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Research & Technology News
Kinetic River Advances Compensation-Free Flow Cytometry
MOUNTAIN VIEW, Calif., Feb. 14, 2022 — Kinetic River Corp. reported that it has advanced its Arno technology for time-resolved cell analysis, developing technology that enables compensation-free, 12-marker flow cytometry assays with just two lasers and six detectors using time-resolved methods. The technology demonstrated the doubling of the number of markers that is measurable with a fixed set of lasers and detectors. The company said that the technology could additionally support the tripling of number of markers that can be
Polarization-Maintaining Fiber Enables Near-Chirp-Free Pulses
XI’AN, China, Feb. 11, 2022 — A team at Northwestern Polytechnical University (China) has demonstrated near-chirp-free solitons in normal-dispersion, hybrid-structure fiber lasers that contain a few meters of polarization-maintaining fiber. The solitons typically have a...
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...
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...
Reconfigurable Intelligent Surface Offers Precision Wave Control
BELLINGHAM, Wash., Feb. 9, 2022 — An international team of researchers has developed a mechanical reconfigurable intelligent surface that features a high reconfiguration degree of freedom, is low cost, and is characterized by its low energy consumption. The device operates at...
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 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...
Machine-Readable Labels Identify and Track Objects
CAMBRIDGE, Mass., Feb. 3, 2022 — A 3D-printing process developed at MIT creates barcodes and tags in the infrared spectrum to enable machines to track and identify objects. In place of the standard barcodes affixed to products, which may be removed, become detached, or become...
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...
Compact Terahertz Laser, With Room to Shrink, Produces 120 Frequencies
CAMBRIDGE, Mass., Jan. 31, 2022 — Researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have taken a step toward bringing terahertz frequencies out of their hard-to-reach region of the electromagnetic spectrum and into everyday applications. A...
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...
Quantum Computing Technique Harnesses Noise
SEATTLE, Jan. 27, 2022 — Researchers at the University of Washington (UW) have developed optical computing hardware for AI and machine learning that is faster and more energy efficient than conventional electronics-based computers. The work also addresses another challenge:...
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...
Flow Cytometry Technique Enables High-Speed Cell Sorting
FRANKLIN LAKES, N.J., Jan. 24, 2022 — A study led by global medical technology company BD (Becton, Dickinson, and Co.), in collaboration with the European Molecular Biology Laboratory (EMBL), has demonstrated an innovation in flow cytometry that adds fluorescence imaging and image-based...
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...
Light Spurs Ion Motion to Up-Power Fuel Cells, Batteries
CAMBRIDGE, Mass., Jan. 18, 2022 — Research from MIT and Kyushu University suggests that light could provide significantly improved performance to fuel cells, lithium batteries, and other devices that rely on the movement of charged atoms. The work introduces and demonstrates a way...
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...
Spectroscopy Method Could Raise Number of Viable Donor Kidneys
WASHINGTON, D.C., Jan. 14, 2022 — Researchers at the University of Shanghai for Science and Technology and the Changhai Hospital of Shanghai used label-free surface-enhanced Raman scattering (SERS) spectroscopy to quantitatively assess donor kidney quality, reportedly for the first...
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...
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