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Research & Technology News

Enhanced Photosensors Exploit Wavelength-Shifting Properties of Nanoparticles
LEMONT, Ill., Sept. 14, 2018 — Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are using nanotechnology to improve the ability of photodetectors to handle the UV radiation produced in high-energy physics experiments. Physicists explore basic properties of neutrinos and dark matter through interactions with noble elements. In response to interactions with high-energy particles, these elements emit scintillation photons in the UV range. However, most available detectors have poor
Optical Sensors Based on WGM Could Be Used for IoT
ST. LOUIS, Mo., Sept. 13, 2018 — Researchers at Washington University in St. Louis have used a wireless photonic sensor with a whispering-gallery-mode (WGM) architecture to record environmental data. The photonic sensors recorded air temperature in real time, achieving results...
Optical Trapping, Raman Spectroscopy Measure Live-cell Interaction
NOTTINGHAM, England, and GLASGOW, Scotland, Sept. 13, 2018 — Using multiple laser beams and Raman spectroscopy, researchers at the Universities of Nottingham and Glasgow have designed and built a new instrument that could help scientists learn more about how infections take hold and how antibiotic-resistant...
Natural Color-Generating Mechanism May Inspire Biophotonic Apps
SINGAPORE and FRIBOURG, Switzerland, Sept. 12, 2018 — Researchers from Yale-NUS College and the University of Fribourg have discovered a color-generation mechanism in nature, which, if harnessed, could potentially be used to create screen displays that project the same image when viewed from any angle,...
Single Laser Source Generates Six Entangled Waves, Setting a New Record
SÃO PAULO, Sept. 11, 2018 — Scientists at the University of São Paulo's Physics Institute (IFUSP) have demonstrated the entanglement of six light waves generated by an optical parametric oscillator (OPO). Entanglement — a phenomenon that occurs when groups of...
Digital Fabrication of Holograms Could Eliminate Bulky Optics in 3D Displays
KOGANEI, Japan, Sept. 11, 2018 — Through a combination of holography and light-field display, researchers at the National Institute of Information and Communications Technology (NICT) hope to eliminate visual disturbances in augmented and virtual reality (AR/VR) and other 3D...
Robot Equipped With 3D Camera Makes Swift Work of IKEA Chair Assembly
SINGAPORE, Sept. 11, 2018 — Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a robot that can independently assemble the individual components of an IKEA chair without interruption in less than 10 min. The robot uses an Ensenso N35 3D...
Photoelectrode Traps, Converts Light Efficiently
SAPPORO, Japan, Sept. 10, 2018 — A photoelectrode developed by a team at Hokkaido University harvests visible light across a wide spectral range using a semiconductor titanium dioxide (TiO2) layer sandwiched between gold film (Au film) and gold nanoparticles (Au NPs). A key feature...
Scientists Find Way to Overcome Quantum Limit in GWDs
COPENHAGEN, Sept. 7, 2018 — Researchers at the Neils Bohr Institute (NBI) at the University of Copenhagen are developing equipment that will enable gravitational wave detectors (GWDs) to monitor and carry out measurements in an eight times bigger volume of space than what is...
Flexible OLEDs to Provide Customizable Lighting Functionality in Textiles
DRESDEN, Germany, Sept. 7, 2018 — Scientists at the Fraunhofer Institute for Organic Electronics, Electron Beam and Plasma Technology (Fraunhofer FEP) have made advances in OLED elements for integrating into textiles. The OLEDs can not only light in color, but can also be designed...
Quantum Gate Teleportation Could Be Used in Modular Approach to Quantum Architecture
NEW HAVEN, Conn., Sept. 6, 2018 — Yale University researchers have demonstrated the on-demand teleportation of a quantum gate between two qubits, an advance that could be useful in a modular approach to building quantum computers. Quantum teleportation is the nonphysical transport...
SWAP Gate Could Help in Scaling Quantum Computers
REHOVOT, Israel, Sept. 5, 2018 — The quantum optics lab at the Weizmann Institute of Science has created a logic gate in which a photon and an atom can automatically exchange the information they carry. This advance could help in scaling up quantum computers for practical use....
