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(38,291 articles)
Popular News
Semiconductor Surface States Enhance Wavelength Conversion
LOS ANGELES, Aug. 3, 2021 — Electrical engineers from the UCLA Samueli School of Engineering have introduced a solution to enhance wavelength-conversion efficiency by exploring the phenomenon of semiconductor surface states. The work, which establishes a more efficient way of converting light from one wavelength to another, opens doors to improvements in the performance of imaging, sensing, and communication systems. Surface states occur when surface atoms have an insufficient number of other atoms to which they can
Quantum Metasurfaces Manipulate Free Photons
LOS ALAMOS, N.M., Aug. 3, 2021 — A team at Los Alamos National Laboratory proposes that modulated quantum metasurfaces can control all properties of photonic qubits. According to the team, such a breakthrough would affect the fields of quantum information, communications, sensing,...
Barton Elected into SPIE Presidential Chain
BELLINGHAM, Wash., Aug. 3, 2021 — Jennifer Kehlet Barton, the Thomas R. Brown Distinguished Professor of Biomedical Engineering, professor of optical sciences, and director of the BIO5 Institute at the University of Arizona, was elected to serve as the 2022 vice president of SPIE....
Optical Measurement Reduces Vibration in High-Power Lasers
BERKELEY, Calif., Aug. 2, 2021 — The Berkeley Lab Laser Accelerator (BELLA) Center at the U.S. Department of Energy’s Lawrence Livermore National Laboratory has developed and tested an optical system to precisely measure and control the position and pointing angle of...
Photothermal Process Irradiates Nanoparticles to Control Cell Activity
ST. LOUIS, Aug. 2, 2021 — Using nanoparticles as photothermal nanotransducers, scientists at Washington University in St. Louis demonstrated reversible modulation of electrical activity in excitable nerve and heart muscle cells. The biocompatible, minimally invasive approach...
Spot Cooling Helps Industrial Lasers and Optics Stay on Point
Jul 30, 2021 — The increasing demand in many end markets for advanced manufacturing systems that are able to increase production and cut costs have positioned laser systems as an important fabrication tool. High-powered lasers, such as CO2 sources, are used for...
Injectable Biosensors Convert Brain Activities into Detectable Optical Signals
WASHINGTON, D.C., July 30, 2021 — Technology for monitoring neuronal activity noninvasively could allow scientists to study the brain without the need for surgery or implanted devices. The newly developed nanotechnology, called NeuroSWARM3 by its inventors at the University of...
Researchers Develop Octave-Spanning Combs in Aluminum Nitride Resonator
DUBLIN, July 30, 2021 — Collaborators from Ireland and China have demonstrated a method to develop an octave-spanning coherent optical comb with a much lower pump power compared with other techniques that require complicated controlling equipment. The photonic system...
Photonics News: Week in Brief: 07/30/21
Jul 30, 2021 — CHICAGO — AKHAN Semiconductor reported it has demonstrated the ability to manufacture 300-mm CMOS diamond wafers. The technology has the potential to enhance power handling, heat management, and the durability of electronics across industries...
Inspecting for Lens Defects Only Scratches the Surface
Jul 29, 2021 — It may come as a surprise to learn that, in sharp contrast to the high-precision practices of the optics industry, many optical surfaces are still inspected by the naked eye. Humans have yet to be usurped by automation, in this niche at least, but...
3 Questions with Karl George Sr.
Jul 29, 2021 — Photonics Media speaks with Karl George Sr. about his largest project, the evolution of optical coatings, and Edmund Optics' acquisition of his company.
Dynamic Beam Laser to Push Limits of Materials Processing
DRESDEN, Germany, July 29, 2021 — Laser experts from Germany and Israel are testing a laser for industrial use at the Fraunhofer Institute for Material and Beam Technology IWS. The laser is part of the Saxon-Israeli research project “ShapeAM,” which began in July 2021,...
Plasma Coating Offers Cost-effective, Sustainable Alternative to Indium
SYDNEY, July 29, 2021 — Researchers from the University of Sydney have developed a low-cost, sustainable, and readily available technology that can dim the screens of electronic devices, antireflection automobile mirrors, and smart architectural windows at a fraction of...
VISION Returns to Messe Stuttgart
Jul 28, 2021 — After the biennial VISION show was canceled in 2020 due to the pandemic, machine vision professionals from around the world will gather in person again this year to attend the event at Messe Stuttgart in Germany on Oct. 5-7. “As the...
Optical Glass Selection Is Not Always So Transparent a Choice
Jul 28, 2021 — Optical designers have many glass types to choose from when developing assemblies for imaging applications. Typically, a variety of these material options is available to meet the desired design specifications of a particular system. The challenge...
Custom Near-Field Nanoscopy Tool Images Materials at Nanoscale
CAMBRIDGE, Mass., July 28, 2021 — A near-field infrared (IR) nanoscope and spectroscope, custom built by a research team at MIT, can quickly and economically probe the characteristics of diverse materials at the nanoscale. Also known as a scattering-type scanning near-field optical...
People in the News: 07/28/21
Jul 28, 2021 — HOD HASHARON, Israel — CONTROP Precision Technologies Ltd., a developer and manufacturer of electro-optical/IR observation, scanning, reconnaissance, and surveillance systems and solutions for military and homeland security applications,...
PsiQuantum Will Build Commercial Quantum Computer Development
PALO ALTO, Calif., July 27, 2021 — PsiQuantum has raised $450 million in Series D funding to build the world’s first commercially viable quantum computer, the company said. The company intends to build a fault-tolerant quantum computer supported by a scalable and proven...
Nanostructures Allow High Harmonic Generation with Pulsed Lasers
ITHACA, N.Y., July 27, 2021 — Cornell University researchers have developed nanostructures that enable record-breaking conversion of laser pulses into high-harmonic generation. The work paves the way for new scientific tools for high-resolution imaging as well as the study of...
Optical Technique Measures Chirality Over Broad Wavelength Range
MILAN, July 27, 2021 — A research team from Politecnico di Milano and the University of Bayreuth (Germany) has developed an approach for the quick measurement of chirality across a broad wavelength range. In molecules, chirality occurs when molecules contain the same...
PerkinElmer to Acquire BioLegend
WALTHAM, Mass., July 26, 2021 — PerkinElmer (PE) will make the largest transaction in its history. The company has entered into an agreement to acquire BioLegend, a global provider of life science antibodies and reagents, in a deal worth approximately $5.25 billion. The deal is...
SPIE Optics + Photonics Returns to San Diego with Comprehensive Program
Jul 26, 2021 — A live exhibition will feature more than 100 participating companies; more than 2000 papers, posters, and presentations; and interactive networking sessions at SPIE Optics + Photonics, taking place Aug. 1-5 in San Diego. The five-day, in-person show...
Tunable Approach to Structural Color Powers Displays, Cuts Energy
LINKÖPING, Sweden, July 26, 2021 — Researchers at Linköping University have discovered a way to generate structural color that could potentially be applied to the manufacture of low-cost, energy-efficient displays and electronic labels. The method uses monochromic conducting...
On-Demand Optical Singularities Strengthen Range of Applications
CAMBRIDGE, Mass., July 26, 2021 — A group led by Federico Capasso at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) has broadened the study of optical singularities to include to zero-dimensional (point) and 2D (sheet) optical singularities. The group...
Optica Names Carney Chief Scientific and Technology Officer
WASHINGTON, D.C., July 26, 2021 — The Optical Society (OSA) appointed P. Scott Carney as chief scientific and technology officer. Carney will coordinate technical activity across the organization, including shaping the scientific strategy for meetings, leading advocacy efforts, and...
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