. The cloaking is demonstrated by simulations with a broadband incident pulse.

6 pages, 5 figures, submitted to Optics Express. For associated movies see http://www.math.utah.edu/~fguevara/brd/

References in corpus (11)

• Achieving transparency with plasmonic coatings
• Hiding Under the Carpet: a New Strategy for Cloaking
• Dielectric Optical Cloak
• A complementary media invisibility cloak that can cloak objects at a distance outside the cloaking shell
• Acoustic cloaking theory
• Achieving control of in-plane elastic waves
• Full-wave invisibility of active devices at all frequencies
• Anisotropic Metamaterials Emulated by Tapered Waveguides: Application to Optical Cloaking
• Active Exterior Cloaking
• Solutions in folded geometries, and associated cloaking due to anomalous resonance
• A rigorous analysis of high order electromagnetic invisibility cloaks

Cited by in corpus (25)

• Active Exterior Cloaking
• Enhancement of near-cloaking. Part II: the Helmholtz equation
• Exterior optical cloaking and illusions by using active sources: a boundary element perspective
• Tuning plasmonic cloaks with an external magnetic field
• Bounds on Herglotz functions and fundamental limits of broadband passive quasi-static cloaking
• Source amplitudes for active exterior cloaking
• Transformation elastodynamics and active exterior acoustic cloaking
• Active elastodynamic cloaking
• Molding the flow of light with a magnetic field: plasmonic cloaking and directional scattering
• Complete characterization and synthesis of the response function of elastodynamic networks
• Mathematical analysis of the two dimensional active exterior cloaking in the quasistatic regime
• Exterior cloaking with active sources in two dimensional acoustics
• Spectral theory of a Neumann-Poincaré-type operator and analysis of anomalous localized resonance II
• Fast active thermal cloaking through PDE-constrained optimization and reduced-order modeling
• Active Thermal Cloaking and Mimicking
• Sensitivity analysis for active control of the Helmholtz equation
• Analytic Materials
• Novel approaches to tailor and tune light-matter interactions at the nanoscale
• Active cloaking of finite defects for flexural waves in elastic plates
• Realizing broadband electromagnetic transparency with a graded-permittivity sphere
• Analytical study of spherical cloak/anti-cloak interactions
• Active cloaking of resonant coated inclusions for waves in membranes and Kirchhoff plates
• Time-domain investigation of a cylindrical acoustic external cloak
• Feasibility Analysis for the Problem of Active Near Field/Far Field Acoustic Pattern Synthesis in Free Space and Shallow Water Environments
• Active cloaking for clusters of pins in thin plates