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Optics & Photonics news
Deformable mirror technology takes laser welding and 3D printing to new heights
Yongcui Mi has developed a new technology that enables real-time shaping and control of laser beams for laser welding and directed energy deposition using laser and wire. The innovation is based on the same mirror technology ...
Optics & Photonics
Dec 10, 2024
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Scientists develop cost-effective lasers for extended short-wave infrared applications
Current laser technologies for the extended short-wave infrared (SWIR) spectral range rely on expensive and complex materials, limiting their scalability and affordability. To address these challenges, ICFO researchers have ...
Optics & Photonics
Dec 10, 2024
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10,000 times faster than traditional methods: Computational framework discovers experimental designs in microscopy
For human researchers, it takes many years of work to discover new super-resolution microscopy techniques. The number of possible optical configurations of a microscope—for example, where to place mirrors or lenses—is ...
Optics & Photonics
Dec 10, 2024
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Room-temperature nanodevice that generates structured light shows promise for secure communication and advanced optics
Researchers have developed a tiny, room-temperature device that creates a special type of structured light called radially polarized photons, which are highly useful for secure communication, advanced imaging, and precision ...
Optics & Photonics
Dec 10, 2024
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Flexible metafiber device can generate optical skyrmions with designer topological textures and subwavelength features
Skyrmions, recognized for their intricate spin configurations, have captivated researchers as topological quasiparticles with vast potential in data storage and information technology. Recently, optical skyrmions—light-based ...
Time-symmetry concept boosts accuracy of radar and LiDAR systems
An international research team has developed a new technology that helps to improve the accuracy of radar applications and LiDAR systems. Among its possible uses, it could contribute to implementing autonomous cars and optimize ...
Optics & Photonics
Dec 9, 2024
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First electrically pumped, continuous-wave semiconductor laser advances silicon photonics integration
Scientists have developed the first electrically pumped continuous-wave semiconductor laser composed exclusively of elements from the fourth group of the periodic table—the "silicon group."
Optics & Photonics
Dec 9, 2024
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Exploiting optical materials to capture hidden data through new imaging approach
In an era where autonomous navigation, medical diagnostics and remote sensing are rapidly evolving, traditional cameras—limited to capturing only the red, green, and blue (RGB) light intensities—are falling short of data ...
Optics & Photonics
Dec 9, 2024
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Team seeks to set new standards in high-resolution microscopy using a quantum optics trick
About 100 years ago, humanity learned to see with the help of electrons. In 1924, Louis de Broglie posited that—like light particles—electrons have wave properties. In 1927, the U.S. physicists Davisson and Germer provided ...
Optics & Photonics
Dec 9, 2024
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Quantum mechanical principle of strong coupling leads to better optical sensors
A team of researchers from the University of Cologne, Hasselt University (Belgium) and the University of St Andrews (Scotland) has succeeded in using the quantum mechanical principle of strong light-matter coupling for an ...
Optics & Photonics
Dec 9, 2024
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Self-organization in action: Exploring Abrikosov clusters in a liquid crystal droplet
Science often surprises us with its ability to connect seemingly unrelated phenomena. Have you ever stopped to marvel at how nature arranges itself into intricate patterns, like the spirals of a sunflower or the crystals ...
Controlling polaritons at room temperature paves the way for high-speed computing
Researchers have found a way to manipulate special hybrid particles called polaritons—which behave like both light and matter—at room temperature. The breakthrough enables the use of polaritons in high-speed computing ...
Condensed Matter
Dec 9, 2024
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Observing gain-induced group delay between multiphoton pulses generated in a spontaneous down-conversion source
Spontaneous parametric down-conversion (SPDC) and spontaneous four-wave mixing are powerful nonlinear optical processes that can produce multi-photon beams of light with unique quantum properties. These processes could be ...
Experiment verifies a connection between quantum theory and information theory
Researchers from Linköping University together with colleagues from Poland and Chile have confirmed a theory that proposes a connection between the complementarity principle and entropic uncertainty. Their study is published ...
Optics & Photonics
Dec 6, 2024
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X-ray data-enhanced computational method can determine crystal structures of multiphase materials
A joint research team led by Yuuki Kubo and Shiji Tsuneyuki of the University of Tokyo has developed a new computational method that can efficiently determine the crystal structures of multiphase materials, powders that contain ...
Condensed Matter
Dec 5, 2024
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Polarization photodetector that mimics desert ant offers pathway for more sensitive, miniaturized imaging systems
Polarization photodetectors (pol-PDs) have widespread applications in geological remote sensing, machine vision, and biological medicine. However, commercial pol-PDs usually require bulky and complicated optical components ...
Optics & Photonics
Dec 5, 2024
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Scientists exploit photo-induced chirality in thin films to improve authentication tech
In today's world, the fight against counterfeiting is more critical than ever. Counterfeiting affects about 3% of global trade, posing significant risks to the economy and public safety. From fake pharmaceuticals to counterfeit ...
Optics & Photonics
Dec 4, 2024
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X-ray vision: Seeing through the mystery of an X-ray emissions mechanism
Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher ...
General Physics
Dec 3, 2024
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Microscopy at the tip of a hair-thin optical fiber: New approach pre-shapes light for unprecedented control
Researchers at the University of Adelaide, as part of an international team, have developed an approach that makes advanced microscopy possible through an optical fiber thinner than a human hair.
Optics & Photonics
Dec 3, 2024
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Infrared detectors made from quantum dots—a keener eye for the invisible
What do motion detectors, self-driving cars, chemical analyzers and satellites have in common? They all contain detectors for infrared (IR) light. At their core and besides readout electronics, such detectors usually consist ...
Optics & Photonics
Dec 3, 2024
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