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Technology News News
Liquid Crystal Optics Support High-Performance Compact VR Display
ORLANDO, Fla., Oct. 10, 2023 — Virtual reality (VR) and mixed reality (MR) devices are used to access applications in a growing number of fields, from entertainment to health care to manufacturing to tourism. These applications are transforming the way that people perceive and interact with digital information, and they underscore the need for near-eye displays that are both functional and comfortable for long-term use and wear. Researchers at the University of Central Florida, the College of Optics and Photonics
Microscopy Method Detects Treatment-Resistant Cancer
BALTIMORE, Oct. 9, 2023 — Therapy-induced senescent (TIS) cells are cancer cells that become resistant to therapies and enter a dormant stage. These cells can emerge from dormancy and induce tumor resistance and relapse. To provide insight into how TIS cells evolve, it is...
OLED Pumping Enables Electrically Driven Semiconductor Lasing
ST. ANDREWS, Scotland, Oct. 6, 2023 — Researchers at the University of St. Andrews demonstrated an electrically driven, organic semiconductor laser using a new approach that could improve the performance of this class of laser and further the development of ultrafast, organic...
Terahertz Generation Method Targets Ultrafast Electronics
SHANGHAI, Oct. 3, 2023 — Terahertz (THz) waves can be used to probe the magnetic properties of new materials. Efficient THz wave generation could advance applications in energy harvesting, ultrafast electronics, and THz spectroscopy. Bright, coherent THz light sources can...
Wearable Sensor Could Detect Postpartum Blood Loss
WASHINGTON, D.C., Oct. 3, 2023 — Postpartum hemorrhage, the leading and most preventable cause of maternal mortality, can be hard to detect, because physiological compensation mechanisms can mask excessive bleeding. In the early stages of hemorrhage, the sympathetic nervous system...
Photonic-Electronic NIC Serves Live Machine Learning Requests
CAMBRIDGE, Mass., Oct. 2, 2023 — A burgeoning growth in machine learning applications is occurring alongside shrinking computing resources. As computers approach the limits of their power according to Moore’s law, the need to design platforms that support the computational...
Enhanced LCD Resolution Enables More Comfortable, Immersive VR
BELLINGHAM, Wash., Sept. 29, 2023 — Researchers from Innolux Corp. have developed a 3.1-in. light-field liquid crystal display (LCD) featuring an ultrahigh pixel density to overcome limitations in near-eye display, such as light-field resolution issues. Light-field technology could...
Single-Layer OLED Design Offers Efficiency Without Complexity
MAINZ, Germany, Sept. 28, 2023 — With the development of a single-layer, blue-emitting OLED, researchers at the Max Planck Institute (MPI) for Polymer Research demonstrated that one-layer OLEDs can achieve a performance level comparable to commercial OLEDs with multiple layers,...
More Efficient Microcombs on the Road to Commercialization
GOTHENBURG, Sweden, Sept. 25, 2023 — Researchers at Chalmers University have developed a method to make microcombs 10 times more efficient, opening pathways to discovery in space and health care, and paving the way for high-performance lasers in a range of technologies. The team has...
Single-Cell Analysis Optofluidics Tool Delivers on Demand
QINGDAO, China, Sept. 20, 2023 — An on-demand optical system for exporting target droplets from a static droplet array (SDA) provides a simple way to export specific cells or analytes for analysis without compromising efficiency or accuracy. Researchers at the Qingdao Institute of...
Multicore Fiber Enables High-Speed Communications Milestone
TOKYO, Sept. 19, 2023 — The NTT Corp. and Kitami Institute of Technology (KIT) achieved a milestone in high-speed communications. The two organizations were able to deliver electric power exceeding 1 W to a remote location 10 km distant using a single optical fiber....
Spectrometer Aims to Further Refine Lithography
ENSCHEDE, Netherlands, Sept. 19, 2023 — To improve the quality of microchips and make the chipmaking process more efficient, researchers at the University of Twente’s MESA+ Institute of Nanotechnology developed an extreme ultraviolet (EUV) broadband imaging spectrometer. The new...
