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Materials, Coatings News
Researchers Combine Two Light-Trapping Methods in Single Device
COLLEGE PARK, Md., Jan. 17, 2023 — Researchers from the University of Maryland’s Joint Quantum Institute (JQI) combined the qualities of two methods for light-trapping — whispering-gallery mode (WGM) and photonic crystals — in a hybrid device called the microgear photonic crystal ring. The device holds implications for nonlinear optics, where light interacts with the matter it travels through to produce new colors and directions, and is in the area of cavity quantum electrodynamics. In cavity quantum
High-Speed Spectral Imaging Captures Tissue’s Chemical Makeup
IRVINE, Calif., Jan. 16, 2023 — Scientists at the University of California, Irvine developed a spectral imaging technique that is poised to help researchers and industries across multiple fields, including medical and tech, quickly visualize the chemical composition of tissues and...
TiO2 Boosts Efficiency, Photoluminescene of White Laser Diodes
KYOTO, Japan, Jan. 10, 2023 — Light-scattering nano-elements, also known as nanoantennas due to their ability to harness light, are used as an optical control technology in nanophotonics. In combination with a phosphor plate, and upon irradiation, these 2D structures — in...
Unconventional Perovskite Growth Method Boosts Solar Cell Efficiency
GOLDEN, Colo., Jan. 10, 2023 — To improve the efficiency and stability of wide-bandgap perovskite solar cells, researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) and the University of Toledo used a gas-quenching process to produce...
Integrated Terahertz Platform Supports Broadband Coherent Photonics
ZURICH, Jan. 9, 2023 — Recent advancements in the high-temperature operation of terahertz (THz) quantum cascade lasers, combined with their frequency agility and the potential to operate as frequency combs and high-speed detectors, make them highly appealing for THz...
New Sensor Materials and Designs Deepen SWIR Imaging Capabilities
Jan 6, 2023 — Imaging in the shortwave infrared (SWIR) range, from 1000 to 2500 nm, offers significant new advantages in an array of applications, from autonomous vehicles to food quality inspection. SWIR photons are scattered less by dust or fog than...
CES 2023 Puts Optical, Photonic Sensor Technology on Display
LAS VEGAS, Jan. 6, 2023 — The Consumer Electronics Show, the signature annual event of the Consumer Technology Association, kicked off Jan. 5 in Las Vegas. Photonics Media is tracking the technology demonstrations, partnerships, and photonics industry news originating at the...
Photonic System Explores Two-Dimensional Topological Pumping
SHANGHAI, Jan. 3, 2023 — In photonic systems, Thouless pumping enables light transport to take place in a robust way. The method is quantized — determined by the global rather than the local properties of a system. It exhibits topological features, and its ubiquitous...
AGC Inc. Transfers Ownership of Group Company
TOKYO, Jan. 2, 2023 — Glass manufacturing company AGC Inc. (formerly Asahi Glass Co. Ltd.) reached an agreement with Shanghai Yaohua Pilkington Glass Group Co. Ltd. (SYP Group) to transfer its ownership stake in applied glass material company AGC Flat Glass (Dalian) Inc....
Eight Predictions for the Photonics Industry in 2023
Dec 30, 2022 — For the last few years, I have taken time in December to reflect on what happened in the last year and what it means for the one to come. I would reflect on the major events within the laser industry and sometimes speak with key people to learn what...
Modified Raman Microscopy Technique Reveals Molecular Orientation Patterns
GAITHERSBURG, Md., Dec. 27, 2022 — Researchers at the National Institute of Standards and Technology (NIST) have developed a way to measure the 3D orientation of molecules within a material made of polymers. The measurement technique — based on broadband coherent anti-Stokes...
Terahertz Microscopy Could Boost Performance of Perovskite
AMES, Iowa, Dec. 26, 2022 — To better evaluate perovskite solar cell material(s), scientists at the U.S. Department of Energy’s Ames National Laboratory developed a microscope that simultaneously images at the terahertz (THz) frequency and nanometer spatial scales....
Device Employs Structural Color to Image Ambient Gases
TSUKUBA, Japan, Dec. 22, 2022 — Researchers from the National Institute for Materials Science (NIMS, Japan), Harvard University, and the University of Connecticut jointly designed and fabricated a simple device developed for imaging a gas injected into it — in multiple...
