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devices News
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 environmental harm. Fossil fuels, for example, have helped humanity expand and innovate for hundreds of years. But their environmental toll and inevitable depletion create a need for a safer and more abundant resource, like solar power. Highly
Linear Waveguide Streamlines Directional Single-Photon Production
BARCELONA, Spain, July 31, 2023 — Researchers from the Institute of Optics of CSIC and the Institute of Photonic Sciences (ICFO, Spain) have developed and demonstrated an approach to generating single photons along well-defined directions. The advancement avoids the need for...
Perovskite Cells Meet Wearable Biosensor’s Power Demands
PASADENA, Calif., July 27, 2023 — Perovskite solar cells are providing a team at Caltech’s Heritage Medical Research Institute with an efficient power source for wearable sweat sensors that monitor a host of biomarkers associated with disease diagnostics and fitness levels....
Integrated, High-Speed QKD Broadens Reach of Quantum Security
WASHINGTON, D.C., June 15, 2023 — Quantum key distribution (QKD) provides long-term security for long-distance communications by generating encryption keys based on quantum mechanics. Quantum technology ensures a secure key exchange between sender and receiver. To industrialize and...
Metasurface Spectrometer Points to On-Chip Integration
EDINBURGH, Scotland, June 5, 2023 — Spectrometers typically use optical elements such as diffraction gratings and prisms to achieve the dispersion necessary to measure the properties of light over a specific portion of the spectrum. The use of free-space optical elements, along with...
Ultrasmall Silicon LED Enables High-Resolution Integrated Imaging
SINGAPORE, May 22, 2023 — Researchers at the Singapore-MIT Alliance for Research and Technology (SMART) developed a CMOS-based silicon LED that, though smaller than a wavelength, emits light at an intensity comparable to much larger silicon LEDs. In a separate study, the...
Photoswitchable Materials Streamline Thermal Regulation
SANTIAGO DE COMPOSTELA, Spain, May 12, 2023 — The design and development of functional materials with tunable thermal conductivity — for example, to ensure the thermal dissipation in microelectronics devices — is necessary to prevent such devices from overheating. The ability to...
Paper-Based Test Scans for Multiple Biomarkers in Human Serum
LOS ANGELES, May 11, 2023 — Researchers led by UCLA professor Aydogan Ozcan developed a deep learning-enabled biosensor for multiplexed, point-of-care (POC) testing of disease biomarkers. POC biosensors provide remote and resource-limited communities with an economical,...
Wearable Microscopes Image Transmission of Pain Signals
LA JOLLA, Calif., April 3, 2023 — Researchers at the Salk Institute for Biological Studies have developed wearable microscopes and an implantable microprism that together aim to help scientists uncover the role that the spinal cord plays in relaying pain signals at the cellular...
Machine Learning Enhances Light-Field Imaging-Based Method
NEW YORK, March 28, 2023 — Researchers from The Rockefeller University have developed an imaging technique that could allow scientists to penetrate the depth and breadth of the cortical areas of the brain at peak resolution, scale, and speed. The technology, called MesoLF, is...
iPronics Completes First Shipments of Programmable PICs
VALENCIA, Spain, March 27, 2023 — Photonic computing company iPronics said it has delivered initial shipments of its programmable photonic microchips. The company, a 2019 spinout of Universitat Politècnica de València, said it completed deliveries of the plug-and-play...
Chip-Scale Spectrometer Points to Portable Instrumentation
HONG KONG, March 24, 2023 — Scientists at the Chinese University of Hong Kong have developed an approach to chip-scale spectrometry that offers both high spectral resolution and optical bandwidth. The researchers designed and developed an integrated spectrometer by tailoring...
Researchers Shrink Dimensions in Which Light Can Be Confined
SOUTHAMPTON, England, March 16, 2023 — The degree to which light can be confined determines the intensity and precision of light-based devices. It also sets the limits within which nanoparticles can be observed. For these reasons, finding ways to confine and control light in ever smaller...
