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Research & Technology News
Wearable Sensor Could Increase Awareness of UV Exposure
POTSDAM, N.Y., Nov. 6, 2020 — A custom bio-ink developed by Clarkson University researchers could enable wearable sensors designed to increase the wearer’s awareness of UV exposure. Noting the prevalence of skin cancer and the fact that most exposure to UV radiation is intermittent and at varying levels, professor Silvana Andreescu of Clarkson’s Department of Chemistry and Biomolecular Science and her team set out to develop a technology capable of detecting and quantifying UV radiation exposure as it
Large-Area Organic Photodiodes Offer Cost-effective Alternative to Silicon Sensors
ATLANTA, Nov. 5, 2020 — A research team at Georgia Tech has demonstrated that large-area organic photodiodes, produced from solutions at low temperatures, can detect several hundred thousand photons every second. The process, the researchers said, is conceptually similar...
Light-Driven Quantum Network Promises Faster, Enhanced Communication
ROCHESTER, N.Y., Nov. 5, 2020 — Using magnetic and semiconducting materials, researchers at the University of Rochester and Cornell University designed a nanoscale node capable of using laser light to emit and accept photons to interact with other nodes. Compared to current...
Laser-Powered Nanomotors Follow Their Path
TOKYO, Nov. 4, 2020 — Researchers from the Institute of Industrial Science at the University of Tokyo have designed linear nanomotors that can be made to move in controlled directions by laser light. The technology has applications in microfluidics, including...
Camera Design Aims to Make Multispectral Imaging Cost-effective
ERLANGEN, Germany, Nov. 4, 2020 — Researchers from Friedrich-Alexander Universität Erlangen-Nürnberg (FAU) have incorporated three resolutions into a single camera using a cost-efficient process and construction. The intelligent device achieves high spatial, temporal, and...
Terahertz Quantum Cascade Laser Light Propogates Beyond Laboratory Walls
CAMBRIDGE, Mass., Nov. 4, 2020 — Researchers at MIT and the University of Waterloo (Canada) created a high-power quantum cascade laser (QCL) capable of generating terahertz radiation outside of a laboratory environment. The laser has applications for skin cancer diagnostics and...
Photonic Barcodes Pave the Way for Encryption, Biosensing
SINGAPORE, Nov. 3, 2020 — Bioresponsive barcodes, capable of detecting molecules in a single liquid droplet, generated radiative energy that successfully converted dynamic biomolecular information into trillions of distinctive photonic barcodes. Microdroplet radiative energy...
Materials Expand Volumetric 3D Printing
LIVERMORE, Calif., Nov. 2, 2020 — A new class of materials adapted by researchers at Lawrence Livermore National Laboratory (LLNL) enable nearly instant production through volumetric 3D printing and expanding the range of material properties achievable with the technique. The...
Nanostructure Allows Large Incidence Angles in Fiber Optics
ST. PETERSBURG, Russia, Nov. 2, 2020 — Researchers from ITMO, in collaboration with the Leibniz Institute of Photonic Technology and Australian National University, have resolved the fundamental problem of light coupling into optical fiber at incidence angles of over 70°. The...
Researchers Creep Closer to Stable Quantum Memory
ST. PETERSBURG, Russia, Nov. 2, 2020 — Researchers at ITMO have shown that individual atoms can be transformed into polaritons — quantum particles that are a mixture between matter and light, which are transmitted via optical fibers. The research may have applications in quantum...
Autonomous Robot Takes on COVID-19
CHAMPAIGN, Ill., Oct. 30, 2020 — A team at the Grainger College of Engineering at University of Illinois Urbana-Champaign’s Health Care Engineering Systems Center (HCESC) developed the UVBot, an autonomous robot built from easily accessible objects and designed to neutralize...
Light-Sheet Microscopy Method Improves Cancer Diagnostics
VIENNA, Oct. 30, 2020 — A microscopy technique developed by researchers at TU Wien (Austria) in collaboration with TU Munich could lead to more reliable cancer diagnostics. The technique allows a tumor to be analyzed after surgery in 3D without cutting the tumor into...
