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Optics & Photonics Oct 25, 2024

Optical technique that uses orbital angular momentum could transform medical diagnostics

An Aston University researcher has developed a new technique using light that could revolutionize non-invasive medical diagnostics and optical communication. The research showcases how a type of light called the orbital angular ...

Optics & Photonics Oct 18, 2024

Image-guided computational holographic wavefront shaping: Fast, versatile solutions for complex imaging challenges

A study by researchers from the Institute of Applied Âé¶¹ÒùÔºics at the Hebrew University of Jerusalem, published in Nature Photonics, presents a new method for non-invasive high-resolution imaging through highly scattering media.

Optics & Photonics Oct 15, 2024

Janus-like metasurface technology shows different optical responses according to the direction of light

Metasurface technology is an advanced optical technology that is thinner, lighter, and more capable of precisely controlling light through nanometer-sized artificial structures than conventional technologies. KAIST researchers ...

Optics & Photonics Sep 27, 2024

Nonlinear optical metasurface achieves electrically tunable third-harmonic generation

A recent study has unveiled a transformative nonlinear optical metasurface technology. This new technology, characterized by structures smaller than the wavelength of light, paves the way for significant advancements in next-generation ...

Optics & Photonics Sep 11, 2024

Smartphone-based microscope rapidly reconstructs 3D holograms

Researchers have developed a new smartphone-based digital holographic microscope that enables precision 3D measurements. The highly portable and inexpensive microscope could help bring 3D measurement capabilities to a broader ...

Nanophysics Sep 4, 2024

New method captures the stochastic dynamics in coherent X-ray imaging at the nanoscale

Coherent X-ray imaging has emerged as a powerful tool for studying both nanoscale structures and dynamics in condensed matter and biological systems. The nanometric resolution together with chemical sensitivity and spectral ...

Nanophysics Sep 4, 2024

Metasurfaces: Tiny tech with big potential

Imagine manipulating light with ultra-thin, flat sheets instead of bulky lenses and mirrors. That's the promise of metasurfaces, a nanostructure technology that can twist and bend light in ways never before possible.

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 ...

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 ...

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