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Astronomy Aug 14, 2024

Neutron-star mergers illuminate the mysteries of quark matter

Neutron stars are the remnants of old stars that have run out of nuclear fuel and undergone a supernova explosion and a subsequent gravitational collapse. Although their collisions—or binary mergers—are rare, when they do ...

Optics & Photonics Aug 7, 2024

Metalenses phase characterization by multi-distance phase retrieval

Metalens is a kind of optical metasurface composed of metaatoms for manipulating incoming light's amplitude, phase, and polarization. Unlike traditional refractive lenses, metalens can modulate the wavefront from plane to ...

Optics & Photonics Aug 5, 2024

Optimization for inverse problem solving in computer-generated holography

Computer-generated holography (CGH) provides an approach to digitally modulate a given wavefront. This technology, partly inherited from optical holography and partly advanced by the progress of computing technology, has ...

Cell & Microbiology Jul 23, 2024

Researchers develop novel procedure for isolating primary mouse hepatocytes with holographic acoustic tweezers

Recently, a research team established a comprehensive procedure for isolating primary mouse hepatocytes and maintaining them in long-term culture with significant amplification in a two-dimensional (2D) environment. The team ...

Condensed Matter Jul 5, 2024

Scientists visualize magnetic fields at atomic scale with holography electron microscope

A research team from Japan, including scientists from Hitachi, Ltd. (TSE 6501, Hitachi), Kyushu University, RIKEN, and HREM Research Inc. (HREM), has achieved a major breakthrough in the observation of magnetic fields at ...

Optics & Photonics Jun 14, 2024

Scientists find quasicrystal metasurface projects holographic images and light patterns simultaneously

Scientists have advanced metasurface technology by developing a new design that simultaneously projects holographic images and creates special diffraction patterns with ten-fold rotation symmetry of quasicrystal. This ultra-thin ...

Optics & Photonics May 10, 2024

Team observes two distinct holographic patterns with ultrafast imaging

A team of scientists led by Professor Dong Eon Kim at the Pohang University of Science and Technology and Professor X. Lai at the Innovation Academy for Precision Measurement Science and Technology has achieved a breakthrough ...

Planetary Sciences Apr 29, 2024

Probing the effects of interplanetary space on asteroid Ryugu

Analyzing samples retrieved from the asteroid Ryugu by the Japanese Space Agency's Hayabusa2 spacecraft has revealed new insights into the magnetic and physical bombardment environment of interplanetary space. The results ...

Optics & Photonics Apr 23, 2024

Tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography

A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography.

Optics & Photonics Apr 8, 2024

Advancing real-time 3D holographic display: A new method for computer-generated holography

Holographic displays offer a promising avenue for achieving lifelike 3D reproductions with continuous depth sensation, holding potential applications in fields such as entertainment, medical imaging, and virtual reality. ...

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