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Materials, Coatings News
Photonics News: Week in Brief: 07/09/21
Jul 9, 2021 — FREIBURG IM BREISGAU, Germany — Fraunhofer Energy Research opened a showroom called ENIQ: Energy Intelligence by Fraunhofer, on the EUREF-Campus in Berlin. The facility functions as an interactive educational platform. It has two rooms for workshops, three offices, a large open-air event area, and auditorium with stair seating and an exhibition area. The showroom contains digital demonstrators and technology exhibits that regularly change to flank the on-site events and provide a
Selecting Color Filter Glass for Life Science Applications
Jul 1, 2021 — Optical filters are critical for selectively passing and blocking specific wavelengths in life science applications ranging from monitoring oxygen and pH levels in blood to fluorescence detection, to the polymerase chain reaction (PCR) tests used to...
Thin-Film GaAs Photovoltaic Cell Achieves Record Efficiency
FREIBURG IM BREISGAU, Germany, June 30, 2021 — Researchers at Fraunhofer Institute for Solar Energy Systems ISE have achieved a conversion efficiency of 68.9% for a III-V semiconductor photovoltaic cell based on gallium arsenide (GaAs) exposed to laser light of 858 nm. The mark is reportedly the...
Schunk Group Acquires Majority Stake in Pulsar Photonics
LAUFFEN AM NECKAR, Germany, June 25, 2021 — The Schunk Group, a technology company that supplies products made of high-tech materials, as well as machines and systems, will acquire a majority stake in Pulsar Photonics. Based in Herzogenrath near Aachen, Pulsar Photonics is focused on laser...
Daily-Use Light Source Converts IR to Blue Light for Sterilization, Disinfection
OSAKA, Japan, June 25, 2021 — A microcavity device that converts infrared (IR) radiation into blue light could enable safe, daily use of deep ultraviolet (DUV) light for disinfection and sterilization. The device was developed by a research group from Osaka University and was...
Molecular Coating Outperforms Traditional Material to Improve Solar Cell Performance
THUWAL, Saudi Arabia, June 22, 2021 — Experiments showed that a coating just one molecule thick can significantly enhance the performance of an organic photovoltaic cell (OPV). In performance, the coating outperformed PEDOT:PSS, which is the leading material used for the same task. In...
Thin-Film Design Delivers Night-Vision Prototype Without the Bulk
CANBERRA, Australia, June 21, 2021 — An international team of researchers has developed a technology that allows people to see clearly in the dark. The technology is based on nanoscale crystals and has potential applications in defense and safety applications, such as night driving....
Nondestructive Method Uses Lasers to Characterize Nanomaterials’ Properties
HAMBURG, Germany, June 18, 2021 — A noncontact measurement method that uses laser ultrasound so that the detailed elastic properties of nanostructured materials can be characterized will help engineers and scientists decide whether nanomaterials can be processed into certain...
Improving Photoluminescence in Silicon Boosts PIC Performance
MOSCOW, June 17, 2021 — Researchers in Russia have increased photoluminescence (PL) in silicon using germanium quantum dots and a specially designed silicon photonic crystal. Developed by scientists from Skolkovo Institute of Science and Technology (Skoltech), Institute...
Light-Based Method Creates 2D Polymer, Expedites Quest for New 2D Materials
LINKÖPING, Sweden, June 16, 2021 — A method that uses light to manufacture 2D polymers that have the thickness of a single molecule could create a path for the development of ultrathin, functional 2D materials with highly defined and regular crystalline structures. The new method was...
Method Makes Generic Polymers Luminescent
SAPPORO, Japan, June 15, 2021 — A Hokkaido University research team has developed a method to give luminescent properties to generic polymers, potentially transforming existing commodity polymers into more valuable functional materials. The technique is based on mechanical force,...
Light-Responsive Hydrogels Safely Deliver Targeted Therapies
COLLEGE STATION, Texas, June 14, 2021 — A research team at Texas A&M University is using nanomaterials that absorb near-infrared (NIR) light to develop and manipulate light-responsive hydrogels. The NIR light to which the nanomaterials respond in the research enables therapeutic...
