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Optics & Photonics news
New algorithm approach paves the way for larger, more complex metalenses
Compact and lightweight metasurfaces—which use specifically designed and patterned nanostructures on a flat surface to focus, shape and control light—are a promising technology for wearable applications, especially virtual ...
Optics & Photonics
6 hours ago
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New metasurface-based device creates different images depending on light and environmental conditions
Researchers have developed a new metasurface-based device that can produce multiple distinct holographic images depending on the surrounding medium and the wavelength of light used. The ability to store information that is ...
Optics & Photonics
8 hours ago
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An intelligent quantum sensor that simultaneously detects the intensity, polarization and wavelength of light
A team of researchers has built an intelligent sensor—the size of about 1/1000 of the cross-section of a human hair—that can simultaneously detect the intensity, polarization and wavelength of light, tapping into the ...
Optics & Photonics
12 hours ago
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Shaping the future of light through reconfigurable metasurfaces
The technological advancement of optical lenses has long been a significant marker of human scientific achievement. Eyeglasses, telescopes, cameras, and microscopes have all literally and figuratively allowed us to see the ...
Optics & Photonics
May 16, 2022
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Terahertz near-field microscopy based on an air-plasma dynamic aperture
As a novel far-infrared inspection method, the development of terahertz (THz) imaging technology has attracted considerable attention in recent years. With the unique properties of THz radiation, such as non-ionizing photon ...
Optics & Photonics
May 13, 2022
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An optoelectronic thermometer based on microscale infrared-to-visible conversion devices
High-accuracy spatially and temporally resolved temperature sensing is critical and has broad applications in diverse fields, such as industrial manufacturing, environmental protection, and healthcare monitoring. Optical-based ...
Optics & Photonics
May 13, 2022
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A vertical matrix X-ray detector for multi-energy discrimination
There are three types of cone cells in the retina that are called L-cones (sensitive to red light), M-cones (sensitive to green light), and S-cones (sensitive to blue light). The coordinated response of cone cells to visible ...
Optics & Photonics
May 13, 2022
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Physics and applications of Raman distributed optical fiber sensing
Raman distributed optical fiber sensing has been demonstrated to be a mature and versatile scheme that presents great flexibility and effectivity for the distributed temperature measurement of a wide range of engineering ...
Optics & Photonics
May 13, 2022
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A metasurface-based light-to-microwave transmitter for hybrid wireless communications
Today, wireless communications play an increasingly important role in our daily lives. For future "freewheeling" sixth generation (6G) wireless communications, the hybrid communication systems that can exploit advantages ...
Optics & Photonics
May 13, 2022
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On-chip photodetection: Two-dimensional material heterojunctions
Photonic integrated circuits (PICs) use photons as information carriers and are expected to solve the bottleneck problems of microelectronic chips in terms of speed, power consumption and integration density with their advantages ...
Optics & Photonics
May 13, 2022
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Small microring array enables large complex-valued matrix multiplication
Optical computing uses photons instead of electrons to perform computations, which can significantly increase the speed and energy efficiency of computations by overcoming the inherent limitations of electrons. The basic ...
Optics & Photonics
May 12, 2022
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Optical cavities could provide new technological possibilities
A research team from NTNU is studying a topic called optical cavities and how the light trapped in them interacts with atoms, molecules and other particles. The technology could prove valuable for the development of energy-efficient ...
Optics & Photonics
May 12, 2022
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Ultrafast dynamics of topological material probed under pressure
A team led by Prof. Su Fuhai from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences (CAS), together with researchers from the Aerospace Information Research Institute, and the Center for ...
Condensed Matter
May 12, 2022
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Laser bursts drive fastest-ever logic gates
A long-standing quest for science and technology has been to develop electronics and information processing that operate near the fastest timescales allowed by the laws of nature.
Optics & Photonics
May 11, 2022
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Physicists discover light-induced mechanism for controlling ferroelectric polarization
By applying light, University of Arkansas physicists Peng Chen and Laurent Bellaiche have discovered a surprising mechanism for controlling ferroelectric polarization in a deterministic manner.
Condensed Matter
May 10, 2022
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Researchers use light for thermomagnetic recording on silicon waveguide
Researchers have demonstrated, for the first time, light-induced thermomagnetic recording in a magnetic thin-film on silicon waveguides. The new writing technique is poised to enable miniature high-performance magneto-optical ...
Optics & Photonics
May 10, 2022
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On-chip circuit produces up to six microwave photons at the same time
A team of researchers with members from Universit´e Paris-Saclay, the University of Ulm and the Institute of Quantum Technologies has developed an on-chip circuit that produces up to six microwave photons at the same time. ...
A zero-cost way to improve neutron scattering resolution by 500%
Scientists pushing the limits of the world's most advanced neutron scattering instruments know that a small amount of distortion in their measurements is inevitable. For some experiments, this distortion is easily accounted ...
Optics & Photonics
May 09, 2022
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A new window into the world of attosecond phenomena
They are everywhere, around us and within us. Phenomena lasting trillionths of a second form the core of chemistry and biology. It is only recently that we have begun to try to accurately record their actual course, with ...
Optics & Photonics
May 09, 2022
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A review of 'classical entanglement' blurring the quantum-classical divide
Entanglement or non-separability constitutes a cornerstone of quantum mechanics from which many of its unique characteristics arise. For example, non-separability in entangled particle pairs leads to apparent instantaneous ...
Optics & Photonics
May 06, 2022
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More news
LOEN: Lensless opto-electronic neural network empowered machine vision
'Metalens' could disrupt vacuum UV market
Scientists invent topological-cavity surface-emitting laser
Single photon emitter takes a step closer to quantum tech
Researchers create flat magic window with liquid crystals
Highest degree of purity achieved for polarized X-rays
Metamaterial significantly enhances chiral nanoparticle signals
New nanotech imaging tool may allow smartphone disease diagnosis
'Atomic photon source' based on the movement of atoms
Light-infused particles go the distance in organic semiconductors
Ultrafast optical-magnetic memory device
Other news
A new law unchains fusion energy
New silicon nanowires can really take the heat
Marine ecologists warn of coral extinction by the end of the century
Friendly fungi announce themselves to their hosts
Aerodynamics of perching birds could inform aircraft design
Vine removal technique foils devastating grape disease
Previously unknown dolphin species were present in ancient Swiss ocean
A new guide to extremely powerful light pulses
Breakthrough for efficient and high-speed spintronic devices
Atomic terahertz-vibrations solve the enigma of ultrashort soliton molecules
A luminescent material that shines brighter when stretched or electrified
Deformation of hydrogel used to measure the negative pressure of water
Strong light-matter coupling in organic crystals
Phage therapy: A model to predict its efficacy against pathogenic bacteria
Study identifies first cellular 'chaperone' for zinc
A new mathematical model of cellular movement
Magnetic resonance makes the invisible visible
NASA's InSight still hunting marsquakes as power levels diminish
Chimpanzees found to combine calls to form numerous vocal sequences
