Explanipedia

Nanoporous Carbons from Hydrothermally Treated Alga: Role in Batch and Continuous Capacitive Deionization (CDI) Open

Dipendu Saha, R.E. Schlosser, Lindsay Lapointe, Marisa L. Comroe, John Samohod , et al. · 2025

This study presents a sustainable approach for synthesizing high-performance activated carbon from Spirulina Alga through hydrothermal carbonization followed by chemical activation using potassium hydroxide. The resulting activated carbon …

Broadband plasmonic chiral meta-mirrors Open

Eric B. Whiting, Lei Kang, R. Jenkins, Sawyer D. Campbell, Douglas H. Werner · 2023

Chiral meta-mirrors provide a unique opportunity for achieving handedness-selective strong light-matter interaction at the nanometer scale. Importantly, the chiral resonances observed in chiral meta-mirrors arise from the spin-dependent re…

Reflectarray Feeds Augmented With Size-Reducing GRIN Lenses for Improved Power Handling and Aperture Efficiency Open

Eric B. Whiting, Galestan Mackertich‐Sengerdy, Ryan J. Chaky, Colin A. Mussman, Sawyer D. Campbell , et al. · 2023

The feed for reflectarrays and transmitarrays is crucial for determining the overall antenna aperture efficiency, gain, and power handling. In the past, several methods, such as altering the horn shape to achieve higher modes, have been em…

Design of Quasi-Endfire Spoof Surface Plasmon Polariton Leaky-Wave Textile Wearable Antennas Open

Yuhao Wu, Saber Soltani, Busra Sennik, Ying Zhou, Galestan Mackertich‐Sengerdy , et al. · 2022

A new design for a quasi-endfire spoof surface plasmon polariton (SSPP) leaky-wave antenna (LWA) is presented for wearable application. The antenna consists of an ultra-thin corrugated metallic structure screen-printed on a flexible textil…

Plasmonic Response in Three-Dimensional Meta-Films. Open

Michael Goldflam, Katherine M. Musick, Paul Resnick, Eric B. Whiting, Sawyer D. Campbell , et al. · 2021

Shape effects due to the ellipse eccentricity, as well as localized surface plasmon resonance (LSPR) effects due to the effective plasmonic wavelength are observed in the scattering response. The structures were modeled using rigorous coup…

Dielectric Resonator Antenna Geometry-Dependent Performance Tradeoffs Open

Eric B. Whiting, Sawyer D. Campbell, Galestan Mackertich‐Sengerdy, Douglas H. Werner · 2020

A flexible shape generation technique (Surface Contour Shape Generation) is combined with multiobjective evolutionary optimization algorithms in order to synthesize geometrically-diverse dielectric resonator antennas and explore the impact…

Phase-change Materials in Multifunctional Reconfigurable Metasurfaces Open

Yuhao Wu, Sawyer D. Campbell, Eric B. Whiting, Lei Kang, Pingjuan L. Werner , et al. · 2020

Metasurfaces, 2D periodic subwavelength electromagnetic resonant structures, enable diverse optical responses in ultrathin geometries. By integrating phase-change materials (PCMs) with optically or thermally tunable material properties int…

Synthesizing High-performance Reconfigurable Meta-devices through Multi-objective Optimization Open

Sawyer D. Campbell, Yuhao Wu, Eric B. Whiting, Lei Kang, Pingjuan L. Werner , et al. · 2020

Metasurfaces offer the potential to realize large SWaP (size, weight, and power) reduction over conventional optical elements for their ability to achieve comparable functionalities in ultrathin geometries. Moreover, metasurfaces designed …

Three-microphone probe bias errors for acoustic intensity and specific acoustic impedance Open

Joseph S. Lawrence, Eric B. Whiting, Kent L. Gee, Reese D. Rasband, Tracianne B. Neilsen , et al. · 2018

In acoustic intensity estimation, adding a microphone at the probe center removes errors associated with pressure averaging. Analytical bias errors are presented for a one-dimensional, three-microphone probe for active intensity, reactive …

Energy Quantity Estimation in Radiated Acoustic Fields Open

Eric B. Whiting · 2016

Energy quantities, which are calculated from pressure and particle velocity, yield a great deal of information about acoustic fields. Errors in pressure or particle velocity estimation lead to bias errors the estimation of energy quantitie…

Development of a Near-field Intensity Measurement Capability for Static Rocket Firings Open

Kent L. Gee, Eric B. Whiting, Tracianne B. Neilsen, Michael M. James, Alexandria R. Salton · 2016

Near-field characterization of the acoustical environment near rockets has often involved extrapolating far-field measurements. However, because far-field amplitude data reveals only limited information about source characteristics, a vect…

A vector intensity-based equivalent wavepacket model for high-performance military aircraft jet noise Open

Eric B. Whiting, Kent L. Gee, Trevor A. Stout, Tracianne B. Neilsen, Alan T. Wall , et al. · 2015

In this paper, a wavepacket ansatz is used to create an analytical model for the jet noise radiation from a high-performance military aircraft. Unlike other equivalent, acoustics-based wavepacket source models, this one is designed to matc…

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