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Research & Technology News

Microfluidics Device 3D-Printing Innovates Biomedical Fabrication
PASADENA, Calif., April 14, 2022 — Researchers at the University of Southern California (USC) developed a printing technique that could provide the precision required to successfully 3D-print microfluidic channels on chips at a scale not previously seen. The technique is called in situ transfer vat photopolymerization (IsT-VPP). The use of microfluidic devices — compact testing tools composed of tiny channels carved on a chip — can lower the cost of drug development and aid in medical diagnostics. The
Protein-induced Apoptosis in Cancer Cells Protects Healthy Tissue
OKAYAMA, Japan, April 13, 2022 — A research group at Okayama University is working on a way to prevent healthy cells from incurring damage during cancer treatment. The group is developing a light-induced method for triggering cell apoptosis in targeted cells only, using a...
Deep-UV Aluminum Gallium Nitride Laser Enables Diverse Applications
ITHACA, N.Y., April 12, 2022 — Researchers at Cornell University demonstrated an optically pumped, aluminum gallium nitride (AlGaN)-based multimode laser that emits deep-ultraviolet (DUV) light at low modal linewidths and at wavelengths under 300 nm. DUV emitters have use in...
Microscope Marks Head-Mounted Advance Toward Treating Neurological Disorders
WASHINGTON, D.C., April 8, 2022 — Researchers from the University of Colorado Boulder, the University of Colorado Anschutz Medical Campus, and Arizona State University have developed a head-mounted, lightweight, fluorescence microscope that provides full 3D imaging and enhanced...
3D Printing Could Disrupt Status Quo of Optical Fiber Fabrication
HARBIN, China, April 7, 2022 — Researchers at Harbin Engineering University and the University of New South Wales demonstrated the additive manufacture of silica optical fiber preforms. According to the research team, additive manufacturing, also known as 3D printing, could...
Scaling Law Enables Optical Control of Material Properties
KYOTO, Japan, April 7, 2022 — Researchers from Kyoto University and Kurume Institute of Technology have discovered a scaling law that determines high-order harmonic generation in the solid-layered perovskite material, Ca2RuO4. The work could enable scientists to control material...
Microlaser Achieves Optical Gain Via Spin-Helix Lasing
WARSAW, Poland, April 6, 2022 — A microlaser that is tunable in the range of 40 nm has been developed by researchers at the University of Warsaw, the Military University of Technology in Warsaw, and the University of Southampton. The broadly tunable laser emits two circularly...
Photon Source Opens Door to Practical Quantum Key Distribution
SYDNEY, April 5, 2022 — Researchers have developed a new high-purity single-photon source that can operate at room temperature. The source marks an important step toward practical applications of quantum technology, such as highly secure communication based on quantum key...
Metasurface Tech Enables Polarization Imaging on Almost Any Camera
CAMBRIDGE, Mass., April 4, 2022 — Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed a metasurface attachment that can turn almost any camera or imaging system, even off-the-shelf systems, into polarization cameras. The...
Nonlinear Response in Diamond Defects Could Enable Nanosensors
TSUKUBA, Japan, April 1, 2022 — A nonlinear optical approach to temperature sensing, discovered by scientists at the University of Tsukuba and the Japan Advanced Institute of Science and Technology (JAIST), could expedite development of nanosize sensors for applications that...
Integrated Photonics-Based Memristor Could Link AI, Quantum Computing
VIENNA, March 31, 2022 — By developing a photonic quantum memristor, researchers at the University of Vienna, the National Research Council (CNR), and the Polytechnic University of Milan may have found a way to link artificial intelligence (AI) and quantum computing. The...
Photonic Correlator Processes Radio-Frequency Signals, Outperforms Digital Methods
WASHINGTON, D.C., March 31, 2022 — A team at the University of Grenoble Alpes-CNRS has created a radio-frequency (RF) correlator, based on a photonic platform, that is suitable for analog wideband RF signal processing and that enables the real-time calculation of RF signal...
Modulator Expands 3D-Imaging Possibilities Using Standard Cameras
STANFORD, Calif., March 30, 2022 — A team at Stanford University has developed a device that that enables lidar functionality with ordinary CMOS image sensors. The device makes it possible to obtain 3D data from technology that, on its own, is capable of seeing only in two...
Researchers Fool Autonomous Vehicles to Pinpoint Security Risks
DURHAM, N.C., March 30, 2022 — Tests showed that an attack strategy demonstrated by Duke University researchers fooled industry-standard autonomous vehicle sensors into believing nearby objects are closer and/or farther than they appear, without being detected. The work suggests...
Silicon Carbide Light Source Exhibits Expansive Wavelength Range
PITTSBURGH, March 29, 2022 — A research team from Carnegie Mellon University has demonstrated a chip-scale broadband light source in silicon carbide. The tiny optical devices are less than 0.1 mm in size and based on optical comb technology. Such broadband light sources are...
Laser Speckle Method Captures Blood Flow in Microvasculature
SINGAPORE, March 28, 2022 — Researchers at the National University of Singapore developed a confocal laser speckle autocorrelation method to image dynamic flow in microvasculature. The technique is label-free and enables real-time and quantitative imaging of blood flow on the...
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...
Europium Molecular Crystals Clear a Path for Quantum Storage
PARIS, March 24, 2022 — Europium molecular crystals, a rare-earth-based material, could provide a robust platform for photonic quantum technologies. The work of a research team from the National Centre for Scientific Research (CNRS), the University of Strasbourg, Chimie...
Fluorescent Dye-Based Device Could Help Prevent Tooth Decay
SEATTLE, March 24, 2022 — An optical device in development at the University of Washington (UW) could help prevent tooth decay by identifying at-risk teeth before cavities have had a chance to start to develop. The prototype, called O-pH, uses a low-power light system and an...
Tunable Nanophotonic Interface Simplifies PIC Integration
CHICAGO, March 22, 2022 — A chiral nanophotonic interface developed by a research team at the University of Chicago could make photonic integrated circuits (PICs) easier to integrate into mapping systems, biosensors, and other technologies. The interface provides a way for...
Laser-Scanning Microscopy Method Achieves Rapid 3D Imaging
SENDAI, Japan, March 21, 2022 — A technique developed by researchers from Tohoku University and Osaka University rapidly takes 3D images without moving the observation plane, which is typically necessary in conventional laser-scanning microscopes. A major issue when using...
Lensless Camera Captures Cellular-Level Details in 3D
HOUSTON, March 18, 2022 — Rice University researchers have tested a tiny lensless microscope called Bio-FlatScope, capable of producing high levels of detail in living samples. The team imaged plants, hydra, and, to a limited extent, a human. A previous iteration of the...
Paper-Based Photosensor Simplifies Hydrogen Peroxide Detection
BENGALURU, India, March 18, 2022 — Researchers at the Indian Institute of Science (IISc) have developed an inexpensive sensor made with a photoluminescent paper that enables the visual detection of even miniscule amounts of hydrogen peroxide (H2O2). The chemical is found in diverse...
Spectroscopy Method Measures Both Terahertz, Raman Fingerprint Regions
TOKYO, March 17, 2022 — A Raman spectroscopy technique called dual-detection impulsive vibrational spectroscopy (DIVS) by its developers at the University of Tokyo allows two types of vibrational signals to be measured concurrently. DIVS enables broadband detection over...
Chip-Based Lidar Packs the Pixels for Use in Vehicles, More
BERKELEY, Calif., March 16, 2022 — A research team led by professor Ming Wu at the University of California, Berkeley is developing a high-resolution, chip-based lidar system that could be used in a range of devices, from autonomous cars to smartphones. The researchers used a focal...

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