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Research & Technology News
Compact IR Spectrometer Fits on a Chip
ZURICH, Oct. 24, 2019 — In an advance for smartphone spectroscopy, researchers at ETH Zurich have developed a chip about 2 cm2 in size that can be used with a smartphone to analyze infrared (IR) light in the same way a conventional spectrometer would. The researchers demonstrated an integrated single-waveguide Fourier transform spectrometer with an operational bandwidth of 500?nm in the near- and short-IR wavelengths. The prototype device, with a footprint of less than 10?mm2, exploits the electro-optic properties of...
Scientists Use Electrochemistry to Tune Nonlinear Optical Properties of Nanotubes
MOSCOW, Oct. 24, 2019 — An international team led by researchers from the Skolkovo Institute of Science and Technology (Skoltech) has shown that the nonlinear optical response of carbon nanotubes — specifically, saturable absorption — can be controlled by electrochemical...
Researchers Determine Quantum Light Source in 2D Material
VIENNA, Oct. 23, 2019 — Scientists at the Vienna University of Technology (TU Wien) have uncovered the source of a special type of quantum light created at certain points in the 2D material tungsten diselenide (WSe2) when it is supplied with energy. They found that this...
New Molecule Marker Enables ‘Unprecedented’ Study of Mitochondria
NAGOYA, Japan, Oct. 23, 2019 — A team at Nagoya University’s Institute of Transformative Bio-Molecules has developed a marker molecule that bypasses the problem of photobleaching in STED microscopy. It’s allowing an unprecedented view of live mitochondria, which could help...
Phototherapy Effective Treatment for Carbon Monoxide Poisoning in Rats
BOSTON, Oct. 23, 2019 — Researchers at Massachusetts General Hospital (MGH) recently developed a phototherapy strategy that was highly effective in removing carbon dioxide (CO) in rats and improving the animals’ health. “Whenever CO intoxication is associated...
3D Printer Dissipates Heat With UV Light, Stereolithography
EVANSTON, Ill., Oct. 22, 2019 — Northwestern University researchers have developed a stereolithographic 3D printer that can print an object the size of an adult human in just a couple of hours. Called HARP for high-area rapid printing, this printer uses a patent-pending version of...
New Technique Enhances Superresolution Microscopy
BIELEFELD, Germany, Oct. 22, 2019 — Researchers at Bielefeld University have demonstrated improvements in superresolution structured illumination microscopy (SR-SIM), demonstrating that the technique is possible in real time and at a very high imaging rate, which is enhancing...
NASA Precision Laser ICESat-2 Measures Heights of Rough Arctic Surface
LOMPOC, Calif., Oct. 22, 2019 — Four months after launch, the lidar laser aboard NASA’s Ice, Cloud, and Land Elevation Satellite-2 (ICESat-2), in conjunction with the Airborne Topographic Mapper (ATM) and Land Vegetation and Ice Sensor (LVIS) lasers aboard NASA’s Operation...
Entangled Photon Pairs Create Ultrastrong Correlations
GENEVA, Oct. 21, 2019 — Researchers at the University of Geneva (UNIGE), working with Tehran’s Institute for Research in Fundamental Sciences (IPM), have shown theoretically that a new, ultrastrong quantum correlation is formed when three pairs of entangled photons are...
New Oscillation Assistance Technique Enables Ultrafast Microlens Array Printing
SHENZHEN, China, Oct. 21, 2019 — Researchers from the Singapore University of Technology and Design (SUTD) and Southern University of Science and Technology (SUSTech) in China have proposed a fabrication technique that integrates oscillation-assisted digital light processing (DLP)...
Laser Technology Cuts Critical Blood Incubation Time
MELBOURNE, Australia, Oct. 21, 2019 — A new laser technology vastly improves pretransfusion testing, cutting blood incubation time from the current standard of five minutes to just 40 seconds. Developed by researchers at the Bioresource Processing Institute of Australia (BioPRIA),...
New Light-Activated Metal Compound Kills Cancer Energy Source
COVENTRY, England, Oct. 18, 2019 — A team led by University of Warwick researchers is using light to activate a cancer-killing compound that attacks a vital energy source in cancer cells. This technique could be used not only to treat cancer, but also to help reduce side effects of...
