Results 1 to 10 of about 735,881 (338)

Ultraviolet optical horn antennas for label-free detection of single proteins [PDF]

Nature Communications, 2022
The authors introduce optical horn antennas, a nanophotonic platform combining plasmonic enhancement, efficient collection and background screening, for detection of UV autofluorescence from single proteins.
Aleksandr Barulin, Prithu Roy, Jean-Benoît Claude, Jérôme Wenger   +3 more
doaj   +4 more sources

VitRad: A low-cost continuous wave Doppler radar system with 3D-printed horn antennas for human vital sign detection [PDF]

HardwareX, 2022
In this study, a low-cost continuous wave (CW) radar system with 3D-printed high-gain horn antennas called VitRad is proposed for human vital sign detection.
Hyunmin Jeong, Dohyun Kim, Gyoungdeuk Kim, Sangkil Kim   +3 more
doaj   +2 more sources

Geodesic H-Plane Horn Antennas

IEEE Transactions on Antennas and Propagation, 2023
This article describes a detailed procedure that allows for a time-efficient design of fully metallic geodesic H-plane horn antennas using an in-house ray-tracing method together with an optimization algorithm.
Mingzheng Chen, F. Mesa, O. Quevedo–Teruel   +2 more
semanticscholar   +4 more sources

Novel Planar Horn Antenna for 75/85 GHz Experimental Wireless Link [PDF]

Radioengineering, 2015
In the paper, we describe a novel H-plane horn antenna for an experi¬mental wireless link operating in frequency bands 71 to 76 GHz and 81 to 86 GHz.
J. Puskely, T. Urbanec, T. Mikulasek, Z. Raida, V. Rericha, J. Bartyzal   +5 more
doaj   +4 more sources

Metallic, 3D-Printed, K-Band-Stepped, Double-Ridged Square Horn Antennas

Applied Sciences, 2017
This paper presents K-band-stepped, double-ridged square horn antennas fabricated by metallic 3D printing technology in copper (85% copper and 15% stannum) and aluminum alloy (89.5% aluminum, 10% silicon, and 0.5% magnesium).
Bing Zhang, Yong-Xin Guo, Hucheng Sun, Yanjie Wu   +3 more
doaj   +2 more sources

220–325 GHz all-photopolymer Bragg horn antennas towards eco-friendly terahertz applications [PDF]

Scientific Reports
This paper presents the development of the world’s first high-gain, all-photopolymer Bragg horn antennas explicitly designed for the WR-3.4 band (220–325 GHz), marking a groundbreaking advancement in terahertz (THz) antenna technology.
Nonchanutt Chudpooti, Binbin Hong, Rungrat Viratikul, Feaveya Kheawprae, Akkarat Boonpoonga, Panuwat Janpugdee, Weijia Zhang, Prayoot Akkaraekthalin, Joachim Oberhammer, Nutapong Somjit   +9 more
doaj   +2 more sources

DESIGN OF ANTENNAS FOR HYBRID FSO/RF TRANSMISSION SYSTEM [PDF]

Acta Electrotechnica et Informatica, 2021
The purpose of this publication is to create and correctly analyse a secondary RF line for a hybrid FSO/RF system. Since we want to ensure almost 100% functionality, the design of a secondary RF line is very important.
Maroš LAPČÁK, Ľuboš OVSENÍK, Jakub ORAVEC, Norbert ZDRAVECKÝ   +3 more
doaj   +1 more source

Optimization of Pyramidal and Conical Horn Antennas Parameters to Operate with High Radiation Performances for 5G Communication Using CST and HFSS Techniques

Zanco Journal of Pure and Applied Sciences, 2023
In this study, two techniques (CST and Ansoft HFSS) are used and compared for developing typically pyramidal and conical horn antennas which associated with waveguides operation at 28 GHz for 5G communications.
Skala Hatem Mohammed ,Mudhaffer Mustafa Ameen ,Sattar Othman Hasan
doaj   +1 more source

Coupling Reduction of Two Adjacent Quad-Ridge Horn Antennas at 20-40 GHz Frequency Range by Using of Wideband Electromagnetic Band Gap Structure

Majlesi Journal of Electrical Engineering, 2022
In this paper, the Electromagnetic Band-Gap (EBG) structures have been used to decrease the mutual coupling between two wideband quad-ridge horn antennas.
Farzad Mohajeri, Arman Bordbar, Anis Moradi Kouchi   +2 more
doaj   +1 more source

Self-Sustained Rigid Fully Metallic Metasurfaces to Enhance Gain of Shortened Horn Antennas

IEEE Access, 2022
This article presents mechanically robust, low-cost, lightweight, and polarization-independent metallic metasurfaces (MMs) to enhance the gain and directivity of shortened horn antennas.
F. Ahmed, M. Afzal, Touseef Hayat, K. Esselle, D. Thalakotuna   +4 more
semanticscholar   +1 more source