Articles with "amplitude phase" as a keyword



Nonlinear Metasurfaces for Completed Control of Amplitude, Phase, and Polarization in Broadband Terahertz Generation

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Published in 2025 at "Advanced Materials"

DOI: 10.1002/adma.202500392

Abstract: Terahertz (THz) generation is a crucial initial step in THz applications. However, the current THz sources face challenges in fully controlling the propagation properties of generated THz waves without the use of external devices. This… read more here.

Keywords: generation; control; thz; amplitude phase ... See more keywords

Broadband Generation of Airy Beams with Hyperbolic Metamaterials

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201900493

Abstract: DOI: 10.1002/adom.201900493 the generation of Airy beams, it is highly desirable to locally control the amplitude and phase of the output beam simultaneously so as to satisfy the polynary amplitude and binary phase distributions. Traditional… read more here.

Keywords: airy beam; airy; amplitude phase; airy beams ... See more keywords

Tailoring Circular Dichroism for Simultaneous Control of Amplitude and Phase via Ohmic Dissipation Metasurface

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202100140

Abstract: Circular dichroism, as one of the exotic phenomena, derives from chirality biomolecules in nature, expressing differential absorption of spin angular momentum. The concept of dichroism has been migrated to the field of artificial materials and… read more here.

Keywords: simultaneous control; dichroism; circular dichroism; amplitude phase ... See more keywords

Amplitude‐Phase Independently Encoding Space‐Division Multiplexed Wireless Communication Using Beamforming Reconfigurable Metasurfaces

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401181

Abstract: Wireless communications utilizing reconfigurable metasurfaces have garnered significant attention due to their capability to transmit information without traditional radio‐frequency chains. Space‐division multiplexing techniques, in particular, can be utilized to improve their channel capacity. However, most… read more here.

Keywords: space division; amplitude phase; wireless communication; modulation ... See more keywords

Amplitude and Phase Imaging of CW-THz Waves Using a Photomixing System with Coherent Detection

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Published in 2025 at "Journal of Infrared, Millimeter, and Terahertz Waves"

DOI: 10.1007/s10762-025-01032-0

Abstract: Continuous-Wave Terahertz (CW-THz) phase and amplitude imaging provides valuable insights into the interaction between THz waves and matter, particularly in low-absorption materials. This information is also essential for enhancing CW-THz beam profiling, a critical aspect… read more here.

Keywords: thz waves; imaging thz; thz; amplitude phase ... See more keywords

Electro-optical Amplitude and Phase Modulators Based on Tunable Guided-Mode Resonance Effect

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Published in 2019 at "ACS Photonics"

DOI: 10.1021/acsphotonics.9b00950

Abstract: Here, electrically tunable amplitude and phase modulators are designed by the hybridization of indium tin oxide (ITO) into a guided-mode resonance mirror (so-called GMRM) which consists of a high-index silicon (Si) nanograting placed on top… read more here.

Keywords: mode resonance; phase modulators; amplitude phase; guided mode ... See more keywords

The Growth and Decay of Intense GNSS Amplitude and Phase Scintillation During Non‐Storm Conditions

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Published in 2024 at "Space Weather"

DOI: 10.1029/2024sw004108

Abstract: A multi‐instrument study is conducted at the dayside polar ionosphere to investigate the spatio‐temporal evolution of scintillation in Global Navigation Satellite System (GNSS) signals during non‐storm conditions. Bursts of intense amplitude and phase scintillation started… read more here.

Keywords: phase scintillation; non storm; amplitude phase; scintillation ... See more keywords

Wavelet compression of off-axis digital holograms using real/imaginary and amplitude/phase parts

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Published in 2019 at "Scientific Reports"

DOI: 10.1038/s41598-019-44119-0

Abstract: Compression of digital holograms allows one to store, transmit, and reconstruct large sets of holographic data. There are many digital image compression methods, and usually wavelets are used for this task. However, many significant specialties… read more here.

Keywords: compression; axis digital; digital holograms; wavelet compression ... See more keywords

Amplitude and phase control in SIW structures by tuning multilayered graphene

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Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-26818-z

Abstract: Graphene is a unique 2D material that provides exceptional mechanical properties, ultra-high carrier mobility, and dynamically adjustable surface conductivity, making it an excellent choice for microwave devices. However, the dynamic manipulation of amplitude and phase… read more here.

Keywords: control siw; multilayered graphene; amplitude phase; phase ... See more keywords

The Relationship between Psychoacoustic and Electrophysiological Assessments of Temporal Resolution.

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Published in 2021 at "Journal of the American Academy of Audiology"

DOI: 10.1055/s-0041-1722983

Abstract: BACKGROUND  Temporal resolution is essential to speech acoustic perception. However, it may alter in individuals with auditory disorders, impairing the development of spoken and written language. The envelope of speech signals contains amplitude modulation (AM)… read more here.

Keywords: mdt; modulation; temporal resolution; psychoacoustic electrophysiological ... See more keywords
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Acoustic energy transport characteristics based on amplitude and phase modulation using waveguide array

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Published in 2020 at "Journal of Applied Physics"

DOI: 10.1063/5.0022441

Abstract: To realize the multi-functional manipulation of the acoustic field with a simple artificial structure, a waveguide array based on resonant units was proposed in this work. Based on the transmission spectrum and zero-like refractive index… read more here.

Keywords: array; phase modulation; amplitude phase; waveguide array ... See more keywords