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Metasurfaces and OLEDs Could Bring Holograms Closer to Everyday Use Metasurfaces and OLEDs Could Bring Holograms Closer to Everyday Use
ST. ANDREWS, Scotland, Aug. 28, 2025 — Research from the University of St Andrews paves the way for holographic technology, with the potential to transform smart devices, communication, gaming and entertainment. Researchers from the school of Physics and Astronomy created a new optoelectronic device from the combined use of holographic metasurfaces (HMs) and OLEDs. Until now, holograms have been created using lasers. However, researchers have found?that using OLEDs and HMs provides a simpler and more compact approach that is
Snapshot Cryo-Optical Microscopy Freezes Cells and Time
OSAKA, Japan, Aug. 28, 2025 — Optical microscopy is a key technique for understanding dynamic biological processes in cells, but observing these high-speed cellular dynamics accurately, at high spatial resolution, has long been a formidable task. Researchers from the University...
Black Metal Boosts Solar Power Generation Black Metal Boosts Solar Power Generation
ROCHESTER, N.Y., Aug. 27, 2025 — In the quest for energy independence, researchers have studied solar thermoelectric generators (STEGs) as a promising source of solar electricity generation. Unlike the photovoltaics currently used in most solar panels, STEGs can harness all kinds...
Robotic Skin Boosts Perception by Visualizing Touch Robotic Skin Boosts Perception by Visualizing Touch
NOMI, Japan, Aug. 27, 2025 — Robots are becoming increasingly integrated into everyday environments—from homes and hospitals to factories and farms. However, safely operating around humans requires more than strength or speed. Robots must also sense their surroundings,...
Microscope Design Uses Resonator to "Store" Light, Avoid Sample Degradation Microscope Design Uses Resonator to "Store" Light, Avoid Sample Degradation
VIENNA, Aug. 26, 2025 — In photography, taking a detailed image requires a lot of light. But in microscopy, too much light is often harmful to the sample, such as when imaging sensitive biological structures or investigating quantum particles. The aim is therefore to...
Optical Magnetometer Measures Both Strength and Direction Optical Magnetometer Measures Both Strength and Direction
GRAZ, Austria, Aug. 26, 2025 — A scalar magnetometer developed by Graz University of Technology (TU Graz) and the Space Research Institute of the Austrian Academy of Sciences has been improved to not only measure the strength of magnetic fields but also the direction, something...
Infrared Spectroscopy Comb Identifies Chemicals Quickly and Precisely Infrared Spectroscopy Comb Identifies Chemicals Quickly and Precisely
CAMBRIDGE, Mass., Aug. 25, 2025 — Optical frequency combs are specially designed lasers that act like rulers to accurately and rapidly measure specific frequencies of light. They can be used to detect and identify chemicals and pollutants with extremely high precision. Frequency...
Multifocus Microscope Pushes Limits of 3D Imaging Multifocus Microscope Pushes Limits of 3D Imaging
SANTA CRUZ, Calif., Aug. 25, 2025 — A high-speed 3D imaging microscope developed by researchers at the University of California, Santa Cruz can capture detailed cell dynamics of an entire small whole organism at once. The ability to image 3D changes in real time over a large field of...
OLED Contact Lenses Expand Options for Diagnostics and Treatment OLED Contact Lenses Expand Options for Diagnostics and Treatment
DAEJEON, South Korea, Aug. 25, 2025 — A wireless contact lens that integrates OLED technology into ophthalmic diagnostics could transform the way in which ocular health is monitored, benefiting both patients and practitioners. The lens is the result of a collaboration among the Korea...
Ultracompact Laser Cuts Light Loss and Could Power Optoelectronics Ultracompact Laser Cuts Light Loss and Could Power Optoelectronics
SINGAPORE, Aug. 25, 2025 — Ultracompact lasers have a wide range of applications across various industries, particularly in small devices. They’re also essential for next-generation technologies such as optical computing, data centers, high-speed communication, medical...
SPAD Camera Characterizes Large Samples of Molecules at Same Time SPAD Camera Characterizes Large Samples of Molecules at Same Time
LAUSANNE, Switzerland, Aug. 22, 2025 — A new widefield fluorescence lifetime imaging technique, achieved with a time-gated, single-photon avalanche diode (SPAD) camera, enables thousands of molecules to be characterized rapidly, accurately, and at the same time. Developed by a team at...
Upgraded Liquid Crystals Achieve Better Recall
COLUMBUS, Ohio, Aug., 21, 2025 — Researchers from Ohio State University developed a novel way for liquid crystals to retain information about their movement. The technology has implications for memory devices and sensors, and could pave the way for future soft materials that are...
Multi-Layer Diffractive Optical Processors Enable Unidirectional Visible Imaging Multi-Layer Diffractive Optical Processors Enable Unidirectional Visible Imaging
LOS ANGELES, Aug. 20, 2025 — Used in optical computing and computational imaging, diffractive optical processors and metasurfaces are flourishing within the computing industry. The demonstrations of these materials are constrained to 2D implementations and longer wavelengths...
