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Research & Technology News

Classical Optics Offers Solution to Non-line-of-sight Imaging
MADISON, Wis., Aug. 8, 2019 — University of Wisconsin-Madison researchers have demonstrated non-line-of-sight (NLOS) imaging by using a method that applies the same math that is used to interpret images taken with conventional line-of-sight (LOS) imaging systems. The new method resolves the challenge of imaging a hidden scene by reformulating the NLOS imaging problem as a wave diffraction issue and then using well-known mathematical transforms from other imaging systems to interpret the lightwaves and reconstruct an image...
Light Controls Electrical Properties in Quantum Materials
PHILADELPHIA, Aug. 7, 2019 — A new study from the University of Pennsylvania reports that Weyl semimetals, a class of quantum materials, have bulk quantum states whose electrical properties can be controlled using light. This work could contribute to a way to engineer and...
Scientists Image the Ultrafast Motion of a Rotating Molecule
HAMBURG, Germany, Aug. 6, 2019 — Scientists at the Center for Free-Electron Laser Science (CFEL) and the Max Born Institute (MBI) have used precisely tuned pulses of laser light to film the ultrafast rotation of a molecule. The resulting “molecular movie” tracks one and one-half...
Imager Could Help Autonomous Vehicles See Around Corners
STANFORD, Calif., Aug. 6, 2019 — An around-the-corner camera system built by engineers at Stanford University uses a wave-based image formation model to allow non-line-of-sight (NLOS) imaging. The system builds upon previous around-the-corner cameras developed by this team, but is...
Argonne’s Advanced Photon Source Gets Green Light for Upgrades
LEMONT, Ill., Aug. 5, 2019 — Argonne National Laboratory has received approval from the U.S. Department of Energy (DOE) for the next phase of the $815 million upgrade of the Advance Photon Source (APS). The Critical Decision 3 milestone approves the project’s final design for...
Natural-Scale Snail Robot Is Powered by Light
WARSAW, Poland, Aug. 5, 2019 — A soft snail robot, developed by a team at the University of Warsaw with colleagues from Xi'an Jiaotong-Liverpool University, is capable of mimicking the adhesive locomotion of snails and slugs on a natural scale. The bioinspired robot is made from...
Quantum Light Sources Realized Via Site-Selective Defect Engineering
MUNICH, Aug. 5, 2019 — Someday, when photons can be used to transmit information at the speed of light, quantum light sources, connected with quantum fiber optic cables and detectors, will be needed. An international team led by physicists at the Technical University of...
Terahertz Technology Is Heating Up
ZÜRICH, Aug. 5, 2019 — Researchers at ETH Zurich have reported the highest operating temperature of a quantum cascade laser, which eliminates a major barrier in the practical implementation of the technology. While not quite T-shirt temperature, the team from the Jérôme...
Quantum Science, Nanotechnology to Highlight SPIE Optics + Photonics 2019 in San Diego
Aug 1, 2019 — SPIE Optics + Photonics 2019, scheduled for Aug. 11-15 at the San Diego Convention Center in San Diego, Calif., is North America’s largest international and multidisciplinary optical science and technology meeting. Hosted by SPIE, the...
Prellis Biologics Receives $8.7M, Reports Tissue Printing Progress
SAN FRANCISCO, Aug. 2, 2019 — Prellis Biologics, developer of a holographic organ printing system, has received an $8.7 million investment led by Khosla Ventures. The investment is a Series A, and comes after Prellis announced major milestones in tissue engineering. The company...
Multiphoton Microscopy Reveals Lattice Network of Skin Fibers
KYOTO, Japan, Aug. 2, 2019 — Using multiphoton microscopy (MPM), researchers at Kyoto University showed that the collagen fibers in the skin are arranged in a mesh-like lattice and not in a clear geometric orientation as previously thought. They further found that the...
Sending Quantum Information Securely from Laser Light to a Quantum Dot
OSAKA, Japan, Aug. 1, 2019 — Scientists from Osaka University have used laser light to send quantum information to a quantum dot (QD) by altering the spin state of a single electron trapped on the QD. “This action allowed us to read the state of the electron after...
