Results 241 to 250 of about 19,023 (293)
The Troubles and Beyond: The impact of a museum exhibit on a post‐conflict society
American Journal of Political Science, EarlyView.Abstract In divided societies, can museums contribute to healing and recovery? While efforts to memorialize past violence typically aim to promote tolerance and reconciliation, remembering could exacerbate divisions in recovering societies where the past is deeply contested. We examine a transitional justice museum exhibit in Northern Ireland.
Laia Balcells, Elsa Voytas
wiley +1 more source
A drag on the ticket? Estimating top‐of‐the‐ticket effects on down‐ballot races
American Journal of Political Science, EarlyView.Abstract Campaign staff, journalists, and political scientists commonly attribute the poor performances of a party's down‐ballot candidates to low‐quality or extreme top‐of‐the‐ticket candidates, but empirical evidence on this conventional wisdom is scant. We estimate the effect of candidate quality and ideology in gubernatorial and U.S.
Kevin DeLuca +2 more
wiley +1 more source
Educational Theory, EarlyView.Abstract In recent years, diversity, equity, and inclusion (DEI) initiatives in higher education have become the focal point of intense political and academic contestation. While these developments are frequently described as a “backlash,” the concept of backlash itself has rarely been theorized in education.
Michalinos Zembylas
wiley +1 more source
Polarization-insensitive multi-band metamaterial absorber operating in the 5G spectrum
Optik, 2020 The full text of this article will not be available in ULIR until the embargo expires on the 20/05/2022A polarization-insensitive multi-band metamaterial absorber comprised of four concentric rectangular rib structures, mounted over a dielectric medium ...
M A Baqir +2 more
exaly +1 more source
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Polarization-Insensitive Cross-Polarization Converter
IEEE Transactions on Antennas and Propagation, 2021A transmission-type cross-polarization converter is designed based on a frequency selective surface (FSS) and is investigated theoretically and experimentally. The FSS structure is built up with rotationally asymmetric fourfold supercell. The subcell of each supercell is a monopole-via-monopole (MVM) module, which consists of a receiving monopole, a ...
Shen-Yun Wang +4 more
openaire +1 more source
Polarization-insensitive EDG demultiplexer combined with a polarization beam splitter
Optics Letters, 2023Polarization dependence is an inherent challenge for wavelength-division multiplexing transceivers on silicon photonic platforms, causing severe problems with polarization-dependent losses and hindering the implementation of monolithic integrated receivers. In this study, we developed a polarization-insensitive demultiplexer on a silicon nitride (Si3N4)
Chenguang Li +3 more
openaire +2 more sources
Polarization-insensitive optical amplifiers in AlInGaAs
IEEE Photonics Technology Letters, 2001We report the theoretical modeling and the fabrication of polarization-insensitive optical amplifiers at 1300 nm in AlInGaAs-InP material system. Gain calculations, using the k.p method, show that the introduction of 0.33% tensile strain into a three-quantum-well structure can achieve gain-matching over a wide energy spectrum.
Prakash Koonath +3 more
openaire +1 more source
Polarization insensitive terahertz metamaterial absorber
Optics Letters, 2011We present the simulation, implementation, and measurement of a polarization insensitive resonant metamaterial absorber in the terahertz region. The device consists of a metal/dielectric-spacer/metal structure allowing us to maximize absorption by varying the dielectric material and thickness and, hence, the effective electrical permittivity and ...
J, Grant +5 more
openaire +2 more sources
Wideband Coding Metamaterial with Polarization Insensitivity
2019 Computing, Communications and IoT Applications (ComComAp), 2019In this paper, a wideband coding metamaterial (CDM) is proposed for radar cross-section (RCS) Reduction. The proposed coding units have three advantages: (1) Simple design. Dual-polarized ‘0’ and ‘1’ coding elements (CEs) are realized by a pair of rectangle patch over 7-14.6 GHz (bandwidth 70%). The ‘0’ and ‘1’ CEs represent reflected phases 0° and 180°
Hui-fen Huang, Bo Luo
openaire +1 more source
SPIE Proceedings, 2005
Apart from gain dependence on polarization state, phase modulation in semiconductor optical amplifier (SOA) is usually polarization dependent as a result of birefringence. This paper analyzes the factors that determine the polarization dependence of phase modulation and proposes the necessity of fabricating SOA with polarization-insensitive gain and ...
Lirong Huang +3 more
openaire +1 more source
Apart from gain dependence on polarization state, phase modulation in semiconductor optical amplifier (SOA) is usually polarization dependent as a result of birefringence. This paper analyzes the factors that determine the polarization dependence of phase modulation and proposes the necessity of fabricating SOA with polarization-insensitive gain and ...
Lirong Huang +3 more
openaire +1 more source