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Coated Guidewire Boosts Intravascular Assessment Accuracy
MUNICH, April 26, 2023 — Cardiologists use intravascular near-infrared fluorescence (NIRF) imaging with intravascular ultrasound (IVUS) and other imaging modalities to examine blood vessels and assess cardiovascular health. Although NIRF and IVUS, used in tandem, provide a powerful technique for detecting conditions such as plaque buildup in arteries, variable attenuation of blood inside vessels can interfere with the accuracy of the NIRF measurements. An approach developed by researchers at the Technical
Low-Cost Camera Helps Forecast Volcanic Eruptions
SHEFFIELD, England, April 20, 2023 — To help scientists track volcanic events over the long term and predict future eruptions, an international team has designed a low-cost, low-power sulfur dioxide (SO2) camera for permanent deployment on volcanoes around the world. The camera will...
Remote Sensing Aids Photoacoustic Microscopy in Tissue Mapping
HONG KONG, April 18, 2023 — Researchers at the University of Hong Kong showed that biological tissue can be imaged with greater sensitivity through remote sensing of photoacoustic signals than through conventional photoacoustic imaging techniques. The researchers demonstrated...
Dichroism Method Adapted for Lab Use Unlocks Materials’ Secrets
BERLIN, April 17, 2023 — Researchers at the Max Born Institute (MBI) used x-ray magnetic circular dichroism (XMCD), a technique that can be used to measure the spin and charge dynamics in multi-elemental magnetic materials, in a laser laboratory setting and performed...
Fluorescent Protein Combines Record Brightness with Fast Folding
AMSTERDAM, April 13, 2023 — The University of Amsterdam research team that introduced the red fluorescent protein known as mScarlet in 2016 has introduced an improved variant of the marker. A version of mScarlet called mScarlet3 delivers a quantum yield of 75% and a...
Silicon Photonics Enable Next-Generation Quantum Devices
GAITHERSBURG, Md., April 11, 2023 — Researchers at the National Institute of Standards and Technology (NIST) have greatly improved the efficiency and power output of a series of chip-scale devices that generate laser light at different colors while using the same input laser source....
Optogenetic Light Source Transmits Information Between Neurons
BARCELONA, Spain, April 11, 2023 — Researchers at The Institute of Photonic Sciences (ICFO) demonstrated that photons, acting as neurotransmitters, can enable communication between neurons. The researchers developed an all-optogenetic, synaptic transmission system that enabled...
Novel Qubits Exhibit Better Defects for Quantum Computing, Telecom
RICHARDSON, Texas, April 5, 2023 — To make a solid-state qubit, a defect must be inserted into the solid material to control the spin states of the electrons. These quantum defects have the potential to enable integration of quantum information systems with conventional electronic...
Century-Old Effect Applied for Study of Embryonic Development
HEIDELBERG, Germany, April 4, 2023 — Researchers have applied line-scanning Brillouin microscopy (LSBM), a microscopy technique based on Brillouin scattering, to visualize the mechanical properties of living cells over space and time, and to provide fast 3D imaging with low...
Wearable Microscopes Image Transmission of Pain Signals
LA JOLLA, Calif., April 3, 2023 — Researchers at the Salk Institute for Biological Studies have developed wearable microscopes and an implantable microprism that together aim to help scientists uncover the role that the spinal cord plays in relaying pain signals at the cellular...
Reusable Substrate Enhances Raman Signal by Factor of 50
KIEL, Germany, March 31, 2023 — Materials scientists at Kiel University have developed a photoinduced enhanced Raman spectroscopy (PIERS) method to detect analytes at concentrations one to three orders of magnitude lower than that which can be achieved using classical...
3D Printing Eases Electronic Device Implantation
LANCASTER, England, March 30, 2023 — A team led by researchers at Lancaster University has developed a method to 3D-print flexible electronics using a conducting polymer, and the team has demonstrated a method to directly print these electrical structures on or in living organisms....
