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Research & Technology News
3D Printing Offers Versatility in Optical Design
LIVERMORE, Calif., Nov. 30, 2020 — Researchers at Lawrence Livermore National Laboratory (LLNL) used multimaterial 3D printing to develop tailored gradient refractive index glass optics, delivering a result that could enable the manufacture of improved military specialized eyewear and virtual reality goggles. The technique has the potential to realize a variety of conventional and unconventional optical properties in a flat glass component, expanding the versatility in performance of environmentally stable glass
Researchers Develop Open-Source Modular Microscope
JENA, Germany, Nov. 30, 2020 — Researchers from the Leibniz Institute of Photonic Technology (Leibniz IPHT), Friedrich Schiller University, and Jena University Hospital developed a low-cost modular microscope that has the potential to greatly expand access to high-resolution...
Ultrafast Manufacturing of Perovskite Solar Modules
STANFORD, Calif., Nov. 27, 2020 — An ulftrafast method for manufacturing and assembling stable perovskite solar modules has been developed at Stanford University. The technique, according to study author Reinhold Dauskardt, resolves some of the most formidable barriers to...
Laser Method Makes Intense Mid-IR Pulsing More Practical
VIENNA, Nov. 24, 2020 — Research efforts from Vienna University of Technology, in collaboration with Harvard University, have led to the development of a laser method that increases the practicality and usability of mid-infrared pulsed lasing. Infrared lasers capable of...
Simulation Shows Possibility of Laser Scalpel with Curved Blade
TOMSK, Russia, Nov. 24, 2020 — Relying on a photonic hook, or a subwavelength self-bending structured light beam, an international team of researchers proposed the creation of a curved laser blade for a medical scalpel. Currently, there are laser scalpels in use that feature...
Observing Nonlinear Ionization Dynamics of Hot Dense Plasma
JENA, Germany, Nov. 23, 2020 — A team of researchers from the University of Jena has observed the successful formation and interaction of highly ionized krypton plasma, using femtosecond coherent ultraviolet light and a novel four-dimensional model. The research may ultimately...
VCSELs Employ Slow Light to Boost Speed
WASHINGTON, D.C., Nov. 20, 2020 — George Washington University (GWU) researchers have combined multiple transverse coupled cavities to develop a new vertical-cavity surface-emitting laser (VCSEL). The cavities in the laser system enhance the laser’s optical feedback...
Researchers Push Boundaries of High-Energy Laser Pulses
QUEBEC CITY, Nov. 20, 2020 — INRS researchers have pushed the boundaries of high-energy laser pulse propagation, with reliance on the observation of high-energy multidimensional solitary states (MDSS), allowing the direct generation of extremely short and intense laser pulses...
Tracking Photons in the Infrared
ISLAMABAD, Pakistan, Nov. 20, 2020 — Scientists from NUST MISIS Technological Initiative Center are developing a prototype of an infrared photon video detector. The camera, believed to be the first of its kind, will have applications in secure communications including satellite,...
Electronic, Light-Powered Chip Delivers Smarter AI
MELBOURNE, Australia, Nov. 19, 2020 — A chip that brings together imaging, processing, machine learning, and memory is enhancing artificial intelligence by imitating the way the human brain processes visual information. The device is inspired by optogenetics; the biotechnological tool...
Superresolution on the SPOT: Imaging Achieves Optical Sectioning
SYDNEY, Nov. 19, 2020 — A technique called SPOT (spectrum and polarization optical tomography) is providing researchers with a “street view” of lipid membranes surrounding cell organelles, thereby allowing insight into lipid dynamics. The work is the result of...
Metalens Microscopy Eliminates FOV Constraints
NANJING, China, Nov. 18, 2020 — Researchers from Nanjing University are using metalenses to enhance and shrink microscopes while maintaining resolution with a large field of view. In pursuit of a more compact integrated microscope system, Tao Li, professor of engineering and...
