Search Results - "Bowen, Patrick T."

Large-Area Metasurface Perfect Absorbers from Visible to Near-Infrared by Akselrod, Gleb M., Huang, Jiani, Hoang, Thang B., Bowen, Patrick T., Su, Logan, Smith, David R., Mikkelsen, Maiken H.

“…An absorptive metasurface based on film‐coupled colloidal silver nanocubes is demonstrated. The metasurfaces are fabricated using simple dip‐coating methods…”
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Coupled-mode theory for film-coupled plasmonic nanocubes by Bowen, Patrick T., Smith, David R.

“…Planar metallic nanoparticles separated by nanoscale distances from a metal film support unique plasmonic resonances useful for controlling a wide range of…”
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Discrete Dipole Approximation Applied to Highly Directive Slotted Waveguide Antennas by Pulido-Mancera, Laura M., Zvolensky, Tomas, Imani, Mohammadreza F., Bowen, Patrick T., Valayil, Minu, Smith, David R.

“…We present an analysis of a slotted waveguide antenna (SWA) whose directivity has been enhanced by using metamaterial parasitic elements. We apply an adapted…”
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Using a discrete dipole approximation to predict complete scattering of complicated metamaterials by Bowen, Patrick T, Driscoll, Tom, Kundtz, Nathan B, Smith, David R

“…We develop a numerical technique for simulating metamaterial electromagnetic response based on an adaptation of the discrete dipole approximation (DDA). Our…”
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Wake control with permeable multilayer structures: The spherical symmetry case by Bowen, Patrick T, Smith, David R, Urzhumov, Yaroslav A

“…We explore the possibility of controlling the wake and drag of a spherical object independently of each other, using radial distributions of permeability in…”
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Theory of patch-antenna metamaterial perfect absorbers by Bowen, Patrick T., Baron, Alexandre, Smith, David R.

“…A metasurface that absorbs waves from all directions of incidence can be achieved if the surface impedance is made to vary as a function of incidence angle in…”
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Metasurfaces: Large-Area Metasurface Perfect Absorbers from Visible to Near-Infrared (Adv. Mater. 48/2015) by Akselrod, Gleb M., Huang, Jiani, Hoang, Thang B., Bowen, Patrick T., Su, Logan, Smith, David R., Mikkelsen, Maiken H.

“…A gold‐coated surface is coated conformally with sub‐wavelength‐sized silver nanocubes (ca. 75 nm) by M. H. Mikkelsen and co‐workers, as described on page…”
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Metamaterials Analysis, Modeling, and Design in the Point Dipole Approximation by Bowen, Patrick T

“…This dissertation is focused on applying the discrete dipole approximation to modeling metamaterial structures and devices. In particular, it is focused on…”
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Analytic modeling of metmaterial absorbers by Bowen, Patrick T., Baron, Alexandre, Smith, David R.

“…We present a fully analytical model that describes ideal absorbing metasurfaces composed of film-coupled optical nanoantennas. The model predicts the spectrum…”
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Optimizing Polarizability Distributions for Metasurface Apertures with Lorentzian-Constrained Radiators by Bowen, Patrick T, Boyarsky, Michael, Pulido-Mancera, Laura M, Smith, David R, Yurduseven, Okan, Sazegar, Mohsen

“…We present a design strategy for selecting the effective polarizability distribution for a metasurface aperture needed to form a desired radiation pattern. A…”
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Analytical Modeling of a Two-Dimensional Waveguide-Fed Metasurface by Pulido-Mancera, Laura, Imani, Mohammadreza F, Bowen, Patrick T, Kundtz, Nathan, Smith, David R

“…We develop a fast, accurate, and robust technique to model the electromagnetic response of a two-dimensional (2D) waveguide-fed metasurface aperture. The…”
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Transformation optics simulation method for stimulated Brillouin scattering by Zecca, Roberto, Bowen, Patrick T, Smith, David R, Larouche, Stéphane

“…Phys. Rev. A 94, 063818 (2016) We develop a novel approach to enable the full-wave simulation of stimulated Brillouin scattering and related phenomena in a…”
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Polarizability Extraction for Waveguide-Fed Metasurfaces by Pulido-Mancera, Laura, Bowen, Patrick T, Kundtz, Nathan, Imani, Mohammadreza F, Smith, David

“…Phys. Rev. B 96, 235402 (2017) We consider the design and modeling of metasurfaces that couple energy from guided waves to propagating wavefronts. This is a…”
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