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The fluid antenna concept represents shape-flexible and position-flexible antenna technologies designed to enhance wireless communication applications. In this paper, we apply this concept to reconfigurable intelligent surfaces (RISs),…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Abdelhamid Salem , Kai-Kit Wong , George Alexandropoulos , Chan-Byoung Chae , Ross Murch

We systematically investigate the influence of the fabrication process on dielectric loss in aluminum-on-silicon superconducting coplanar waveguide resonators with internal quality factors ($Q_i$) of about one million at the single-photon…

Atomically thin materials such as graphene are uniquely responsive to charge transfer from adjacent materials, making them ideal charge transport layers in phototransistor devices. Effective implementation of organic semiconductors as a…

Resonance diffraction in the periodic array of graphene micro-ribbons is theoretically studied following a recent experiment [L. Ju et al, Nature Nanotech. 6, 630 (2011)]. Systematic studies over a wide range of parameters are presented. It…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 A. Yu. Nikitin , F. Guinea , F. J. Garcia-Vidal , L. Martin-Moreno

New high-refractive-index dielectric materials may enhance many optical technologies by enabling efficient manipulation of light in waveguides, metasurfaces, and nanoscale resonators. Van der Waals materials are particularly promising due…

This paper deals with the thermal performances of roof-mounted radiant barriers. Using dynamic simulations of a mathematical model of a whole test cell including a radiant barrier installed between the roof top and the ceiling, the thermal…

Instrumentation and Detectors · Physics 2014-10-08 Frédéric Miranville , Harry Boyer , Franck Lucas , Seriacaroupin Johan

A novel direct approach to detect the resin flow front during the Liquid Resin Infusion process under industrial environment is proposed. To detect the resin front accurately and verify the results, which are deduced from indirect…

Instrumentation and Detectors · Physics 2012-04-24 Peng Wang , Jérôme Molimard , Sylvain Drapier , Alain Vautrin , Jean-Christophe Minni

The construction and use of a dual radiator Ring Imaging Cerenkov(RICH) detector is described. This instrument was developed for the HERMES experiment at DESY which emphasizes measurements of semi-inclusive deep-inelastic scattering. It…

Instrumentation and Detectors · Physics 2009-09-25 N. Akopov

The development of a new RFQ Cooler, named SHIRaC, was carried out to handle and cool typical SPIRAL 2 beams of large emittances (up to 80 {\pi}.mm.mrad) and high currents (up to 1 {\micro}A). SHIRaC is a part of SPIRAL 2 facility at GANIL…

Accelerator Physics · Physics 2015-07-23 Ramzi Boussaid

A package for pattern recognition and PID by COMPASS RICH-1 has been developed and used for the analysis of COMPASS data collected in the years 2002 to 2004, and 2006-2007 with the upgraded RICH-1 photon detectors. It has allowed the full…

Single gap Resistive Plate Chamber (RPC) is one of the very popular gaseous detectors used in high-energy physics experiments nowadays. It is a very fast detector having low cost of fabrication. The RPCs are usually built using glass or…

Instrumentation and Detectors · Physics 2024-01-25 A. Sen , S. Chatterjee , S. Das , S. K. Ghosh , S. Biswas

The use of automotive radars is gaining popularity as a means to enhance a vehicle's sensing capabilities. However, these radars can suffer from interference caused by transmissions from other radars mounted on nearby vehicles. To address…

Signal Processing · Electrical Eng. & Systems 2024-04-26 Shree Prasad Maruthi , Karrthik G. K. , Vijaya Krishna A. , Mahbub Hassan , Jinhong Yuan

Integrated superconducting spectrometers are developing to the point that they are enabling integral field units, providing large area spectral mapping capabilities for astronomy in the sub-millimeter band. However, these integral field…

Strong control over experimental conditions in microfluidic channels provides a unique opportunity to study and optimize membraneless microbial fuel cells (MFCs), particularly with respect to the role of flow. However, improved performance…

The dual-radiator Imaging Cherenkov detector (dRICH) is a key component of the forward particle identification system for the ePIC experiment at the Electron-Ion Collider (EIC). This study evaluates the dRICH performance using Geant4…

The reflectance of graphene is investigated in the framework of the Dirac model with account of its realistic properties, such as nonzero chemical potential and band gap, at any temperature. For this purpose, the exact reflection…

Mesoscale and Nanoscale Physics · Physics 2018-08-29 G. L. Klimchitskaya , V. M. Mostepanenko , V. M. Petrov

The phase-out of Hydrofluorocarbons (HFCs), due to their high Global Warming Potential (GWP), affecting the main gas used in Resistive Plate Chambers (RPCs), tetrafluorethane C2H2F4, has created operational difficulties on existing systems…

Instrumentation and Detectors · Physics 2025-02-21 A. Blanco , Mário Carvalho , Susete Fetal , Luis Lopes , Telmo Paes , Joana Pinto , Paulo Fonte

Bilayer graphene is an attractive material that realizes high-quality two-dimensional electron gas with a controllable bandgap. By utilizing the bandgap, electrical gate tuning of the carrier is possible and formation of nanostructures such…

Mesoscale and Nanoscale Physics · Physics 2023-07-20 Tomoya Johmen , Motoya Shinozaki , Yoshihiro Fujiwara , Takumi Aizawa , Tomohiro Otsuka

Recently, gradient index cavities, or so-called transformation cavities, designed by conformal transformation optics have been studied to support resonant modes with both high Q-factors and emission directionality. We propose a new design…

Optics · Physics 2021-04-21 Jung-Wan Ryu , Jinhang Cho

The operations of Resistive Plate Chambers in LHC experiments require F-based gases for optimal performance. Recent regulations demand the use of environmentally unfriendly F-based gases to be limited or banned. This report shows results of…

Instrumentation and Detectors · Physics 2015-05-08 L. Benussi , S. Bianco , M. Ferrini , L. Passamonti , D. Pierluigi , D. Piccolo , A. Russo , G. Saviano