Optical Element Could Enable Pocket Telescope
OTTAWA, Ontario, June 10, 2021 — A novel optical element will one day enable composite lenses and telescopes in a form factor small enough to fit in a pocket. The device, developed by Orad Reshef and Jeff Lundeen of the University of Ottawa, is called a spaceplate. Its function,...
Clinical, Commercial Applications Loom for Ultracompact On-Chip Spectrometer
NEW HAVEN, Conn., June 10, 2021 — An ultracompact, mid-infrared spectrometer that uses a 10-nm thick, single tunable black phosphorus photodetector shows promise as an on-chip device for sensing, surveillance, and spectral imaging. The device is the result of a collaboration among...
Extremely Bright Quantum Emitter Self-Heals
HSINCHU, Taiwan, June 10, 2021 — A new approach to synthesizing quantum dots has significantly increased their use value, according to members of an international research collaboration. The method, called spray-synthesis, was developed jointly by professor Hao-Wu Lin and associate...
Low-Cost Synthetic Diamond Fabrication Could Step Up Quantum Tech
SYDNEY, June 8, 2021 — Using a thin tungsten layer as a restraining, conductive, removable hard mask, researchers at the University of Technology Sydney (UTS) developed a method for the fabrication of synthetic diamond. The developed material can be used for the photonic...
Metamaterial Boosts Infrared Spectroscopy’s Sensitivity
DAEJON, South Korea, June 4, 2021 — A metamaterial absorber developed by researchers from the Korea Institute of Machinery and Materials (KIMM) under the Ministry of Science and ICT and UNIST is able to significantly enhance the detection of harmful substances or biomolecules. The...
Metamaterial Lets Light-Sheet Microscopes See in Superresolution
SAN DIEGO, June 4, 2021 — A hyperbolic metamaterial developed at the University of California, San Diego enables ordinary light-sheet microscopes to observe subcellular structures — in other words, enabling an ordinary light microscope to see in superresolution. The...
Fused Silica Phase Masks Enhance Laser Processing and Microscopy
Jun 1, 2021 — Phase masks and phase plates made of fused silica are used for a number of applications in the field of optics and photonics. Examples include diffractive masks used in laser micromachining or structured illumination, and for the generation of...
Study of Perovskites Uncovers New State of Matter
MONTREAL, June 1, 2021 — McGill University researchers set out to uncover the secrets of perovskite’s ability to act as a semiconductor, even with structural defects. In doing so, they have discovered what amounts to a new state of matter. Perovskites have garnered...
Programmable 2D Nanomaterial Captures Artificial Light for Bioimaging
RICHLAND, Wash., May 27, 2021 — A light-harvesting nanomaterial inspired by the hierarchically structured biominerals in nature could be used to build artificial light-harvesting systems for bioimaging, photovoltaics, and other applications. Created by researchers at Pacific...
Ultrasensitive Detector Enables Lidar to Look Farther
AUSTIN, Texas, May 24, 2021 — A light sensor developed by the University of Texas at Austin (UT Austin) and the University of Virginia is able to amplify weak signals from far away with greater accuracy than current technology, giving autonomous vehicles a fuller picture of...
Ultralow-Loss Mirrors Boost Spectroscopy, Detection
VIENNA, May 21, 2021 — Collaborators from industry and academia have demonstrated high-performance laser mirrors in the mid-infrared range that absorb fewer than 10 out of a million photons. The achievement, enabled by recent advancements in optical coating technology,...
Light Projection System Changes Objects’ Color and Patterns
CAMBRIDGE, Mass., May 18, 2021 — Researchers at MIT have developed a method to rapidly change imagery on an object’s surface. The system, “ChromoUpdate,” pairs an ultraviolet light projector with items coated in light-activated dye. The projected light alters the...
Light-Controlled Nanoparticles Support Noninvasive Nanomedicine
ST. PETERSBURG, Russia, May 13, 2021 — Scientists from ITMO University have developed a production method for bio-integrated optical nanomaterials based on Mie-resonant silicon nanoparticles. The nanoparticles used in the work are covered by biopolymer shells and can be controlled by...
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July 2024
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