Multipass Spectroscopy Seeks Disease Biomarkers in Breath
WASHINGTON, D.C., Nov. 18, 2020 — An optical sensing method developed by a research team at the University of Warsaw relies on highly sensitive spectroscopic measurements to detect the presence or absence of formaldehyde in a person’s breath. The breath test is based on...
Extra Level Helps Convert Light Energy into Surface Waves on Graphene with Increased Efficiency
MOSCOW, Nov. 17, 2020 — Collaborating physicists from two Russian universities have successfully converted light energy into surface waves on graphene at nearly 90% efficiency. A so-called laser-like energy conversion process with collective resonances, and semiconductor...
Silicon Modulator Integrates Photonics and Electronics to Perform at 100 Gbit/s
SOUTHAMPTON, England, Nov. 17, 2020 — Researchers from the University of Southampton’s Optoelectronics Research Centre have demonstrated an all-silicon optical modulator at 100 Gbit/s and beyond, without the use of digital signal processing. The transmitter nearly doubles the...
All-optical Sensor Safely Detects Volatile Chemicals
PAMPLONA, Spain, Nov. 16, 2020 — University of Navarra scientists in Spain and partners from European photonics innovation hub ACTPHAST 4R are collaborating to develop technology capable of detecting lethal and highly explosive chemicals in industrial settings. The team is working...
Biologically Controlled Lasing Could Lead to Nanoscale Functionality
SINGAPORE, Nov. 16, 2020 — An international research team at Nanyang University has demonstrated the concept of a switchable microlaser controlled by the organic biomolecule DNA hybridization process. The study could lead to the development of programmable photonic devices at...
Researchers Claim New Record in Quantum Light Detection
BRISTOL, England, Nov. 12, 2020 — Researchers from the University of Bristol have claimed a new record for detecting squeezed light, using a newly developed balanced homodyne detector. The work could pave the way for higher-performance quantum computers and quantum communications....
Researchers Devise Method to Observe Atomic Interactions, Quantum Mechanics
PRINCETON, N.J., Nov. 12, 2020 — Researchers from Princeton University have formulated a method to control and measure atoms that are indistinguishable when observed with an optical lens. The work allows the researchers to observe atomic interactions and quantum mechanical...
From Contradictory Polymers, Scientists Develop Nanocoatings with Optimal Properties for Optics
KIEL, Germany, Nov. 11, 2020 — Materials scientists at Kiel University in Germany have synthesized nanoscale gradient copolymers, which possess distinct contradictory properties, to create material coatings that could be used to coat aircraft and glass fronts. In such...
Capturing the Invisible with Upconversion Technology
TEL AVIV, Israel, Nov. 10, 2020 — New technology from researchers at Tel Aviv University has the potential to help cameras recognize colors that are invisible to the human eye. The development has potential to advance applications in fields such as computer gaming, photography,...
Infrared Spectroscopy Technique Unveils Insights into Planet Formation
PROVIDENCE, R.I., Nov. 10, 2020 — Planetary scientists at Brown University have introduced an infrared spectroscopic method for studying olivine, a mineral that provides insights into the formation of the moon, Mars, and other planetary bodies. Informally dubbed “crossover...
Improving Microscope Resolution with Plasmonic Metasurfaces
FUKUOKA, Japan, Nov. 9, 2020 — While imaging cells using real-time fluorescence microscopy methods, professor Kaoru Tamada of Kyushu University’s Institute for Materials Chemistry and Engineering and her group found that they could improve resolution under a conventional...
Scientists Publish Blueprints for Cheaper Single-Molecule Microscope
SHEFFIELD, England, Nov. 9, 2020 — A team from the University of Sheffield has designed and built a single-molecule microscope for one-tenth the cost of commercially available models — and shared the build instructions to make the equipment more readily available. The...
Moth Eyes Inspire Antireflective Coating
TOKYO, Nov. 6, 2020 — Researchers at Tokyo University of Science have developed an antireflective coating inspired by the biostructures in moth eyes. Previous attempts at re-creating the antireflective structure, developed through years of evolution, yielded varying...
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July 2024
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