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RESEARCH & TECHNOLOGY NEWS
Microscopy Methods Combine to Detect Treatment-Resistant Cancer Cells 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 crucial to develop simple, reproducible methods to study the onset and progression of these cells in human cancer cell cultures. An international team from Johns Hopkins University and Italy’s Politecnico di Milano, Fondazione Istituto
OLEDs Could Be Solution to Electrically Driven, Organic Semi Lasers 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...
THz Generation Technique Could Transform Field of 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 Lower Mortality Due to 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 Inference 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...
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 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 Fluidics 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...
Precise Measuring Tool for Light Source Could Advance Chipmaking 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...
Super-Sensitive PAM Ensures Image Quality with Low-Power Light Source 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...
Micro-LEDs Heighten Color and Definition for Immersive Displays NAGOYA, Japan, Sept. 14, 2023 — High resolution and high definition are key to delivering a realistic visual experience in augmented reality (AR) and other immersive technologies. Inexpensive micro-LEDs that enable full-color imaging at high resolution could help immersive...
Optical Resonator Design Eliminates Loss 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...
LITE Spectroscopy Resists Light Sources with Phase Demodulation HARBIN, China, Sept. 12, 2023 — A team at Harbin Institute of Technology led by professor Yufei Ma introduced an approach to phase demodulation of heterodyne light-induced thermoelastic spectroscopy (H-LITES) that uses a Fabry-Pérot interferometer (FPI). Compared with...
Oak Ridge Researchers Use Air-Leak Detection System to Visualize 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 Compensate for Optical Loss 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 Saves Energy, 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...
Tomography Technique Images Thick Bio Samples at High Resolution CAMBRIDGE, Mass., Sept. 8, 2023 — The ability to image complex biological tissues is essential for many biological studies and clinical diagnostic applications. However, capturing detailed 3D images of thick biological samples is difficult, due to multiple light-scattering in the...
Computer Vision Enhanced Sensors Aid Mobility-Challenged Patients POHANG, South Korea, Sept. 5, 2023 — Researchers from Pohang University of Science and Technology (POSTECH) have developed optical sensor technology to aid patients with limited mobility during their rehabilitation. The sensor integrates computer vision technology to help track muscle...
Industrial Photocatalyst Harnesses the Visible Spectrum JOHANNESBURG, Sept. 4, 2023 — Photocatalysts show the potential to be used in energy generation and environmental detoxification applications. This is an intriguing quality, since reducing energy use in bulk industrial processes can create a trade-off between efficiency and...
Skin-Like Microfiber Grating Gauges Cardiovascular Wellness NANJING, China, Aug. 31, 2023 — According to the World Health Organization, 17.9 million people die annually due to cardiovascular diseases. Soft wearable devices are well suited for monitoring physiological signals from electrocardiogram, phonocardiogram, and pulse wave....
Electro-Optic Modulator Integrated on Single-Mode Optical Fiber ZHEJIANG, China, Aug. 30, 2023 — Electro-optic modulators (EOMs) are critical elements in the optical communication networks that control the amplitude, phase, and polarization of a light via external electric signals. Aiming to realize ultracompact and high-performance EOMs, most...
Quantum Light Source Generates Single Photons, Encodes Data 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...
Imec Applies Pinned Photodiode Structure to Thin-Film SWIR Imager 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...
Line-Scan Raman Spectroscopy 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...
Tomography Techniques Recover Scattered Light to Speed 3D Imaging WASHINGTON, D.C., Aug. 24, 2023 — Although 3D imaging techniques are useful for studying thick biological samples, the challenge to achieve both high-speed acquisition and high resolution of 3D images persists. Intensity diffraction tomography (IDT), a label-free phase tomography...
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