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(2,228 items)
Education News
Infrared Metamaterial Absorber Shows Promise in Radiative Cooling
JILIN CITY, China, Feb. 10, 2022 — Researchers from the State Key Laboratory of Applied Optics, Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences (CAS) have proposed a broadband, polarization- and angle-insensitive metamaterial absorber (MA) that covers the longwave infrared (LWIR) band. The design supports radiative cooling applications, as well as infrared imaging and thermal detection. MAs that are based on subwavelength periodic patterns can achieve perfect absorption
Three-Photon Microscopy Reveals Immune Cell Behavior in Real Time
ITHACA, N.Y., Feb. 10, 2022 — A research group from Cornell University has used three-photon microscopy to image the full depth of the popliteal lymph node in a living mouse — reportedly for the first time. The researchers successfully observed the dynamic interactions of...
Electrophotonics Bridges Sensor Logjam for Autonomous Vehicles
BOSTON, Feb. 9, 2022 — Photonic computing company Lightmatter, with Boston University College of Engineering and the Harvard John A. Paulson School of Engineering and Applied Sciences, is leading a multimillion-dollar initiative to develop a solution for autonomous...
Alfano-Led Team Introduces Alternative Route to Odd Higher Harmonic Generation
NEW YORK, Feb. 7, 2022 — Researchers in the group of Robert Alfano at the Institute of Ultrafast Spectroscopy and Lasers at the City College of New York, with collaborators from the University of California, San Diego, have introduced an approach to explain higher harmonic...
Microresonator Increases Strength of Light-matter Interactions
AMHERST, Mass., Feb. 7, 2022 — Researchers at the University of Massachusetts Amherst, the University of Maryland, and the National Institute of Standards and Technology (NIST) built an on-chip microresonator that strengthens light-matter interactions without losing optical...
LASER World of PHOTONICS Returns to Munich, Debuts Quantum Expo
MUNICH, Feb. 4, 2022 — Photonics industry market leaders, research institutes, and, thanks to a dedicated trade fair platform in the quantum space, drivers in the quantum industry will return to Munich April 26-29 for LASER World of PHOTONICS. The event is taking place...
Laser Blazes New Milestone Toward Self-Sustaining Fusion Energy
LIVERMORE, Calif., Feb. 3, 2022 — Scientists at Lawrence Livermore National Laboratory’s National Ignition Facility (LLNL NIF) said that, for the first time, physicists have engineered and tested a laser system in which fusion itself — as opposed to external heating...
FiconTEC Establishes US Subsidiary Based at CREOL
ORLANDO, Fla., Feb. 2, 2022 — Photonics assembly and test company ficonTEC Service GmbH has established ficonTEC Inc. as a wholly owned subsidiary. The Aachen, Germany-based parent company opened a joint facility — its U.S. operations center — with the University of...
AI to Automate Laser Material Deposition
AACHEN, Germany, Feb. 1, 2022 — Industrial organizations in Germany and Canada are collaborating to provide automated control of laser material deposition (LMD) and other additive processes using artificial intelligence (AI). The partners in the Artificial Intelligence Enhancement...
Semiconductors Manipulate Light for Drug Molecule Characterization
BATH, England, Feb. 1, 2022 — A photonic effect in semiconducting helical particles, discovered through a collaboration between the University of Bath and the University of Michigan, could facilitate the use of robotic chemistry to speed the development and screening of...
Startup Integrates Research-Grade Brain Imaging into Wearable Cap
LOS ANGELES, Jan. 31, 2022 — Neurotechnology company Kernel has developed a wearable headset device for brain measurement. The device, called Kernel Flow, is based on time-domain functional near-infrared spectroscopy (TD-fNIRS) — considered the gold standard for...
Record Strain Achieved in Single-Crystal Silicon
GUILDFORD, England, Jan. 26, 2022 — A simple method for producing what scientists have reported are record levels of strain in single-crystal silicon could lead to the ability to integrate photonics more fully with silicon structures. The method was demonstrated by a research team at...
SPIE, University of Rochester Establish Graduate Fellowship in Optics
BELLINGHAM, Wash., Jan. 25, 2022 — SPIE, the international society for optics and photonics, and the University of Rochester announced the establishment of the SPIE Graduate Fellowship in Optical Sciences and Engineering. The $500,000 gift from the SPIE Endowment Matching Program...