AI-Aided Spectroscopy Assesses Burn Severity to Improve Recoveries
WASHINGTON, D.C., Feb. 17, 2023 — Researchers at Stony Brook University developed a neural network model that uses terahertz time-domain spectroscopy (THz-TDS) to evaluate burns and predict healing outcomes. The latest work builds on a previous advancement in which the researchers...
Researchers Test Imaging Modalities For Accessing Tooth Decay
SAN FRANCISCO, Jan. 19, 2023 — To improve dental health, researchers at the University of California, San Francisco evaluated optical imaging techniques for their efficacy in the identification of secondary tooth decay, which can occur even if a tooth has already been filled. The...
Acoustic Imaging Aims to Reduce Tissue Damage from Radiation Therapy
ANN ARBOR, Mich., Jan. 18, 2023 — The need to deliver the intended, optimal radiation dose to a tumor while sparing the healthy tissue surrounding the cancer is critical to cancer treatments using radiation therapy. Now, with a real-time, 3D imaging system developed at the...
Modified Raman Microscopy Technique Reveals Molecular Orientation Patterns
GAITHERSBURG, Md., Dec. 27, 2022 — Researchers at the National Institute of Standards and Technology (NIST) have developed a way to measure the 3D orientation of molecules within a material made of polymers. The measurement technique — based on broadband coherent anti-Stokes...
Tunable Metasurface Senses Multidimensional Light-Field Information
BEIJING, Nov. 21, 2022 — Researchers led by professor Yuanmu Yang from the State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University have developed a near-infrared spectropolarimeter based on an...
Miniaturized Spectrometer Proves Fit for Compact Electronics
ST. GALLEN, Switzerland, Nov. 9, 2022 — Scientists in Europe have collaborated to develop an ultracompact spectrometer design that offers large bandwidth, moderate spectral resolution, and a spectral sensitivity in the infrared (IR) region. According to the team, its design for a...
Optics Accelerates Deep Learning Computations on Smart Devices
CAMBRIDGE, Mass., Oct. 26, 2022 — MIT researchers have created a method for computing directly on smart home devices that drastically reduced the latency that may cause such devices to be delayed in offering a response to a command or an answer to a question. One reason for this...
Hollow-Core Fibers Enable Precise Positioning in Space
WEßLING, Germany, Aug. 18, 2022 — A consortium led by researchers at the Fraunhofer Institute for Reliability and Microintegration (Fraunhofer IZM) is using hollow-core optical fibers to develop a reliable method to transmit light to make gyroscopes less susceptible to interference...
Rockley Signs Supply Agreement for Wrist-Worn Biomarker Tech
OXFORD, England, Aug. 10, 2022 — Rockley Photonics has signed a supply agreement and received the first commercial purchase order for its noninvasive biomarker sensing wristbands. The unnamed customer, identified by Rockley as a “global health care technology provider,”...
Interferometry Provides Basis for LWIR Remote Thermal Imaging
PERTH, Australia, June 9, 2022 — Prototypes of microelectromechanical systems (MEMS)-based, fixed-cavity Fabry-Pérot interferometers (FPIs), developed by researchers at the University of Western Australia, could be used to enable lightweight, field-portable spectroscopic...
Lithography Technique Precisely Controls Nanodevice Feature Sizes
HONG KONG, April 19, 2022 — Researchers at the University of Hong Kong (HKU) developed an approach for nanodevice fabrication to increase the efficiency of building nanostructures that require spatially different dimensions. The researchers devised and demonstrated a...
Metasurface Helps to Conquer Counterfeiting
POHANG, South Korea, March 25, 2022 — Researchers at Pohang University of Science and Technology (POSTECH) have developed an anticounterfeiting and tampering prevention system using ultraviolet (UV) and visible light. The technology uses metasurfaces — it in fact resolves a...
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April 2024
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