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Research & Technology News
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 structures of semiconductor materials in a nondestructive way. The imaging method is based on the operational principles of optical coherence tomography (OCT), an established imaging method in areas such as ophthalmology, doctoral
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...
Droplet Laser Mechanism May Increase Understanding of Interfacial Forces
SINGAPORE, Feb. 2, 2021 — Researchers from Nanyang Technological University (NTU) found an oscillation mechanism of water droplet resonators, in which the mechanism’s laser resonates along the droplet air interface in the vertical plane. This discovery could lead to a...
Capasso Group’s Largest Metalens to Date Demonstrates Potential in VR
CAMBRIDGE, Mass., Feb. 1, 2021 — Researchers led by Federico Capasso at the Harvard John A. Paulson School of Engineering and Applied Science (SEAS) have developed a 2-mm achromatic metalens capable of focusing RGB colors without aberrations. The researchers also developed a...
Holographic Display Improvements Enhance AR, VR
STANFORD, Calif., Jan. 29, 2021 — Stanford University researchers have developed an approach to improve the image quality and contrast of holographic displays. The technology, as a result, may help to improve near-eye displays for virtual and augmented reality applications. The...
Leica Microsystems, Imperial College London Launching Imaging Hub
LONDON, Jan. 29, 2021 — Leica Microsystems, a developer and manufacturer of microscopes and scientific instruments for the analysis of micro- and nanostructures, and Imperial College London are establishing a dedicated hub for optical imaging at Imperial. The Leica and...
Metamaterial Tiles Perform in Vast Temperature Range, Support Highly Sensitive Measurements
WASHINGTON, D.C., Jan. 29, 2021 — Metamaterial tiles are poised to improve the sensitivity of telescopes currently under development at Simons Observatory in Chile. A multi-institutional team created the tiles, which have been rigorously tested and incorporated into the receivers of...
Aliro Joins Center for Quantum Networks Industry Advisory Board
BOSTON, Jan. 28, 2021 — Aliro Quantum, a quantum network and computing platform spun out of Harvard’s NarangLab in 2019, has joined the Center for Quantum Networks (CQN) Industry Advisory Board. The company will advise CQN in pursuit of creating the first long-range...
Laser-based Method Derives Data from Disordered Media
VIENNA, Jan. 28, 2021 — Researchers from TU Wien and Utrecht University have developed a laser-dependent method for gathering data through disordered and complicated media, using a mathematical procedure. In contexts such as biomedicine, structures that are embedded in an...
Titanium Oxide Challenges Gold Standard Photoporation Method
TOYOHASHI, Japan, Jan. 27, 2021 — Researchers in the mechanical engineering department at Toyohashi University of Technology (TUT) have developed a low-cost photoporation method using titanium-oxide nanotubes. Photoporation is a technique that relies on focused light to perforate...
Four-wave Mixing Approach Generates Narrowband EUV Light with Laser
BERLIN, Jan. 26, 2021 — A method of modifying the spectral width of extreme ultraviolet light (EUV) has been developed by researchers at the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy. The scientists used a novel phase-matching scheme in four-wave...
Miniaturization of Optical Components Enables Atom Cooling
GAITHERSBURG, Md., Jan. 26, 2021 — National Institute of Standards and Technology (NIST) researchers miniaturized the optical components necessary for atom cooling, achieving a step toward employing the technology on microchips. The research holds implications for atomic clocks,...
Laser Signal Transmission Tames Atmospheric Distortion
PERTH, Australia, Jan. 25, 2021 — Researchers from the International Centre for Radio Astronomy Research (ICRAR) and the University of Western Australia (UWA) claimed a world record for what the team is calling the most stable transmission of a laser signal through the atmosphere....
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