/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Light can behave in very unexpected ways when you squeeze it into small spaces. In a paper in the journal Science, Mark Brongersma, a professor of materials science and engineering at Stanford University, and doctoral candidate Skyler Selvin describe the novel way they have used sound to manipulate light that has been confined to gaps only a few nanometers across—allowing the researchers exquisite control over the color and intensity of light mechanically. /news/2025-07-nanodevice-sculpt-paving-displays-imaging.html Nanophysics Nanomaterials Thu, 31 Jul 2025 14:00:05 EDT news673170541 Exploring the BTZ black hole in (2+1)-dimensional gravity took me down a fascinating rabbit hole, connecting ideas I never expected—like black holes and topological phases in quantum matter! When I swapped the roles of space and time in the equations (it felt like turning my map upside down when I was lost in a new city), I discovered an interior version of the solution existing alongside the familiar exterior, each with its own thermofield double state. /news/2025-07-space-btz-black-hole.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Thu, 31 Jul 2025 09:10:04 EDT news673171327 Using 3D holograms polished by artificial intelligence, researchers introduce a lean, eyeglass-like 3D headset that they say is a significant step toward passing the "Visual Turing Test." /news/2025-07-3d-headset-holograms-ai-lifelike.html Optics & Photonics Mon, 28 Jul 2025 10:44:08 EDT news672918242 Rapidly increasing data traffic is placing ever greater demands on the capacity of communication systems. In an article titled "Ultra-broadband optical amplification using nonlinear integrated waveguides" published in Nature, a research team from Chalmers University of Technology, in Sweden, introduce a new amplifier that enables the transmission of 10 times more data per second than those of current fiber-optic systems. /news/2025-04-amplifier-bandwidth-super-lasers.html Optics & Photonics Wed, 09 Apr 2025 11:00:28 EDT news663406261 Researchers at The University of Manchester's National Graphene Institute have introduced a new class of reconfigurable intelligent surfaces capable of dynamically shaping terahertz (THz) and millimeter (mm) waves. Detailed in a paper published in Nature Communications, this breakthrough overcomes long-standing technological barriers and could pave the way for next-generation 6G wireless technologies and non-invasive imaging systems. /news/2025-03-graphene-based-programmable-surfaces-advance.html Optics & Photonics Thu, 27 Mar 2025 11:00:45 EDT news662292041 Computational microscopy is vital in biomedicine and materials science. Traditional methods struggle with optical aberrations, noise interference, and differences between physical models and real-world imaging, reducing the resolution and accuracy. They rely on pixel-level optimization, which fails to maintain high-quality imaging in complex environments. Therefore, developing a precise and stable computational imaging approach has become a research focus. /news/2025-03-high-fidelity-microscopy-stable-features.html Biotechnology Molecular & Computational biology Mon, 10 Mar 2025 15:47:03 EDT news660840422 A recent study in Â鶹ÒùÔºical Review Letters explores quantum effects on black hole thermodynamics and geometry, focusing on extending two classical inequalities into the quantum regime. /news/2024-11-classical-black-hole-inequalities-quantum.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Sat, 23 Nov 2024 10:50:01 EST news651502238 Researchers from Seoul National University College of Engineering announced they have developed an optical design technology that dramatically reduces the volume of cameras with a folded lens system utilizing "metasurfaces," a next-generation nano-optical device. /news/2024-11-ultra-compact-optical-virtual-augmented.html Optics & Photonics Wed, 20 Nov 2024 14:35:52 EST news651335748 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 momentum (OAM) can be harnessed to improve imaging and data transmission through skin and other biological tissues. /news/2024-10-optical-technique-orbital-angular-momentum.html Optics & Photonics Fri, 25 Oct 2024 13:51:04 EDT news649083061 A study by researchers from the Institute of Applied Â鶹ÒùÔºics at the Hebrew University of Jerusalem, published in Nature Photonics, presents a new method for non-invasive high-resolution imaging through highly scattering media. /news/2024-10-image-holographic-wavefront-fast-versatile.html Optics & Photonics Fri, 18 Oct 2024 05:00:01 EDT news648399213 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 have overcome the limitations of existing metasurface technologies and successfully designed a Janus metasurface capable of perfectly controlling asymmetric light transmission. By applying this technology, they have also proposed an innovative method to significantly enhance security by only decoding information under specific conditions. /news/2024-10-janus-metasurface-technology-optical-responses.html Optics & Photonics Tue, 15 Oct 2024 16:34:17 EDT news648228853 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 communication technologies, including quantum light sources and medical diagnostic devices. /news/2024-09-nonlinear-optical-metasurface-electrically-tunable.html Optics & Photonics Fri, 27 Sep 2024 12:00:01 EDT news646656846 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 range of applications, including educational uses and point-of-care diagnostics in resource-limited settings. /news/2024-09-smartphone-based-microscope-rapidly-reconstructs.html