Search Results - "SAMBLES, J. R"

Boundary-Layer Effects on Acoustic Transmission Through Narrow Slit Cavities by Ward, G P, Lovelock, R K, Murray, A R J, Hibbins, A P, Sambles, J R, Smith, J D

“…We explore the slit-width dependence of the resonant transmission of sound in air through both a slit array formed of aluminum slats and a single open-ended…”
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Microwave demonstration of Purcell effect enhanced radiation efficiency by Stanfield, L. D., Powell, A. W., Horsley, S. A. R., Sambles, J. R., Hibbins, A. P.

“…We experimentally demonstrate a Purcell effect-based design technique for improved impedance matching, and thus enhanced the reflection coefficient from a…”
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Tailoring the refractive index of impedance-matched ferrite composites by Parke, L., Youngs, I. J., Gallagher, C. P., Hibbins, A. P., Sambles, J. R.

“…Independent control of the magnetic and electric properties of two-part and three-part ferrite composites is demonstrated through variation of particle size…”
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Surface wave reflection from a metasurface termination by Berry, S. J., Hibbins, A. P., Sambles, J. R.

“…The reflection coefficient of a microwave surface wave incident at the termination of a metasurface is explored. Two different surface types are examined. One…”
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Slow acoustic surface modes through the use of hidden geometry by Shelley, S. R., Beadle, J. G., Hibbins, A. P., Sambles, J. R.

“…The acoustic surface modes supported by a partly covered periodic meander groove structure formed in an assumed perfectly rigid plate are investigated. This…”
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Resonant transmission of microwaves through a narrow metallic slit by Yang, Fuzi, Sambles, J R

“…Strong resonant transmission of microwave radiation through a very narrow (much less than the radiation wavelength) metallic slit is recorded. The results show…”
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A comparison of techniques used to simulate the scattering of electromagnetic radiation by metallic nanostructures by Parsons, J., Burrows, C.P., Sambles, J.R., Barnes, W.L.

“…A comparison is presented of a number of simulation techniques that are used to compute the scattering of electromagnetic radiation by metallic nanostructures…”
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Structurally assisted blackness in butterfly scales by Vukusic, P., Sambles, J. R., Lawrence, C. R.

“…and find that the nano–structure of the wing scales of these regions contributes significantly to their black appearance…”
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Quantified interference and diffraction in single Morpho butterfly scales by Vukusic, P, Sambles, J.R, Lawrence, C.R, Wootton, R.J

“…microstructures reflect up to 75% of the incident blue light over an angle range of greater than 100° in one plane and 15° in the other. We show that…”
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The Effect of Rotational Disorder on the Microwave Transmission of Checkerboard Metal Square Arrays by Tremain, B., Durrant, C. J., Carter, I. E., Hibbins, A. P., Sambles, J. R.

“…The effect of rotational disorder on the microwave transmission through thin metallic checkerboard arrays has been experimentally studied. Broad resonant…”
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Finite conductance governs the resonance transmission of thin metal slits at microwave frequencies by Suckling, J R, Hibbins, A P, Lockyear, M J, Preist, T W, Sambles, J R, Lawrence, C R

“…Fabry-Perot-like resonant transmission of microwave radiation through a single subwavelength slit in a thick aluminum plate is quantified for a range of slit…”
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Dual-channel differential surface plasmon ellipsometry for bio-chemical sensing by Hooper, I.R., Rooth, M., Sambles, J.R.

“…This work demonstrates a dual-channel surface plasmon sensing device based upon the differential surface plasmon ellipsometry method. Experiments showing the…”
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Resonantly inverted microwave transmissivity threshold of metal grids by Edmunds, J D, Hibbins, A P, Sambles, J R, Youngs, I J

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Remarkable iridescence in the hindwings of the damselfly Neurobasis chinensis chinensis (Linnaeus) (Zygoptera: Calopterygidae) by Vukusic, P., Wootton, R. J., Sambles, J. R.

“…) within two thick layers near the ventral surface of the wing, which leads to superior dorsal colour characteristics. By simultaneously fitting five sets of…”
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Structured photons take it slow by Sambles, J R

“…Specially prepared single photons travel below the “speed of light,” even in vacuum [Also see Report by Giovannini et al. ] Light may behave both as a particle…”
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Full Photonic Band Gap for Surface Modes in the Visible by Kitson, SC, Barnes, WL, Sambles, JR

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Thin metamaterial Luneburg lens for surface waves by Dockrey, J. A., Lockyear, M. J., Berry, S. J., Horsley, S. A. R., Sambles, J. R., Hibbins, A. P.

“…By suitably patterning a metasurface, the phase velocity of surface waves may be manipulated. Here, a low-loss, thin (1/14th of the free-space wavelength),…”
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Biophotonics: Blue butterflies feel the heat by Sambles, J R

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Broadband, slow sound on a glide-symmetric meander-channel surface by Beadle, J. G., Hooper, I. R., Sambles, J. R., Hibbins, A. P.

“…The acoustic surface waves supported by hard surfaces patterned with repeat-period, meandering grooves are explored. The single, continuous groove forms a…”
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Thin structured rigid body for acoustic absorption by Starkey, T. A., Smith, J. D., Hibbins, A. P., Sambles, J. R., Rance, H. J.

“…We present a thin acoustic metamaterial absorber, comprised of only rigid metal and air, that gives rise to near unity absorption of airborne sound on…”
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