Metasurface optical holography

Author: atga

August undefined, 2024

WebIn this book, a brief evolving history from surface plasmon polariton holography to metamaterial holography and finally to metasurface holography is introduced at first. … Web14 aug. 2024 · Metasurfaces, ultrathin two-dimensional metamaterials with subwavelength features, can manipulate the amplitude, phase, and polarization of the light, solving the …

Metasurface Holograms for Holographic Imaging - Wan - 2024

Web12 feb. 2024 · 1 INTRODUCTION. Holography is an optical technology that records and reconstructs wavefronts of light analogously or digitally, and has exhibited potential for … Web7 apr. 2024 · Advanced Optical Materials. 2024; TLDR. The proposed metasurface with its sparsity not only facilitates design and fabrication, but also opens the door to high‐efficiency real‐time reprogrammable functionalities in beam manipulations, wireless power transfer, and imaging holography. Expand. 24. PDF. stewart hilliard

Recent advances in metasurface hologram technologies (Invited …

Web15 jun. 2024 · Metasurfaces enable manipulation of light propagation at an unprecedented level, benefitting from a number of merits unavailable to conventional optical elements, such as ultracompactness, precise phase and polarization control at deep subwavelength scale, and multifunctionalities. Web21 uur geleden · Optical metasurfaces offer a compact platform for the manipulation of the amplitude, phase, and polarization state of light. Relevant applications include but are … Web16 feb. 2024 · Metasurface-based holographic stereogram of a 3D object. a) Rendered target 3D object. The object consisted of three rods with a length (L) and width of 25 and 3 µm, respectively. b) Calculated phase distribution of the metasurface for the holographic stereogram. c) Optical microscope image of the fabricated metasurface. stewart highway alaska

Light sheets for continuous-depth holography and three …

Angular momentum holography via a minimalist metasurface for …

WebOptical holography capable of the complete recording and reconstruction of light’s wavefront, plays significant roles on interferometry, microscopy, imaging, data storage, and three-dimensional displaying. Conventional holography treats light as scalar field with only phase and intensity dimensions, leaving the polarization information entirely neglected. … Web29 jul. 2024 · With the advent of metasurfaces, it is now possible to create ultracompact optical elements using only a single surface with a near-wavelength thickness 2. … stewart hill speakerWeb10 nov. 2024 · Metasurfaces, two-dimensional arrays of subwavelength structures known as meta-atoms, have been nominated as a candidate for a new generation of OVDs as they … stewart hillman

"Web28 sep. 2024 · Because of the design flexibility and the capacity of arbitrary wavefront manipulation, metasurfaces are emerging as a promising candidate for holographic … " - Metasurface optical holography

Metasurface optical holography

Sparse Metasurfaces for Scattering Cross Section Reduction of ...

WebFigure 6f–i shows the simulation and measured holographic images in the transmitted crosspolarized channels at 15 GHz under y-polarized forward and backward wave … Web14 aug. 2024 · Metasurfaces, ultrathin two-dimensional metamaterials with subwavelength features, can manipulate the amplitude, phase, and polarization of the light, solving the above issues. In this review, advances of holography, CGH algorithms, and the principles of various metasurfaces are presented.

Did you know?

Web1 dec. 2024 · Figure 1. Schematic diagram of the multifunctional metasurface for simultaneous near-field and 3D holographic displaying. The badge of the Xiangtan University is displayed on the sample surface. Letters 'X,' 'T,' and 'U' are formed at different propagating planes. Download figure: Standard image High-resolution image. Web1 dec. 2024 · Photonic metasurface, a 2D array of plasmonic or dielectric optical meta-atoms, provides a versatile and compact platform for manipulating the polarization, phase and amplitude of light. It has ...

Web9 mrt. 2024 · The metasurface holograms are implemented based on three original images showing 'H,' 'I,' and 'T,' respectively. Figure 6 (a) exhibits the original image of the letter 'H' with 40 × 40 pixels. Figures 6 (b) and (c) illustrate the transmission amplitude and phase distribution that need to be implemented by the meta-atoms calculated by the inverse … Web1 nov. 2024 · To realize the holographic function of the LCP light, the required phase profile φ L (x, y) of the metalens can be obtained by the GS algorithm [21], [22]. Fig. 2 introduces the designing process of holographic phase imaging of the metasurface. Firstly, it is necessary to use the GS algorithm to iteratively calculate the required holographic …

WebThe metasurface holography is a powerful tool for optical encryption , , , , , , three dimensional (3D) displays , , , and data storage . Metasurface holograms have been achieved by reconstructing the complex wavefronts of light with the technique of computer-generated holograms (CGH). Web13 apr. 2024 · The new approach stacks 2D sheets of light to create 3D holograms. “By doing so, we have mitigated the depth perception problem that has traditionally affected holography,” said Ahmed Dorrah, first author on the paper and a research associate in the Capasso group. “We can also achieve uniformly spaced sheets of light while maintaining …

WebThe on-chip metasurface is introduced into integrated optical waveguides to achieve arbitrary modulation of guided waves, which provides a convenient and versatile platform for the conversion between guided waves and free-space functions. Despite previous explorations in on-chip holography demonstration, it still faces critical challenges to …

Web22 apr. 2024 · In this review paper, we first introduce the development history of holographic imaging and metasurfaces, and demonstrate some applications of … stewart hillardWeb28 mrt. 2024 · The multi-channel AM meta-holograms have offered additional security locks, allowing us to construct the advanced optical nested encryption platform for … stewart hiltonWeb23 feb. 2024 · Vectorial metasurface holography, which not only controls the intensity profile, but also modifies the polarization distributions of the light field, has recently … stewart hitchWebsn-news: #optical #comms #qcomp #security Angular momentum holography via a minimalist metasurface for optical nested encryption. 13 Apr 2024 01:03:00 stewart hine artistWeb11 jun. 2024 · Optical phased arrays (OPAs) are essential optical elements in applications that require the ability to manipulate the light-wavefront, such as beam focusing and light … stewart historic farmWeb23 feb. 2015 · Design of the metasurface hologram A complex digital image containing Einstein's portrait (550 × 300 pixels and 256 greyscale levels) was chosen as a … stewart hillWeb15 nov. 2013 · Metasurfaces, a new class of metamaterials that consist of only a monolayer of planar metallic structures, have shown great promise for achieving full control of the … stewart ho trains