VCSEL Addition Helps AI Light-Field Camera Read Facial Expressions
DAEJEON, South Korea, Jan. 24, 2022 — A team at the Korea Advanced Institute of Science and Technology (KAIST) has developed a technique for facial expression detection by merging near-infrared (NIR) light-field camera imaging techniques with AI technology. Unlike a conventional camera,...
Laser Ophthalmoscopic Method Enables In Vivo Imaging of the Eye
WARSAW, Poland, Jan. 21, 2022 — An instrument called the two-photon excited fluorescence scanning laser ophthalmoscope (TPEF-SLO) has made it possible to view, in real time, the biochemical processes that occur in the retina. Researchers have traditionally been unable to view...
Chip-size Sensor Performs on Par With Conventional Spectrometers
EINDHOVEN, Netherlands, Jan. 20, 2022 — A miniaturized near-infrared (NIR) sensor for industry, agriculture, and other sectors is ready to be deployed, according to its developers at the Eindhoven University of Technology (TU/e). The sensor’s design is based on an approach to...
Laser Nanosoldering Boosts Conductivity of Nanoelectrodes
GUANGZHOU, China, Jan. 19, 2022 — Researchers at Jinan University and the Chinese Academy of Sciences developed a plasmon-enhanced laser nanosoldering technology to increase the electrical conductivity of silver (Ag) nanowires that are fabricated using femtosecond laser direct...
Optical Biopsy System Cuts Potential for Misdiagnoses of Liver Cancer
WASHINGTON, D.C., Jan. 18, 2022 — An optical biopsy system that combines diffuse reflectance spectroscopy and fluorescence lifetime measurements can distinguish between cancerous and healthy tissue in the liver. The technology could make it easier to diagnose liver cancer, which is...
Sensor Could Make 3D Holograms a Feature in Mobile Devices
SEOUL, South Korea, Jan. 17, 2022 — Researchers at the Korea Institute of Science and Technology (KIST) and Yonsei University are laying the groundwork for 3D digital holography on mobile devices. The group designed a photodiode that detects the polarization of light in the...
Nanosize Device Noninvasively Assesses Cell's Electric Field
LOS ANGELES, Jan. 13, 2022 — A nano-size, organic molecular device that can detect and manipulate its surrounding bioelectric field opens possibilities in biophotonics, specifically in wound healing and in the fight against diseases. The triangle-shaped device is made of two...
Metasurface-Based Multiplexing Sharpens Vector Beam Communications
SHENZHEN, China, Jan. 11, 2022 — An approach to cylindrical vector beam (CVB) multiplexing that is based on off-axis polarization control, developed by a research team from Shenzhen University, could help realize the potential of CVB multiplexing as a pathway to high-capacity...
Supercomputer Adds Efficiency to Light-Matter Simulations
TSUKUBA, Japan, Jan. 11, 2022 — Researchers at the University of Tsukuba developed a unified method for simulating light-matter interaction at the atomic scale. The method is considered to be highly efficient by the researchers, as it simultaneously calculates electromagnetic...
Optogenetics Tool Brings Dynamics of Cellular and Tissue Mechanics to Light
OKAZAKI, Japan, Jan. 10, 2022 — A research team at the National Institute for Basic Biology (NIBB) developed an optogenetic tool that can reduce cellular contractile force to better understand how contractile forces generated by cells — those that affect an array of...
Photon-Controlled Electron Beams Push Bounds of Quantum Metrology
LAUSANNE, Switzerland, Jan. 7, 2022 — The combination of integrated photonics and electron microscopy supports a method for highly efficient electron-beam modulation. The experimental work described by scientists at École polytechnique fédérale de Lausanne (EPFL),...
Shift to Transmissive Mode Improves Thick Tissue Laser Speckle Contrast Imaging
WUHAN, China, Jan. 7, 2022 — Although reflective-detected laser speckle contrast imaging (LSCI) is a powerful tool for monitoring blood flow circulation at the surface layers of tissue, it is inadequate for detecting signals from thick tissue layers. A scientific team from...
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