Parity-Time Symmetry Opens Up New Avenues for Controlling Light
ROSTOCK, Germany and TAMPERE, Finland, Oct. 18, 2019 — Researchers at Tampere University have experimentally demonstrated that studies in quantum photonics can be scaled up to encompass a broader spectrum of quantum mechanics than previously believed. The experiment made use of parity-time (PT)...
‘Quantum Paradox’ Experiment Could Enable More Accurate Sensors and Clocks
BRISBANE, Australia, Oct. 17, 2019 — An international research team will test Einstein’s twin paradox using quantum particles in a superposition state — an experiment that could lead to more accurate sensors and clocks. The twin paradox postulates that time can pass at different speeds...
Practice Makes Perfect: 3D Model Aids Surgical Outcomes
LOS ANGELES, Oct. 17, 2019 — Using a 3D virtual reality model to prepare for kidney tumor surgery could substantially improve the outcome of the procedure. A team led by UCLA found specifically that such preparation can result in reduced operating times, less blood loss during...
Mapping Unexplored Genome Region Could Boost Genetic Testing
AURORA, Colo., Oct. 17, 2019 — Using advanced imaging techniques, researchers have mapped a region of the human genome that was once uncharted. This could prompt new genetic testing, as that region gives rise to a variety of diseases. The team, led by researchers from the...
2019 Nobel Prize in Physics Awarded
STOCKHOLM, Oct. 16, 2019 — The 2019 Nobel Prize in physics recognizes three individuals for their contributions to understanding Earth’s place within the known universe. Half the prize goes to astrophysicist James Peebles for his “theoretical discoveries in...
New Lens Could Provide Thermal Imaging Capabilities in More Compact Camera
SALT LAKE CITY, Oct. 15, 2019 — University of Utah researchers have developed a new kind of flat optical lens that is much thinner and lighter than conventional camera lenses. While conventional lenses for smartphone cameras are a couple of millimeters thick, the ultrathin lens is...
New BPV System Flaunts More Power, Longer Life
BEIJING, Oct. 14, 2019 — A new biophotovoltaics (BPV) system developed by researchers at the Chinese Academy of Sciences’ Institute of Microbiology has proven more powerful than any similar system. It also touts the greatest longevity. The new system is based on a...
Graphene-Based Measurement Technique Boosts Optical Resolution
GÖTTINGEN, Germany, Oct. 11, 2019 — Researchers at the University of Göttingen have developed a new technique that exploits the unusual properties of graphene to optically measure extremely small distances — to the order of one ångström — for the first...
AI-Powered Robot Could Improve Productivity, Reduce Defects in Optics Manufacturing
SINGAPORE, Oct. 11, 2019 — A robotics technology startup from Nanyang Technological University, Singapore (NTU Singapore), has introduced a new robot that can pick up delicate optical lenses and mirrors with care and precision, just like a human hand. Named Archimedes, the...
Inverse, Mie Scattering Techniques Advance 3D Metamaterial Design
SEATTLE, Oct. 10, 2019 — Using an inverse design approach, a team led by researchers at the University of Washington designed and tested a 3D-printed metamaterial that can manipulate light with nanoscale precision. Though the researchers chose a spiral helix pattern for...
Photoacoustic Technology Could Revolutionize Cancer Surgery
WATERLOO, Ontario, Oct. 8, 2019 — Researchers at the University of Waterloo in Ontario, Canada, have developed photoacoustic technology that can precisely locate and distinguish all of a cancerous tumor during surgery. This could help ensure that healthy tissue remains intact while...
Nanolaser Proves Fully Functional Within Living Tissue
EVANSTON, Ill., Oct. 8, 2019 — Researchers at Northwestern University have created a nanolaser that can be used in living tissues without harming them. Developed in conjunction with a team from Columbia University, the nanolaser can be 50 nm to 150 nm thick, which allows it to...
Spectrometer Measures Effects of Photon Momentum in Strong-Field Ionization
FRANKFURT, Germany, Oct. 7, 2019 — Einstein received the Nobel Prize for explaining the photoelectric effect — that, simply put, a single atom is irradiated with light. Einstein believed that light consists of photons that transfer only quantized energy to the electron of an atom. If...
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