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Mostrando ítems 11-20 de 49
Artículo
Some advances in the circuit modeling of extraordinary optical transmission
(Brno University of Technology, 2009)
The phenomenon of extraordinary optical transmission (EOT) through electrically small holes perforated on opaque metal screens has been a hot topic in the optics community for more than one decade. This experimentally ...
Artículo
Combining DC and AC electric fields with deterministic lateral displacement for micro- And nano-particle separation
(American Institute of Physics, 2019)
This paper describes the behavior of particles in a deterministic lateral displacement (DLD) separation device with DC and AC electric fields applied orthogonal to the fluid flow. As proof of principle, we demonstrate ...
Artículo
Efficient RO-PUF for generation of identifiers and keys in resource-constrained embedded systems
(MDPI, 2022-10-05)
The generation of unique identifiers extracted from the physical characteristics of the underlying hardware ensures the protection of electronic devices against counterfeiting and provides security to the data they store ...
Artículo
Balanced Microwave Transmission Lines, Circuits, and Sensors
(IEEE (Institute of Electrical and Electronics Engineers), 2023)
This paper provides an overview of balanced (or differential-mode) structures operating at microwaves, including common-mode suppression filters, balanced filters and circuits with intrinsic common-mode suppression, and ...
Artículo
Broadband Extraordinary Transmission in a single sub-wavelength aperture
(Optical Society of America, 2010)
Coordinate transformation is applied to design an all-dielectric device for Extraordinary Transmission (ET) in a single sub-wavelength slit. The proposed device has a broadband feature and can be applied from microwave to ...
Artículo
Scattering of Metal Colloids by a Circular Post under Electric Fields
(MDPI, 2023)
We consider the scattering of metal colloids in aqueous solutions by an insulating circular post under the action of an AC electric field. We analyze the effects on the particle of several forces of electrical origin: the ...
Artículo
On-Line Evaluation and Monitoring of Security Features of an RO-Based PUF/TRNG for IoT Devices
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
The proliferation of devices for the Internet of Things (IoT) and their implication in many activities of our lives have led to a considerable increase in concern about the security of these devices, posing a double challenge ...
Artículo
Wall Repulsion of Charged Colloidal Particles during Electrophoresis in Microfluidic Channels
(American Physical Society, 2022)
Electrophoresis describes the motion of charged particles suspended in electrolytes when subjected to an external electric field. Previous experiments have shown that particles undergoing electrophoresis are repelled from ...
Artículo
Application of a Capacitively-loaded Split-ring Metamaterial Lens in a 0.3 T Magnetic Resonance Imaging System
(Elsevier, 2023)
In this work, it is demonstrated that metamaterial lenses can help to increase the signal-to-noise ratio of magnetic resonance imaging coils in low-field magnetic resonance imaging systems. In low-field magnetic resonance ...
Artículo
On the Use of FIR Feedback in Bandpass Delta-Sigma Modulators
(IEEE, 2024-03)
This paper presents a new architecture for bandpass delta-sigma modulators (BP ΔΣ Ms) featuring finite impulse response (FIR) filters in the feedback path. The effectiveness of FIR feedback in lowpass delta-sigma modulators ...