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Research & Technology News

Chirality and Nanotechnology Speed Up Light-Based Drug Screening
ANN ARBOR, Mich., March 2, 2021 — A team of international collaborators has introduced a drug-screening technique that relies on nanostructure chirality as its fundamental property. (Chirality is a quality that, for a physical object, means it cannot be superimposed on its mirror image; think “left hand/right hand.”) The new technique uses gold nanorods to twist light, and a red glow can indicate the failure of a medication aimed at treating diseases such as Type 2 diabetes and pancreatic
AI-Enabled Microscopy Decodes the Immunological Synapse
DAEJON, South Korea, March 1, 2021 — KAIST researchers have applied deep learning technology to 3D holographic microscopy, demonstrating the microscopy method’s potential for the practical study of cell interactions. The method holds implications for the study of cancer...
Optical Angular Momentum Shatters Data Ceiling
BERKELEY, Calif., March 1, 2021 — An optical antenna developed by researchers at the University of California, Berkeley, can, in principle, provide limitless bandwidth. The technology takes advantage of orbital angular momentum (OAM), a characteristic of light that enables...
AI-powered Diagnostic Imaging Tool Estimates Hemoglobin Levels
BENGALURU, India, Feb. 25, 2021 — A collaboration between SigTuple Technologies and the Indian Institute of Science demonstrated an AI-powered, imaging-based tool for the estimation of hemoglobin levels. The setup combines a microfluidic chip and an AI-enabled microscope designed...
ICLED-Powered Sensor Charts Course for Cost-Effective Methane Detection
WASHINGTON, D.C., Feb. 24, 2021 — Collaborating researchers from Princeton University and the U.S. Naval Research Laboratory demonstrated gas sensor technology capable of detecting very low concentrations of methane gas, at concentrations as low as 0.1 ppm (parts per million)....
Method Draws Near-Perfect Efficiency Out of Spin Hall Effect
POHANG, South Korea, Feb. 23, 2021 — POSTECH and KAIST researchers developed a method for achieving near-unity efficiency of the spin Hall effect of light (SHEL). The collaborators used an artificially designed metasurface capable of transmitting most light of one polarization —...
Technique Aids in Copper Additive Manufacturing
UPPSALA, Sweden, Feb. 23, 2021 — Uppsala University researchers, in collaboration with graphene materials company Graphmatech, demonstrated a method for lowering the reflectivity of copper powder. The work could lead to more densely printed parts through laser additive...
Waveguide Opens New Window to Solar Energy Generation
HOUSTON, Feb. 22, 2021 — An advancement to smart window technology incorporates luminescent solar concentrators (LSCs) into window or windowpane designs. A team from Rice University’s Brown School of Engineering designed its foot-square “windows” by...
Amorphous Silicon Optics Enter the Visible Range
POHANG, South Korea, Feb. 19, 2021 — Junsuk Rho, a professor in POSTECH’s mechanical and chemical engineering departments, has developed a transparent amorphous silicon capable of transmitting visible light. The silicon, with which the researchers were also able to effectively...
Tiny Pressure Sensor Measures Minute Changes Within the Body
HONG KONG, Feb. 19, 2021 — Researchers from The Hong Kong Polytechnic University developed a miniaturized, highly sensitive optical fiber sensor that could be used to measure small pressure changes within the body — changes as minute as 2 kilopascals (kPa). The sensor...
Graphene Enables Live Cell Imaging at the Nanoscale
DAEGU, South Korea, Feb. 18, 2021 — Researchers at the Daegu Gyeongbuk Institute of Technology (DGIST) have introduced a method for analyzing subcellular structures using graphene. The work holds implications for the research of biological processes such as the mechanisms of certain...
UV Imaging Method Peers into Ultrafast Semiconductor Structures
JENA, Germany, Feb. 18, 2021 — Researchers from the University of Jena have developed a method called coherence tomography with extreme ultraviolet light (XCT). The technique, which has applications in materials research and data processing, enables the study of the interior...
