Publications related to Wave interference

Robust Fano resonance in a topological mechanical beam

The advances in topological condensed matter physics enable the manipulation of classic waves in different ways, such as unidirectional propagation featuring the suppression of backscattering and the robustness against impurities and disorder, making it po ...

2020

Level-line moirés by superposition of cylindrical microlens gratings

Jürgen Brugger, Roger Hersch, Thomas Walger, Valentin Flauraud, Théophane Besson

Two superposed layers of transparent cylindrical lenslet gratings create classical moiré fringes when illuminated from behind. We rely on this observation to conceive special devices made of superposed lenslet gratings that produce compelling beating shape ...

2020

Small data global regularity for half-wave maps in n=4 dimensions

Joachim Krieger, Anna Kiesenhofer

We prove that the half-wave maps problem on

\mathbb{R}^{4+1}

with target

S^2

is globally well-posed for smooth initial data which are small in the critical

l^1

based Besov space. This is a formal analogue of the result [17]. ...

2019

Holographic imaging of electromagnetic fields via electron-light quantum interference

Fabrizio Carbone, Giovanni Maria Vanacore, Ivan Madan, Enrico Pomarico, Gabriele Berruto, Tatiana Latychevskaia, Tom Theodorus Antonius Lummen

Holography relies on the interference between a known reference and a signal of interest to reconstruct both the amplitude and the phase of that signal. With electrons, the extension of holography to the ultrafast time domain remains a challenge, although ...

American Association for the Advancement of Science (AAAS)2019

Spatial coherence properties of an LED-based illumination system for mask-aligner lithography

Hans Peter Herzig, Toralf Scharf, Wilfried Noell, Raoul Kirner, Johana Bernasconi

A high-power LED-based illumination system has been developed as a replacement for the mercury arc lamps used in mask-aligner lithography. LEDs are arranged in a grid array and placed in the entrance aperture of individual reflectors. Those reflectors decr ...

SPIE2019

Incorporating long-range physics in atomic-scale machine learning

Michele Ceriotti, Andrea Grisafi

The most successful and popular machine learning models of atomic-scale properties derive their transferability from a locality ansatz. The properties of a large molecule or a bulk material are written as a sum over contributions that depend on the configu ...

2019

A Adaptive Algorithm for Online Interference Cancellation in EMG Sensors

Hakan Gökcesu, Kaan Gökcesu

One of the biggest issues encountered in the analysis of sensitive electromyography (EMG) sensor data is the power line interference (PLI). Conventional methods in literature either lose valuable sensor data or inadequately decrease the power line noise. I ...

2019

Terahertz-optical properties of a bismuth ferrite single crystal

Henrik Moodysson Rønnow, Jean-Philippe Ansermet, Marcin Bialek

Transmission through a (100)-oriented single crystal of bismuth ferrite (BiFeO3) was studied at frequencies of 0.485-0.765 THz with a continuous-wave source and in the temperature range of 30-350 K as a function of polarization angle. The fine splitting of ...

AMER PHYSICAL SOC2019

Measurement of Displacement and Its Derivatives from a Phase Fringe Pattern

Pramod Rastogi, Rishikesh Dilip Kulkarni

Noting the fact that the phase and phase derivatives carry the information on the mechanical deformation in optical interferometric measurements techniques, we propose a noise robust fringe analysis technique for the simultaneous estimation of unwrapped ph ...

SPRINGER INTERNATIONAL PUBLISHING AG2019

Acoustic rat-race coupler and its applications in non-reciprocal systems

Romain Christophe Rémy Fleury, Farzad Zangeneh Nejad

Waveguide hybrid junctions, such as Magic-T and rat-race couplers, have been of great interest in microwave technology not only for their applications in power monitoring, but also for design and synthesis of various non-reciprocal devices including electr ...

2019

Wave interference

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Robust Fano resonance in a topological mechanical beam

Level-line moirés by superposition of cylindrical microlens gratings

Small data global regularity for half-wave maps in n=4 dimensions

Holographic imaging of electromagnetic fields via electron-light quantum interference

Spatial coherence properties of an LED-based illumination system for mask-aligner lithography

Incorporating long-range physics in atomic-scale machine learning

A Adaptive Algorithm for Online Interference Cancellation in EMG Sensors

Terahertz-optical properties of a bismuth ferrite single crystal

Measurement of Displacement and Its Derivatives from a Phase Fringe Pattern

Acoustic rat-race coupler and its applications in non-reciprocal systems

Spatial coherence properties of an LED-based illumination system for mask-aligner lithography

Robust Fano resonance in a topological mechanical beam

Measurement of Displacement and Its Derivatives from a Phase Fringe Pattern

Level-line moirés by superposition of cylindrical microlens gratings

A Adaptive Algorithm for Online Interference Cancellation in EMG Sensors

Small data global regularity for half-wave maps in n=4 dimensions

Terahertz-optical properties of a bismuth ferrite single crystal

Incorporating long-range physics in atomic-scale machine learning

Holographic imaging of electromagnetic fields via electron-light quantum interference

Acoustic rat-race coupler and its applications in non-reciprocal systems