Photoacoustic Microscopy Method Delivers Higher Sensitivity
HONG KONG, Sept. 15, 2023 — A multispectral, super-low-dose photoacoustic microscopy (SLD-PAM) system developed by City University of Hong Kong (CUHK) achieves significantly higher sensitivity than traditional optical resolution photoacoustic imaging. By providing an...
Simulated Technique Cuts Losses in Optical Resonators
ESPOO, Finland, Sept. 13, 2023 — Optical resonators are used to control light in a range of photonic applications, from pocket-size laser pointers to quantum computers. When a resonator experiences optical loss, its ability to trap and concentrate photons deteriorates, reducing its...
Air-Leak Detection System Visualizes Building Drafts
OAK RIDGE, Tenn., Sept. 12, 2023 — Researchers at the Department of Energy’s Oak Ridge National Laboratory (ORNL) have created a detection system that allows home energy auditors to see air leaking from a building in real time with the help of a camera. This could provide more...
Complex Frequency Waves Counter Optical Losses in Superimaging
HONG KONG, Sept. 11, 2023 — Superlenses made of plasmonic materials and metamaterials can image features at the subdiffraction scale. However, intrinsic losses restrict the image resolution of superlenses, hindering their widespread use. To compensate for optical loss in...
Underwater Laser Cutting Method Optimizes Efficiency
DRESDEN, Germany, Sept. 11, 2023 — The need for modern technologies to dismantle existing underwater infrastructure is growing due to increasing demand for renewable energy sources. For example, to bring a wind power plant in the sea up to higher powers, the existing old steel...
Quantum Light Source Emits Circularly Polarized Single Photons
LOS ALAMOS, N.M., Aug. 29, 2023 — An approach to quantum light emitters developed at Los Alamos National Laboratory stacks two different atomically thin materials to realize a source that generates a stream of circularly polarized single photons that can be used for a variety of...
Novel Integration Helps Solve Imaging Bottleneck
LEUVEN, Belgium, Aug. 28, 2023 — Engineers at imec have integrated a pinned photodiode (PPD) structure in thin-film image sensors. According to the researchers, the addition of a pinned-photogate and a transfer gate into the thin-film image sensor architecture exploits the superior...
High-speed Raman Method Detects Micro- and Nanoplastics
CHANGCHUN, China, Aug. 25, 2023 — Raman spectroscopy is a useful tool for identifying microplastics — plastic particles smaller than 5 mm — although conventional point confocal Raman methods are limited to single-point detection, limiting the detection speed. A line-scan...
Amplitude-Only Modulator Targets Photonic Device Efficiency
EXETER, England, Aug. 21, 2023 — A thin-film, amplitude-only spatial light modulator made from phase-change-based material was developed by researchers at the University of Exeter and the Institute of Optics in Madrid. The device operates in reflection and modulates the amplitude...
Light-Activated Metal Particles Deliver Targeted Cancer Treatment
NOMI, Japan, Aug. 15, 2023 — A research group from Japan Advanced Institute of Science and Technology (JAIST) developed light-activatable, liquid metal (LM) nanoparticles for cancer diagnosis and treatment via photoimmunotherapy. The LM nanoparticles can target and destroy...
Mathematical Approach Deciphers Orbital Angular Momentum Information
GUANGZHOU, China, Aug. 14, 2023 — Researchers from Sun Yat-sen University and École Polytechnique Fédérale de Lausanne (EPFL) have made progress in the use of interferometry to decipher orbital angular momentum (OAM) spectrum information. Lightwaves with OAM...
IR Imager Merges AI, Thermal Physics to See in the Dark
WEST LAFAYETTE, Ind., Aug. 8, 2023 — Heat-Assisted Detection and Ranging (HADAR), a patent-pending thermal imaging technology from Purdue University, combines infrared (IR) imaging, machine learning, and thermal physics to visualize target objects in the dark as if it were broad...
Thin-film Silicon Photodetector Rivals III-V Counterparts
DAVIS, Calif., Aug. 7, 2023 — Researchers at the University of California, Davis (UC Davis) are developing a strategy to boost the light absorption of thin silicon films. The team demonstrated silicon-based photodetectors with light-trapping micro- and nano-surface structures,...
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May 2024
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