Light-Powered Robotic Arm Increases 3D-Printing Manipulability
EVANSTON, Ill., Feb. 15, 2021 — A research team at Northwestern University developed a method that uses light to improve the speed and precision of 3D printing. The method features a light-activated robotic arm paired with a liquid photopolymer. The system ensures free motion...
Novel Photonic Chip Bridges Digital and Analog
WASHINGTON, D.C., Feb. 15, 2021 — Researchers from George Washington University (GWU) and UCLA developed and demonstrated a photonic digital-to-analog converter without leaving the optical domain. The technology has the potential to advance next-generation data-processing hardware,...
Compact, Scalable Lidar Design Could Have Applications in Robotics, Health Care
SOUTHAMPTON, England, Feb. 12, 2021 — Researchers from the University of Southampton, in collaboration with a team from San Francisco-based nanotechnology company PointCloud Inc., developed a scalable 3D lidar imaging system that the collaborators said matches and exceeds the...
Optical Coating Simultaneously Reflects, Transmits Same Wavelength
ROCHESTER, N.Y., Feb. 12, 2021 — A multi-institutional team led by professor Chunlei Guo from the University of Rochester’s Institute of Optics has developed an optical coating capable of simultaneously reflecting and transmitting the same wavelength. The new class of optical...
Imaging Without Limit, on Demand
NEW YORK, Feb. 11, 2021 — A team at Columbia University has introduced a way to program a layered crystal in such a way that it is able to open doors to imaging capabilities beyond common limits, on demand. The technique exerts control over nanolight — light that is...
3D-Printing Method Enables Microscale Spectrometer
STUTTGART, Germany, Feb. 10, 2021 — Researchers from the University of Stuttgart have developed a microscale spectrometer that can be fabricated through femtosecond direct laser writing. The angle-insensitive 3D-printed miniature spectrometer has a direct separated spatial-spectral...
Scientists Follow the Dots to Quantum Optical Circuits
LOS ANGELES, Feb. 10, 2021 — Researchers at the University of Southern California (USC) developed a method that emits uniform single photons from precisely arranged quantum dots. The advancement benefits from an existing method for intentionally arranging quantum dots that USC...
Image Recovery Method Improves Compressive Sensing, Phase Retrieval
LIVERMORE, Calif., Feb. 8, 2021 — Research from Lawrence Livermore National Laboratory (LLNL) has yielded a method of compressive image recovery that is trained on patches of images, rather than full-size images. The method, called GPP (generative patch prior), is able to recover a...
Machine Learning-Enabled NIR Hyperspectral Imaging System IDs Hidden Tumors
TOKYO, Feb. 5, 2021 — Collaborating researchers from Tokyo University of Science, National Cancer Center Hospital East, and RIKEN Center for Advanced Photonics have developed a technology using near-infrared hyperspectral imaging (NIR-HIS) and machine learning that finds...
Collaborators Use Terahertz Waves to Probe Beyond 5G Communications
SUITA, Japan, Feb. 4, 2021 — Partners from Osaka University and Rohm Co. Ltd., a developer and manufacturer of optoelectronics and semiconductor devices, deployed 300-GHz-band terahertz waves, functioning as an information carrier, to enable wireless communications of 8K...
Metasurface Tech Allows for More Efficient Optical Storage
WEST LAFAYETTE, Ind., Feb. 4, 2021 — Researchers at Purdue University have developed a technology that aims to replace Morse code with colored “digital characters,” helping to modernize optical storage media. The advancement, the researchers said, will help with the...
LIBS, 2D Spectral Imaging Combine to Improve Isotopic Measurements
WASHINGTON, D.C., Feb. 3, 2021 — Pacific Northwest National Laboratory researchers have improved laser-induced breakdown spectroscopy (LIBS) measurements of hydrogen isotopes in what they characterized as “industrial important” alloys. In optimizing an ultrafast...
Light Source Offers Improved Evaluation of Quantum Materials
CHANGSHA, China, Feb. 3, 2021 — Researchers from the College of Advanced Interdisciplinary Studies at the National University of Defense Technology developed a vacuum ultraviolet (VUV) laser system for scanning photoemission microscopy. The 177-nm VUV system was developed with a...

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