Search Results - "Sambles, J. Roy"

Photonic structures in biology by Vukusic, Pete, Sambles, J. Roy

“…Millions of years before we began to manipulate the flow of light using synthetic structures, biological systems were using nanometre-scale architectures to…”
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Experimental Verification of Designer Surface Plasmons by Hibbins, Alastair P, Evans, Benjamin R, Sambles, J. Roy

“…We studied the microwave reflectivity of a structured, near perfectly conducting substrate that was designed to verify the existence of a theoretically…”
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Microwave surface-plasmon-like modes on thin metamaterials by Lockyear, Matthew J, Hibbins, Alastair P, Sambles, J Roy

“…It has recently been shown that the structured surface of a perfect conductor can support surface-plasmon-like modes [Pendry, Science 305, 847…”
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Slow waves on long helices by Barr, Lauren E., Ward, Gareth P., Hibbins, Alastair P., Hendry, Euan, Sambles, J. Roy

“…Slowing light in a non-dispersive and controllable fashion opens the door to many new phenomena in photonics. As such, many schemes have been put forward to…”
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Multi-resonant tessellated anchor-based metasurfaces by Gallagher, Cameron P., Hamilton, Joshua K., Hooper, Ian R., Sambles, J. Roy, Hibbins, Alastair P., Lawrence, Christopher R., Bows, John

“…In this work, a multi-resonant metasurface that can be tailored to absorb microwaves at one or more frequencies is explored. Surface shapes based on an…”
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Confined acoustic line modes within a glide-symmetric waveguide by Moore, Daniel B., Ward, Gareth P., Smith, John D., Hibbins, Alastair P., Sambles, J. Roy, Starkey, Timothy A.

“…Confined coupled acoustic line-modes supported by two parallel lines of periodic holes on opposite surfaces of a glide-symmetric waveguide have a hybrid…”
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Isotropic Backward Waves Supported by a Spiral Array Metasurface by Tremain, Ben, Hooper, Ian R., Sambles, J. Roy, Hibbins, Alastair P.

“…A planar metallic metasurface formed of spiral elements is shown to support an isotropic backward wave over a narrow band of microwave frequencies. The…”
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On the extraordinary optical transmission in parallel plate waveguides for non-TEM modes by Camacho, Miguel, Boix, Rafael R, Medina, Francisco, Hibbins, Alastair P, Roy Sambles, J

“…Extraordinary transmission has been recently measured in a parallel plate waveguide (PPWG) through a metal strip with a patterned 1-D periodic array of…”
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Demonstration and Control of “Spoof-Plasmon” Scattering from 3D Spherical Metaparticles by Powell, Alexander W., Whittaker, Thomas E., Whittow, William G., Sambles, J. Roy, Hibbins, Alastair P.

“…Geometries that replicate the behavior of metal nanostructures at much lower frequencies via texturing surfaces so they will support a surface wave have been a…”
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Experimental characterisation of the bound acoustic surface modes supported by honeycomb and hexagonal hole arrays by Starkey, Timothy A., Kyrimi, Vicky, Ward, Gareth P., Sambles, J. Roy, Hibbins, Alastair P.

“…The Dirac point and associated linear dispersion exhibited in the band structure of bound (non-radiative) acoustic surface modes supported on a honeycomb array…”
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Strong beaming of microwave surface waves with complementary split-ring-resonator arrays by Young, Emily, Dockrey, Joseph A., Hibbins, Alastair P., Sambles, J. Roy, Lawrence, Christopher R.

“…A thin copper sheet, populated by an array of complementary split ring resonators, presents strong surface wave beaming in orthogonal directions at two…”
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The acoustic phase resonances and surface waves supported by a compound rigid grating by Beadle, Joseph G., Starkey, Timothy, Dockrey, Joseph A., Sambles, J. Roy, Hibbins, Alastair P.

“…We study the radiative and bound acoustic modes supported by a rigid grating formed of three same-depth, narrow grooves per unit cell. One of the grooves is…”
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Superscattering and Directive Antennas via Mode Superposition in Subwavelength Core-Shell Meta-Atoms by Powell, Alexander W., Mrnka, Michal, Hibbins, Alastair P., Sambles, J. Roy

“…Designing a subwavelength structure with multiple degenerate resonances at the same frequency can vastly enhance its interaction with electromagnetic…”
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Author Correction: The acoustic phase resonances and surface waves supported by a compound rigid grating by Beadle, Joseph G., Starkey, Timothy, Dockrey, Joseph A., Sambles, J. Roy, Hibbins, Alastair P.

“…A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has not been fixed in the paper…”
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Covert Images Using Surface Plasmon‐Mediated Optical Polarization Conversion by Finlayson, Ewan D., Hooper, Ian R., Lawrence, Christopher R., Heath, Mark, Anderson, David, Sambles, J. Roy, Vukusic, Peter

“…Covert optical signatures are a vital element in anticounterfeiting technologies. Plasmonic surfaces offer a means of manipulating the properties of light…”
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Surface plasmons on zig-zag gratings by Constant, Thomas J, Taphouse, Tim S, Rance, Helen J, Kitson, Stephen C, Hibbins, Alastair P, Sambles, J Roy

“…Optical excitation of surface plasmons polaritons (SPPs) on a 'zig-zag diffraction grating' is explored. The fabricated silver grating consists of…”
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Multiband superbackscattering via mode superposition in a single dielectric particle by Powell, Alexander W., Hibbins, Alastair P., Sambles, J. Roy

“…The superposition of resonances in a subwavelength particle can be used to achieve powerful scattering beyond the single channel limit and can also determine…”
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Mimicking glide symmetry dispersion with coupled slot metasurfaces by Camacho, Miguel, Mitchell-Thomas, Rhiannon C., Hibbins, Alastair P., Sambles, J. Roy, Quevedo-Teruel, Oscar

“…In this letter, we demonstrate that the dispersion properties associated with glide symmetry can be achieved in systems that only possess reflection symmetry…”
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A broadband metasurface Luneburg lens for microwave surface waves by de Pineda, Julia D., Mitchell-Thomas, Rhiannon C., Hibbins, Alastair P., Sambles, J. Roy

“…A broadband planar microwave Luneburg lens made of a three-layer metasurface with hexagonal symmetry is presented. This metasurface supports a…”
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Microwave backscatter enhancement using radial anisotropy in biomimetic core-shell spheres by Finlayson, Ewan D., Gallagher, Cameron P., Whittaker, Thomas, Goulas, Athanasios, Engstrøm, Daniel S., Whittow, William, Sambles, J. Roy, Hibbins, Alastair P., Powell, Alexander W.

“…Enhanced backscattering of microwave radiation is demonstrated experimentally in a biomimetic radially anisotropic spherical metamaterial component. The…”
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