Optics & Photonics Wed, 11 Sep 2024 17:19:03 EDT news645293941 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 information render X-ray imaging a powerful tool to understand processes such as catalysis, light harvesting or mechanics. /news/2024-09-method-captures-stochastic-dynamics-coherent.html Nanophysics Nanomaterials Wed, 04 Sep 2024 17:05:03 EDT news644688301 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. /news/2024-09-metasurfaces-tiny-tech-big-potential.html Nanophysics Nanomaterials Wed, 04 Sep 2024 15:58:43 EDT news644684321 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 occur, these violent events can perturb spacetime itself, producing gravitational waves detectable on Earth from hundreds of millions of light years away. /news/2024-08-neutron-star-mergers-illuminate-mysteries.html Astronomy Wed, 14 Aug 2024 11:35:04 EDT news642854101 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 spherical at an interface. It has garnered widespread attention due to its novel physical properties and promising potential applications. /news/2024-08-metalenses-phase-characterization-multi-distance.html Optics & Photonics Wed, 07 Aug 2024 10:10:01 EDT news642243897 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 become an emerging focus of academia and industry. /news/2024-08-optimization-inverse-problem-generated-holography.html Optics & Photonics Mon, 05 Aug 2024 11:45:09 EDT news642077090 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 was led by Prof. Li Fei and Zheng Hairong from the Shenzhen Institute of Advanced Technology (SIAT) of Chinese Academy of Sciences, along with Prof. Mao Yilei and Yang Huayu from the Peking Union Medical College (PUMC) Hospital, /news/2024-07-procedure-isolating-primary-mouse-hepatocytes.html Cell & Microbiology Biotechnology Tue, 23 Jul 2024 16:54:03 EDT news640972441 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 unimaginably small scales. /news/2024-07-scientists-visualize-magnetic-fields-atomic.html Condensed Matter Optics & Photonics Fri, 05 Jul 2024 09:01:04 EDT news639388861 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 material merges the unique properties of quasicrystals with light manipulation techniques. /news/2024-06-scientists-quasicrystal-metasurface-holographic-images.html Optics & Photonics Fri, 14 Jun 2024 12:42:44 EDT news637587762 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 in ultrafast imaging by separately and clearly observing two distinct holographic patterns, spider-leg- and fishbone-like, for the first time. /news/2024-05-team-distinct-holographic-patterns-ultrafast.html Optics & Photonics Fri, 10 May 2024 13:40:33 EDT news634567231 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 of the study, carried out by Professor Yuki Kimura at Hokkaido University and co-workers at 13 other institutions in Japan, are published in the journal Nature Communications. /news/2024-04-probing-effects-interplanetary-space-asteroid.html Planetary Sciences Mon, 29 Apr 2024 05:00:01 EDT news633342601 A new research study from Opto-Electronic Advances discusses tailoring electron vortex beams with customizable intensity patterns by electron diffraction holography. /news/2024-04-tailoring-electron-vortex-customizable-intensity.html Optics & Photonics Quantum Â鶹ÒùÔºics Tue, 23 Apr 2024 15:57:06 EDT news633106623 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. However, the conventional methods for generating computer-generated holograms (CGHs) rely on repetitive computations, leading to increased computational complexity and impracticality for real-time applications. /news/2024-04-advancing-real-3d-holographic-display.html Optics & Photonics Mon, 08 Apr 2024 17:29:02 EDT news631816141 Researchers have developed a 3D full-color display method that uses a smartphone screen rather than a laser to create holographic images. With further development, the new approach could be useful for augmented or virtual reality displays. /news/2024-04-smartphone-screen-3d-layered-holographic.html Optics & Photonics Tue, 02 Apr 2024 12:51:04 EDT news631281061 There are many ways to store data—digitally, on a hard disk, or using analog storage technology, for example as a hologram. In most cases, it is technically quite complicated to create a hologram: High-precision laser technology is normally used for this. /news/2024-03-holographic-message-encoded-simple-plastic.html Optics & Photonics Mon, 18 Mar 2024 10:58:03 EDT news629978281 Researchers have made a significant breakthrough in controlling the polarization of light, a crucial property for various applications such as augmented reality, data storage, and encryption. /news/2024-03-method-polarization-liquid-crystals-holograms.html Optics & Photonics Mon, 11 Mar 2024 13:42:01 EDT news629383318 According to a recent study from the University of Helsinki, published in the journal Â鶹ÒùÔºical Review Letters, a vortex of a superfluid that has been quantized four times has three ways of dividing, depending on the temperature. /news/2024-02-quantum-state-rotating-superfluid-discharge.html General Â鶹ÒùÔºics Quantum Â鶹ÒùÔºics Fri, 16 Feb 2024 10:24:32 EST news627301468 Information security has become particularly crucial under the background of the big data era. Optical secret-sharing schemes encrypt information and physically divide it into different shares. Information can only be decrypted by cascading a sufficient number of shares. /news/2024-02-multi-dimensional-multiplexing-optical-secret.html Optics & Photonics Tue, 06 Feb 2024 14:19:03 EST news626451541