Ultrashort-Pulse Laser Could Solve Dilemma of Nuclear Waste Disposal
VILNIUS, Lithuania, Aug. 1, 2019 — Researchers in Lithuania have developed an ultrashort-pulse laser that could eradicate nuclear waste and decrease the decay period from tens of thousands of years to seconds, hours, or months, depending on the material, they said.
New Technique Retrieves Color Images from Scattered Light
DURHAM, N.C., July 30, 2019 — Engineers at Duke University have developed a method for extracting a color image from a single exposure of light scattered through a mostly opaque material. The new approach overcomes the limitations of conventional optical memory effect techniques...
Dynamically Tunable 'Smartlens' Can Shape Light for Various Functions
BARCELONA, July 30, 2019 — The integration of an adjustable-dynamic zoom lens in a thin cellphone, in a miniaturized microscope, or at the remote end of a medical endoscope requires complex lenses that can handle the full optical spectrum and be reshaped electrically within...
Nanoscale Photon Diode Could Further Next-Gen Computing Technologies
STANFORD, Calif., July 29, 2019 — Researchers at Stanford University are designing a way to make a photon diode, a device that allows light to flow in only one direction, small enough for consumer electronics. They have tested their design with computer simulations and calculations...
Terahertz Imaging System on a Chip Offers Speed and Portability
PRINCETON, N.J., July 29, 2019 — An imaging system developed at Princeton University uses lasers small enough to fit on a microchip, and emits and detects electromagnetic radiation at terahertz (THz) frequencies. The new system, which is based on a semiconductor design, uses a...
Sailors Use Augmented Reality to Train for Combat
ARLINGTON, Va., July 26, 2019 — An augmented reality (AR) environment is being tested as a training tool for sailors and marines who must train and remain proficient while at sea. The Tactically Reconfigurable Artificial Combat Enhanced Reality (TRACER) system consists of a...
Light-Activated Dynamic Looping Triggers Gene Expression
PHILADELPHIA, July 26, 2019 — Using a technique called light-activated dynamic looping, or LADL, scientists at the University of Pennsylvania are investigating the role that genome folding plays in gene expression. The team has demonstrated how LADL can be used for quickly...
Airborne Lidar Provides More Complete Picture of Atmospheric Gases
COLOGNE, Germany, July 24, 2019 — Researchers from Deutsches Zentrum für Luft- und Raumfahrt eV (DLR), Germany’s national center for aerospace, energy, and transportation research, have developed a laser-based system for airborne measurement of atmospheric gases. The...
Single-Layer OLED Design Could Lead to Printed Displays
MAINZ, Germany, July 23, 2019 — An efficient, stable OLED based on a single layer of a neat, thermally activated, delayed fluorescence emitter has been demonstrated by a research group at the Max Planck Institute for Polymer Research (MPI-P). The first prototype of the...
Quantum Interference Enables Constant-Time Quantum Information Processing
WARSAW, Poland, July 23, 2019 — Quantum interference can be used to process large data sets quickly and accurately, according to a study done by the University of Warsaw, in collaboration with the University of Oxford and NIST. The researchers showed that a simple quantum gate,...
Researchers Confirm Strong Magneto-Optical Resonance in Graphene
GENEVA, July 22, 2019 — The interaction between graphene and light suggests that graphene could be used to control infrared (IR) and terahertz (THz) waves. Researchers from the University of Geneva (UNIGE) and the University of Manchester have demonstrated an efficient way...
A Safer, More Efficient Fiber Laser from Doping with Nanoparticles
WASHINGTON, July 19, 2019 — Scientists at the U.S. Naval Research Laboratory (NRL) are using nanoparticles to build fiber lasers that are safer for the eyes and more efficient. The core of the laser’s silica fiber is doped with rare earth ions of holmium. With the aid of...
Data-Based Design Method for Metamaterials Uses Artificial Intelligence
POHANG, South Korea, July 19, 2019 — The process for designing metamaterials could be improved by using data-driven approaches based on deep learning, according to researchers at Pohang University of Science and Technology (POSTECH). The researchers used a deep-learning-assisted...

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