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Quantum Illumination at the Microwave Wavelengths [PDF]

open access: yesPhysical Review Letters, 2015
Quantum illumination is a quantum-optical sensing technique in which an entangled source is exploited to improve the detection of a low-reflectivity object that is immersed in a bright thermal background.
Barzanjeh, Shabir   +5 more
core   +9 more sources

Microwaves in Chemistry [PDF]

open access: yesIEEE Journal of Microwaves, 2021
The unique properties of microwaves make them useful in many diverse applications across a wide range of fields, spanning much of engineering and science. In the chemical sciences, microwaves provide a toolkit of electric and magnetic effects with which, at high power, unconventional heating modes can be used to produce new materials not obtainable by ...
Daniel R. Slocombe, Adrian Porch
openaire   +3 more sources

Wavelength Modulation Characteristics of Metal Gratings on Si-Based Blocked-Impurity-Band (BIB) Terahertz Detectors

open access: yesMicromachines, 2022
In this work, the wavelength selection characteristics of metal gratings on Si-based blocked-impurity-band (BIB) detectors in the terahertz band were studied by performing experiments and a finite difference time domain (FDTD) simulation.
Yulu Chen   +9 more
doaj   +1 more source

The Anti-Reflection Coating Design for the Very-Long-Wave Infrared Si-Based Blocked Impurity Band Detectors

open access: yesCrystals, 2022
An anti-reflection coating on a back-illuminated 128 × 128 array Si-based blocked impurity band (BIB) detector in a very-long-wave infrared range was designed in this work. The reflectance and transmittance spectra of ZnS films with different thicknesses
Zuoru Dong   +8 more
doaj   +1 more source

Novel Technique of Gap Waveguide Cavity Resonator Sensor with High Resolution for Liquid Detection

open access: yesInternational Journal of Antennas and Propagation, 2022
This article proposes a novel microfluidic sensor designed with a highly accurate Q-factor for liquid detection. The proposed sensor is developed and implemented with a gap waveguide cavity resonator (GWCR) approach.
Ammar Alhegazi   +8 more
doaj   +1 more source

The Incident Field Optimization Method for the Electromagnetic Inverse Problems

open access: yesInternational Journal of Antennas and Propagation, 2022
In this letter, an incident field optimization (IO) method integrated with contrast source inversion (CSI) method and multiplicative regularized CSI (MR-CSI) method is proposed to deal with the electromagnetic inverse problems.
Hao Li, Lijia Chen, Jinghui Qiu
doaj   +1 more source

Highly Efficient Calibration of Antenna Arrays by Active Targets in the Near-Field

open access: yesIEEE Open Journal of Antennas and Propagation, 2023
To enhance the capabilities of high-resolution imaging or beamforming, the trend goes towards arrays with high-channel count and large aperture sizes.
Matthias Linder   +4 more
doaj   +1 more source

A 3D Printed Ka-Band High-Efficiency Wide-Slit Antenna Array for High-Power Microwave Applications

open access: yesInternational Journal of Antennas and Propagation, 2022
A Ka-band high-power waveguide wide-slit antenna array with high efficiency and high-power capacity is proposed in this paper. The antenna uses a waveguide vertical transition structure as a part of the feed network, which improves the compactness and ...
Liang Liu   +5 more
doaj   +1 more source

Flexible Direction-of-Arrival Simulation for Automotive Radar Target Simulators

open access: yesIEEE Journal of Microwaves, 2021
In order to simulate realistic traffic scenarios, a radar target simulator must be able to generate multiple radar targets with different directions of arrival.
Pirmin Schoeder   +4 more
doaj   +1 more source

UAV-Based Bistatic SAR-Imaging Using a Stationary Repeater

open access: yesIEEE Journal of Microwaves, 2023
Synthetic aperture radar (SAR) is an established technique for high-resolution radar imaging relying on the ego-motion of the radar. The long coherent integration time of the radar in conjunction with a linear or circular trajectory enables the ...
Alexander Grathwohl   +4 more
doaj   +1 more source

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