Phosphor Ceramics Design Delivers High Luminance from Blue Lasers Phosphor Ceramics Design Delivers High Luminance from Blue Lasers
XIAMEN, China, Aug. 19, 2025 — With the goal of achieving ultrahigh luminance performance by using blue lasers to excite phosphor materials, a team at Xiamen University, led by professor Rong-Jun Xie, fabricated core-cladding phosphor ceramics (CCPC). The team’s design for...
Live Cell Superresolution Method Enables Full Range of Biological Mechanism Imaging Live Cell Superresolution Method Enables Full Range of Biological Mechanism Imaging
LONDON, Aug. 18, 2025 — Researchers introduced a superresolution imaging technique that visualizes live, dynamic cellular structures at 60- to 100-nm while significantly reducing the risk of damaging the fragile cells. This advancement in microscopy could inform research...
Microscopy Method Monitors Deep-Brain Metabolic Changes Microscopy Method Monitors Deep-Brain Metabolic Changes
CAMBRIDGE, Mass., Aug. 18, 2025 — A microscopy system developed by researchers at MIT addresses the challenges of using all-optical imaging techniques to visualize metabolic changes and neuronal activity deep within the brain. Using the system, which combines acoustic imaging and...
Full Control of Resonances Could Advance Optical Computing and Quantum Tech Full Control of Resonances Could Advance Optical Computing and Quantum Tech
MUNICH, Aug. 14, 2025 — Controlling the optical resonance in applications is akin to raising or lowering a dimmer switch. While it is possible to weaken an optical resonance or shift the wavelength slightly, complete on-off switching of a resonance is not yet possible...
Molecular Imaging Reveals Source of Polymer Defects in Optoelectronics Molecular Imaging Reveals Source of Polymer Defects in Optoelectronics
BIRMINGHAM, England, Aug. 13, 2025 — A research team from the University of Birmingham used an advanced imaging technique to identify defects in a process that is widely used to fabricate the polymers found in many devices. Lightweight, low-cost, and electrically conductive, conjugated...
Ionic-Electronic Photodetector Offers In-Sensor Image Processing Ionic-Electronic Photodetector Offers In-Sensor Image Processing
SHANGHAI, Aug. 11, 2025 — Researchers at Fudan University have developed an ionic-electronic photodetector capable of simultaneously detecting light and performing in-sensor image processing. According to the researchers, the device offers the potential to surpass certain...
Low-Cost Microphone Listens with Light Low-Cost Microphone Listens with Light
BEIJING, Aug. 8, 2025 — Traditional microphones capture tiny vibrations on the surfaces of objects caused by sound waves and turn them into audible signals. A new microphone developed by researchers at the Beijing Institute of Technology operates differently. Rather than...
Nanodevice Harnesses Acoustic Waves and Plasmonics to Control Light Nanodevice Harnesses Acoustic Waves and Plasmonics to Control Light
STANFORD, Calif., Aug. 8, 2025 — Tunable metasurfaces offer a way to control the light that is used to power many types of applications, from computer and virtual reality (VR) displays to 3D holographic imagery, optical communications, and neural networks. However, the ability to...
OCT Technique Enhances Brain-Stimulation Mapping OCT Technique Enhances Brain-Stimulation Mapping
QUÉBEC CITY, Quebec, Aug. 8, 2025 — Deep brain stimulation (DBS), a surgical procedure used to treat Parkinson’s, OCD, and other neurological disorders, involves implanting electrodes in specific brain regions to regulate abnormal neural activity. The precise placement of these...
‘Self-Driving’ Microscope Predicts Neurodegeneration ‘Self-Driving’ Microscope Predicts Neurodegeneration
LAUSANNE, Switzerland, Aug. 4, 2025 — The accumulation of misfolded proteins in the brain is central to the progression of neurodegenerative diseases like Huntington’s, Alzheimer’s, and Parkinson’s. But to the human eye, proteins that are destined to form harmful...
Imaging Technique Provides Superresolution and High SNR for Thick Samples Imaging Technique Provides Superresolution and High SNR for Thick Samples
GENOA, Italy, Aug. 4, 2025 — Sharp, detailed images of thick biological samples like human tissue are now possible using an optical microscopy method developed by researchers at the Italian Institute of Technology (IIT). The team aimed to achieve the full resolution and signal...
Common Crystal Could Transform Light-Matter Interactions at Nanoscale Common Crystal Could Transform Light-Matter Interactions at Nanoscale
SINGAPORE, Aug. 1, 2025 — Until now, it was widely thought that only hyperbolic crystals could support the light-matter waves needed to confine, steer, or manipulate light in precise ways. But a discovery made by a team at Nanyang Technological University (NTU) suggests...

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