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Research & Technology News

Dark Autoionizing States Enhance EUV Laser Power
QUEBEC CITY, April 27, 2023 — Researchers led by Tsuneyuki Ozaki and François Légaré at the Institut national de la recherche scientifique (INRS) in Quebec have developed a method that could bring extreme ultraviolet (EUV) femtosecond lasers out of synchrotron facilities and onto the optical table. The technique, based on high-order harmonic generation (HHG), enhances the power of a laser source emitting EUV light pulses by a factor of 10. The underlying mechanism involves the role of dark-autoionizing
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...
Blue Light Technique Will Advance Nanoscale Tech
PROVIDENCE, R.I., April 21, 2023 — Researchers at Brown University have developed an approach to scattering-type scanning near-field microscopy (s-SNOM) that uses blue light to enable measurement of electrons in semiconductors, as well as other nanoscale materials. The findings,...
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...
On-Chip Quantum Light Source Brings Scalability to Quantum Cloud
HANNOVER, Germany, April 19, 2023 — Researchers from Leibniz University Hannover, the University of Twente, and photonic quantum computing company QuiX Quantum have presented an entangled quantum light source fully integrated on a chip. According to team member Michael Kues, who is...
Neuromorphic Sensor Recognizes Motion, Predicts Path
ESPOO, Finland, April 18, 2023 — A bio-inspired sensor developed by researchers at Aalto University can recognize moving objects in a single frame from a video and successfully predict where they will move to. The sensor has use in dynamic vision sensing, automatic inspection,...
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...
Mirror Manufacturing Technique Raises Precision, Reduces Production Time
JENA, Germany, April 12, 2023 — Traditionally, high-precision components — for example, mirror optics — are mass-produced in a time-intensive and manufactory-like process and then individually characterized using complex measurement technology. As the demand for such...
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...
Diffractive Optical Network Enables Snapshot Multispectral Imaging
LOS ANGELES, April 10, 2023 — UCLA researchers led by Aydogan Ozcan and Mona Jarrahi have developed a multispectral imaging technology capable of turning a monochrome sensor into a multispectral one. Rather than the traditional absorptive filters used for multispectral imaging,...
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...
Ultrafast Beam-Steering Achieved for Incoherent Light
ALBUQUERQUE, N.M., April 4, 2023 — A research team at Sandia National Laboratories has demonstrated a technique that dynamically steers light pulses from conventional incoherent light sources. The ability to control incoherent light with a semiconductor device could allow low-power,...
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...
On-Chip Supercontinuum Laser Holds Promise in Portability
ENSCHEDE, Netherlands, April 3, 2023 — An ultra-efficient on-chip supercontinuum laser developed by researchers at the University of Twente is poised to enable applications ranging from portable medical imaging devices to chemical sensing and lidar. The researchers’ design enabled...
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...
Shortwave IR Imaging Aids in Tumor Identification
LONDON, March 30, 2023 — A method combining highly detailed, real-time images within the body with shortwave infrared (SWIR) light has been used for the first time during surgery to differentiate cancerous tumors and healthy tissue. The technique, which was already...
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...
Transient Absorption Helps Distinguish Excitation Values
WÜRZBURG, Germany, March 28, 2023 — Since the 1970s, researchers have struggled with the same problem: Shining a laser on a sample can excite it not just once, but several times per experiment. As a result, measurement results of the single excitation and the multiple excitations...
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...

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