Freeform Illuminators Spur Computational Microscopy Efficiency Gains
STORRS, Conn., March 30, 2023 — To further the use of programmable illumination for computational microscopy methods, researchers at the University of Connecticut constructed, calibrated, and tested freeform illuminators in different forms — in the shapes of a tilted flat...
Algorithm Computationally Fuses Classical, Quantum Imaging
FORT COLLINS, Colo., March 29, 2023 — Researchers from Colorado State University and the Colorado School of Mines have developed an efficient and robust algorithm that fuses quantum and classical information for high-quality imaging. According to the researchers, the computational...
Machine Learning Enhances Light-Field Imaging-Based Method
NEW YORK, March 28, 2023 — Researchers from The Rockefeller University have developed an imaging technique that could allow scientists to penetrate the depth and breadth of the cortical areas of the brain at peak resolution, scale, and speed. The technology, called MesoLF, is...
Chip-Scale Spectrometer Points to Portable Instrumentation
HONG KONG, March 24, 2023 — Scientists at the Chinese University of Hong Kong have developed an approach to chip-scale spectrometry that offers both high spectral resolution and optical bandwidth. The researchers designed and developed an integrated spectrometer by tailoring...
On-Chip Metrology Links Nobel Prize-Winning Optical Techniques
DELFT, Netherlands, March 24, 2023 — A team from Delft University of Technology has developed on-chip technology to measure distances in materials in materials at high precision — for example, underwater or for medical imaging. The technology relies on sound vibrations, and it is...
Hybrid Platform Characterizes Tunable Laser Advancement
LAUSANNE, Switzerland, March 23, 2023 — Researchers at École Polytechnique Fédérale de Lausanne (EPFL) and IBM have developed an ultrafast, tunable, hybrid laser based on lithium niobate (LiNbO3) that could significantly improve optical ranging technology. The EPFL...
Wavefront Shaping Improves Tissue Imaging for Disease Detection
PASADENA, Calif., March 21, 2023 — Wavefront shaping is used to reverse the optical distortion caused by Earth’s atmosphere and provide clear images of distant planets. Beyond astronomy, wavefront shaping in biomedicine is emerging as a promising tool for controlling and...
Dual-Property Coating Combats Fog, Reflections at Same Time
JENA, Germany, March 20, 2023 — Researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF (Fraunhofer IOF) and Friedrich Schiller University Jena developed an optical coating system that combines antifogging (AF) and antireflective (AR) properties....
Researchers Shrink Dimensions in Which Light Can Be Confined
SOUTHAMPTON, England, March 16, 2023 — The degree to which light can be confined determines the intensity and precision of light-based devices. It also sets the limits within which nanoparticles can be observed. For these reasons, finding ways to confine and control light in ever smaller...
Graphene Properties Add Axial Resolution Precision to 3D Imaging
MUNICH, March 14, 2023 — Researchers at the Ludwig Maximilian University of Munich (LMU) combined pulsed-interleaved MINFLUX (pMINFLUX) nanoscopy with a newly developed method for axial resolution that exploits the special properties of the 2D material graphene to achieve...
AIM Photonics Receives Approval for $27.5M in Funding
ROCHESTER, N.Y., March 13, 2023 — The New York State Photonics board of directors approved a proposal for the allocation of $27.5 million to fund the AIM Photonics Test, Assembly, and Packaging (TAP) Facility in Rochester, N.Y. The proposal would see $23 million go toward new...
Novel Photodiode Cuts Excess Noise, Enhances Detection Efficiency
SHEFFIELD, England, Feb. 27, 2023 — Researchers at the University of Sheffield designed and developed an avalanche photodiode (APD) with significant potential for low photon detection. The highly sensitive gallium arsenide antimonide/aluminum gallium arsenide antimonide...
Lidar Methods Combine for Nonmechanical, Compact Solution
WASHINGTON, D.C., Feb. 24, 2023 — In a newly developed lidar system, researchers at Kyoto University integrated 3D flash and beam-scanning laser light sources to create a 3D, nonmechanical lidar system. The system can measure the distance of poorly reflective objects in the FOV and...
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June 2024
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