Phlux Secures Funding to Market Lidar-Boosting Sensors
SHEFFIELD, England, Dec. 9, 2022 — Phlux Technology, a designer of high-performance infrared sensors, has secured £4 million ($4.89 million) in a seed funding round to bring its lidar sensors to the mass market. The Sheffield University spinout uses the semi-metal element...
Lightwave Logic Acquires Polymer Tech, Assets from Chromosol
ENGLEWOOD, Calif., Nov. 29, 2022 — Lightwave Logic Inc., an optical communications technology company, has acquired the polymer technology and intellectual property assets of Chromosol Ltd., a spinout company from Queen Mary, University of London. The acquisition strengthens...
BluGlass, Ganvix Partner to Develop Green Gallium Nitride VCSELs
NEW SOUTH WALES, Australia, Nov. 28, 2022 — Semiconductor technology company BluGlass has signed a paid development agreement with Ganvix Inc., a developer of gallium nitride (GaN) VCSELs, to develop GaN VCSELs for green wavelengths (515 to 525 nm). Under the paid development agreement,...
Diode Demonstration Establishes Efficient Route to Sterile Settings
NAGOYA, Japan, Nov. 29, 2022 — Since their introduction in the 1960s, laser diodes have been developed and commercialized for a number of applications with wavelengths ranging from infrared to blue-violet. Examples of this technology include optical communications devices with...
Low-Cost Solar Cell Amplifies Performance Potential of Perovskite
TORONTO, Nov. 28, 2022 — An international research team has produced an all-perovskite tandem solar cell with exceptionally high open-circuit voltage and efficiency. The prototype device demonstrates the potential of perovskite, an emerging photovoltaic technology, to...
TRUMPF Manufactures Particle Accelerator Component for CERN
DITZINGEN, Germany, Nov. 25, 2022 — TRUMPF has additively manufactured a core component of future particle accelerators as part of the EU-funded I.FAST (Innovation Fostering in Accelerator Science and Technology) project coordinated by the European Organization for Nuclear Research...
Researchers Unlock Light-Matter Interactions on Subnanometer Scales
WEST LAFAYETTE, Ind., Nov. 22, 2022 — Researchers at Purdue University have discovered waves with picometer-scale spatial variations of electromagnetic fields that can propagate in semiconductors like silicon. The findings demonstrate that natural media host a variety of light-matter...
Ultrafast Bursts Extend Chip Lithography Below Surface
MARSEILLE, France, Nov. 22, 2022 — Because semiconductors serve as the backbone of modern technologies including cellphones, cars, robots, and other devices, the continuous need for miniaturized and powerful chips is placing increased pressure on semiconductor manufacturing...
Tunable Metasurface Senses Multidimensional Light-Field Information
BEIJING, Nov. 21, 2022 — Researchers led by professor Yuanmu Yang from the State Key Laboratory of Precision Measurement Technology and Instruments, Department of Precision Instruments, Tsinghua University have developed a near-infrared spectropolarimeter based on an...
Bruker Acquires Neurescence; VIAVI Opens Arizona Facility: Week in Brief: 11/18/22
BILLERICA, Mass., Nov. 18, 2022 — Bruker signed a definitive agreement to acquire 100% of the shares of Neurescence, a medical imaging company. Neurescence’s ultralight fiber-bundle multiscopes allow simultaneous multiregion, optical functional neuroimaging. Its flagship...
Spectral Control of Network Lasers Opens Opportunity for On-Chip Photonics
LONDON, Nov. 17, 2022 — Efficient spectral control of network lasers is possible and could lead to fast-switching, multifunctional light sources for on-chip photonic applications. Using experiments and mathematical models, researchers at Imperial College London...
Light-Activated Molecular Motors Achieve Fluorescence
GRONINGEN, Netherlands, Nov. 14, 2022 — In their study of rotary molecular motors, researchers in the laboratory of Ben Feringa at the University of Groningen have combined two light-mediated functions — motion and fluorescence — within a single molecule. The advancement is...
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May 2024
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