Selective Diffraction with Complex Amplitude Modulation by Dielectric Metasurfaces
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DOI: 10.1002/adom.201701181
Abstract: Metasurfaces have attracted extensive interests due to their ability to locally manipulate optical parameters of light and easy integration to complex optical systems. Particularly, metasurfaces can provide a novel platform for splitting and diffracting light… read more here.
Keywords: diffraction; complex amplitude; amplitude modulation; selective diffraction ... See more keywords
Ohmic Dissipation‐Assisted Complex Amplitude Hologram with High Quality
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DOI: 10.1002/adom.202002242
Abstract: Tailoring the phase and amplitude of electromagnetic waves has drawn great attention in the microwave, terahertz, and even optics domains. However, the existing method for simultaneous control of these two essential properties suffers from inadequate… read more here.
Keywords: complex amplitude; phase; high quality; amplitude ... See more keywords
Complex amplitude field reconstruction in atmospheric turbulence based on deep learning.
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DOI: 10.1364/oe.450710
Abstract: In this paper, we use deep neural networks (DNNs) to simultaneously reconstruct the amplitude and phase information of the complex light field transmitted in atmospheric turbulence based on deep learning. The results of amplitude and… read more here.
Keywords: field; turbulence based; complex amplitude; based deep ... See more keywords
Three-dimensional particle size and position measurement by linear complex amplitude Wiener filtering.
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DOI: 10.1364/oe.455451
Abstract: Digital in-line holography (DIH) combined with a Wiener filter has been applied to measure particle size and position in the flow inside a capillary model, seeded with magnetic particles (3µm) and with solid opaque particles… read more here.
Keywords: particle size; size position; complex amplitude;
Generation of complicated millimeter-wave beams based on a wideband high-transmission polarization-independent complex-amplitude metasurface.
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DOI: 10.1364/oe.456130
Abstract: Complex amplitude modulation metasurfaces (CAMM) that can independently control both amplitude and phase have fostered a broad research interest worldwide due to its more robust wave manipulation capability than metasurfaces that can only adjust phase.… read more here.
Keywords: millimeter wave; complex amplitude; wave beams; high transmission ... See more keywords
Polarization-independent 3D metasurface with complex amplitude modulation.
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DOI: 10.1364/oe.470718
Abstract: Metasurfaces, which possess unprecedented capabilities in manipulating electromagnetic wavefronts, are promising for accurate complex amplitude modulation with a compact device. However, current strategy of complex amplitude modulation based on metasurfaces focuses on anisotropic unit design… read more here.
Keywords: polarization independent; amplitude modulation; complex amplitude; amplitude ... See more keywords
Dual-channel geometric meta-holograms with complex-amplitude modulation based on bi-spectral single-substrate-layer meta-atoms.
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DOI: 10.1364/oe.473090
Abstract: Metasurfaces with complex-amplitude modulation are superior in power regulation and hologram imaging resolution compared with those with phase-only modulation. Nevertheless, a single-cell metasurface with multi-band independent phase and amplitude controls is still a great challenge… read more here.
Keywords: single substrate; amplitude modulation; meta; complex amplitude ... See more keywords
Complex amplitude modulated holographic display system based on polarization grating.
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DOI: 10.1364/oe.478561
Abstract: We propose a holographic display system for complex amplitude modulation (CAM) using a phase-only spatial light modulator (SLM) and two polarization gratings (PG). The two sub-holograms of the complex-amplitude computed generated hologram (CGH) are loaded… read more here.
Keywords: display system; system; complex amplitude; holographic display ... See more keywords
Complex-amplitude modulation of surface waves based on a metasurface coupler.
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DOI: 10.1364/oe.485620
Abstract: Simultaneous and independent modulation of the amplitude and phase of surface waves (SWs) is critical in photonics and plasmonics. Here, we propose a method for flexible complex-amplitude modulation of SWs based on a metasurface coupler.… read more here.
Keywords: coupler; amplitude; modulation; amplitude modulation ... See more keywords
Complex-amplitude single-pixel imaging.
Sign Up to like & getrecommendations! Published in 2018 at "Optics letters"
DOI: 10.1364/ol.43.003682
Abstract: A single-pixel camera can be represented using complex-amplitude. The complex-amplitude representation of input signals and output signals enables us to perform complex-amplitude imaging of an object, particularly profilometry with reflectance measurements or quantitative phase imaging… read more here.
Keywords: pixel imaging; amplitude single; amplitude; single pixel ... See more keywords