Imaging Techniques Improve Visualization of Vertebrate Specimens
LAWRENCE, Kan., Sept. 5, 2018 — Imaging techniques pioneered by researchers at the University of Kansas (KU) could enable scientists around the world to better capture complex morphological features of vertebrates for comparative anatomical studies. Cleared-and-stained head of a...
Optically Generated Tilted Pulses Can Be Directed Spatially and Temporally
KONSTANZ, Germany, Sept. 4, 2018 — Physicists at the University of Konstanz have demonstrated the ability to spatially and temporally direct and control ultrashort electron pulses by using the light cycles of lasers. The new technique not only shortens pulse duration, but also allows...
3D-Printed Photodetectors Could Be Basis for 'Bionic Eye'
MINNEAPOLIS, Minn., Aug. 30, 2018 — A University of Minnesota research team has 3D-printed an array of light receptors on a hemispherical surface, in a first step toward creating a “bionic eye” that could someday help blind people see or sighted people see better. Using...
Time-Resolved Technique Could Provide High Resolution for THz Imaging
BRIGHTON, England, Aug. 30, 2018 — Using a single-pixel camera operating at THz frequencies, researchers at the University of Sussex have discovered a way to capture with a high degree of accuracy not just the shape of an object, but also its chemical composition. The technique uses...
5D HSI Measures Shape and Spectral Characteristics as a Function of Time
JENA, Germany, Aug. 29, 2018 — A 5D hyperspectral imaging system (HSI) — so-called because it captures multiple wavelengths of light plus spatial coordinates as a function of time — has been developed by a team at Friedrich Schiller University Jena and the Fraunhofer...
OPI Accelerator Helps Speed the Path From Startup to Successful Business
ROCHESTER, N.Y., Aug. 28, 2018 — Luminate — the only international startup accelerator focused on next-generation optics, photonics, and imaging — is now accepting applications for its 2019 OPI accelerator program. The deadline for applications is September 24. If you...
New Model Metamaterial Improves Accuracy of Nanosensor Cloaking
TURIN, Italy, and MOSCOW, Aug. 28, 2018 — A new metamaterial could improve the accuracy of nanosensors in optics and biomedicine by cloaking them from external radiation. Researchers from Politecnico di Torino and NUST MISIS modeled and prototyped a metamaterial for making nanoscale objects...
Team Demonstrates Multiple DOF, Solid-State Quantum Memory
HEFEI, China, Aug. 28, 2018 — A team from the University of Science and Technology of China has developed multi-degree-of-freedom (DOF) multiplexed solid-state quantum memory and has demonstrated photon pulse operation functions with time and frequency DOFs. The researchers...
Hand-Held Imager Could Broaden Use of AOSLO
DURHAM, N.C., Aug. 27, 2018 — Researchers at Duke University have miniaturized adaptive optics (AO) technology to develop a portable hand-held ophthalmology device that can image individual photoreceptors in the eye at high resolution. The new instrument could allow improved...
Bowtie Photonic Crystal Allows Extreme Light Concentration with Low Loss
NASHVILLE, Tenn., Aug. 27, 2018 — A new nanostructure that is part bowtie and part funnel has been shown to focus and conduct light powerfully and nearly indefinitely, as measured by a scanning near-field optical microscope. The bow-tie photonic structure, developed by a team at...
International Team Engineers Silicon Chip for Quantum Information Processing
BRISTOL, England, Aug. 24, 2018 — An international team led by the University of Bristol has demonstrated the ability to control two qubits of information within a single silicon chip. This programmable two-qubit quantum processor could be used as a tool to perform quantum...
Light from Ancient Quasars Helps Confirm Quantum Mechanics of Entanglement
CAMBRIDGE, Mass., Aug. 23, 2018 — An international research team has extended the case for quantum entanglement, further limiting the possibility that a freedom-of-choice loophole might reveal that such correlations could have a classical explanation. The team, comprising...
Computational Imaging Enables a Camera to Use a Window as a Lens
SALT LAKE CITY, Utah, Aug. 22, 2018 — An engineering team from the University of Utah has found a way to use a regular pane of glass or any see-through window as a camera lens. The technique uses a computer algorithm to identify and decode the image, instead of a lens. Professor Rajesh...

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