Microscopy Advancement Expands Camera-based 3D Imaging
BOSTON, Oct. 30, 2020 — Researchers at Boston University introduced a multifocus optical microscopy technique for simultaneously acquiring images at differing depths. The method can be added to existing camera-based microscopy techniques, such as fluorescent, phase...
Algae-Inspired Polymers May Reduce Night-Vision Cost
TSUKUBA, Japan, Oct. 29, 2020 — An infrared-transmitting polymer based on common low-cost materials may lead to low-cost night-vision lenses that retain focus while imaging at variable distances. The polymer, developed by researchers from the University of Tsukuba, keeps its shape...
Near-IR Light Powers Molecular Motor with Low-energy Photons Via Antenna
GRONINGEN, Netherlands, Oct. 29, 2020 — Chemists at the University of Groningen have designed a near-infrared light-powered rotary motor, the type that can be used to deliver autonomous motion to a system, or to ensure that a system responds to a prompt on command. The chemists...
Quantum Theorists Rise Beyond Decades-Old Laser Limitation
NATHAN, Australia, Oct. 28, 2020 — Quantum theorists from Griffith University and Macquarie University, both in Australia, used quantum mechanics to overturn an assertion about laser coherence that has been the common belief for 60 years. The research shows that it is possible to...
Optical Wiring Enables Larger Quantum Computers
ZURICH, Oct. 27, 2020 — Researchers at ETH Zurich have demonstrated a method for the delivery of multiple laser beams precisely to their intended locations, from within the physical architecture of a single chip. The method is stable enough to allow for delicate quantum...
3D Visualization Method Reveals Molecular Position, Orientation, Oscillations
ROCHESTER, N.Y., Oct. 26, 2020 — Researchers at the University of Rochester and the Fresnel Institute in France developed a method for visualizing molecules’ position and orientation in 3D, as well as their oscillations. The technique could allow for greater insights into the...
Habitable Exoplanets to Be Studied with Help of AI and Photonics
SYDNEY, Oct. 23, 2020 — Researchers from the University of Sydney developed a sensor capable of correcting the distortion of starlight caused by heat variations in Earth’s atmosphere. The sensor would allow ground-based telescopes to study habitable exoplanets. The...
Wearable Camera Devices Enable Human Motion Capture, Bare-hand Interactions
TOKYO, Oct. 23, 2020 — Researchers from Tokyo Institute of Technology, Carnegie Mellon University, the University of St. Andrews, and the University of New South Wales have developed a wrist-worn device that is able to estimate 3D hand poses for virtual reality...
Wearable Camera Enables Human Motion Capture
TOKYO, Oct. 23, 2020 — Researchers at Tokyo Institute of Technology and Carnegie Mellon University developed a human motion capture system called MonoEye, which consists of a single ultrawide fisheye camera mounted on the user’s chest. The system’s simplicity...
Image Scanning Microscopy Technique Extends Beyond Limits
WARSAW, Poland, Oct. 22, 2020 — A collaboration between researchers at the University of Warsaw and the Weizmann Institute of Science yielded a method of fluorescence microscopy that, in theory, has no resolution limit. In practice, the team demonstrated a fourfold improvement...
3D Ultrafast Camera Captures Light Traveling Through Air
PASADENA, Calif., Oct. 21, 2020 — An ultrafast 3D camera developed in the lab of Lihong Wang at Caltech is capable of capturing the movement of light in three dimensions. The camera records in stereo at 100 billion frames per second. The research builds upon previous endeavors by...
Light Stored and Transported in a Cloud of Atoms
MAINZ, Germany, Oct. 21, 2020 — Researchers at Johannes Gutenberg University Mainz (JGU) successfully transported light stored in a quantum memory over a distance of 1.2 mm. The technology, once refined, could have implications for quantum memory storage. To achieve high-level...
Single-cavity Laser Emits High-Power, Dual-Comb Femtosecond Pulses
ZÜRICH, Oct. 21, 2020 — Researchers at ETH Zurich have developed a method that uses a single laser cavity to create two high-powered optical frequency combs, emitting high-power femtosecond pulses. The advance supports potential future developments that move toward...
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