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Optics & Photonics news
Research team resolves decades-long problem in microscopy
When viewing biological samples with a microscope, the light beam is disturbed if the lens of the objective is in a different medium than the sample. For example, when looking at a watery sample with a lens surrounded by ...
Optics & Photonics
11 hours ago
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114
First curved data link side-steps key 6G wireless challenge
Next-generation wireless signals will no longer emanate indiscriminately from a base station as is the case now but will likely take the form of targeted directional beams. However, any physical interference—an object or ...
General Physics
15 hours ago
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Dual-beamline photoelectron momentum microscopy upgrade advances valence orbital analysis
The world's first dual-beamline photoelectron momentum microscope has been developed at the UVSOR Synchrotron Facility, Japan. This innovative experimental station brings breakthroughs in studying the behavior of electrons ...
Condensed Matter
Apr 17, 2024
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44
Improved mid-infrared nanoscopy enables 30 times clearer view of the insides of bacteria
A team at the University of Tokyo have constructed an improved mid-infrared microscope, enabling them to see the structures inside living bacteria at the nanometer scale. Mid-infrared microscopy is typically limited by its ...
Optics & Photonics
Apr 17, 2024
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Gigahertz-rate switchable wavefront shaping by LNOI-empowered metasurface
Over the past decade, metasurfaces deploying two-dimensional artificial nanostructures have emerged as a groundbreaking platform to manipulate light across various degrees of freedom. These metasurfaces exhibit significant ...
Optics & Photonics
Apr 16, 2024
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A universal path for converting light into current in solids
Researchers have long wondered whether light can be efficiently converted into electricity. Realistic and efficient methods to generate electricity from light, photocurrent, has numerous potential applications in the clean ...
Condensed Matter
Apr 16, 2024
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132
Attosecond imaging made possible by short and powerful laser pulses
Extremely short pulses of laser light with a peak power of 6 terawatts (6 trillion watts)—roughly equivalent to the power produced by 6,000 nuclear power plants—have been realized by two RIKEN physicists. This achievement ...
Optics & Photonics
Apr 16, 2024
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Researchers control quantum properties of 2D materials with tailored light
A team of scientists has developed a method that harnesses the structure of light to twist and tweak the properties of quantum materials. Their results, published today in Nature, pave the way for advancements in next generation ...
Optics & Photonics
Apr 15, 2024
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182
Internet can achieve quantum speed with light saved as sound
Researchers at the University of Copenhagen's Niels Bohr Institute have developed a new way to create quantum memory: A small drum can store data sent with light in its sonic vibrations, and then forward the data with new ...
Optics & Photonics
Apr 15, 2024
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197
Designing a cost-effective X-ray free electron lasers facility
Many advances in structural science since the 1970s were made by probing materials with synchrotron radiation: that is, high energy X-rays generated through accelerating high-energy electrons. The latest generation of such ...
General Physics
Apr 12, 2024
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40
A compact metasurface array-based system for single-shot spectroscopic ellipsometry measurement
Spectroscopic ellipsometry is widely adopted in semiconductor processing, such as in the manufacturing of integrated circuits, flat display panels, and solar cells. However, a conventional spectroscopic ellipsometer, as shown ...
Optics & Photonics
Apr 11, 2024
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Efficiency boost: Dual light pulses minimize energy for phase transitions
Researchers have explained the mechanisms behind a counterintuitive phenomenon: Making a phase transition effective requires less energy if it is initiated by two pulses of light instead of just one. The energy needed to ...
Condensed Matter
Apr 11, 2024
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161
New technological advance for fast and efficient 3D imaging of objects
A team of experts from the University of Barcelona and the company Sensofar Tech have designed an innovative technology to obtain three-dimensional images of a study sample quickly, accurately and non-invasively. The work ...
Optics & Photonics
Apr 11, 2024
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Team reports on ultrafast laser state active controlling based on anisotropic quasi-1D material
Tunable ultrafast lasers with adjustable parameters, such as wavelength, intensity, pulse width and laser states are desirable as next-generation intelligent light sources. Due to complex nonlinear effects within the ultrafast ...
Optics & Photonics
Apr 10, 2024
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Novel UV broadband spectrometer improves air pollutant analysis
Sunlight has a major influence on chemical processes. Its high-energy UV radiation in particular is strongly absorbed by all materials and triggers photochemical reactions of the substances present in the air. A well-known ...
Optics & Photonics
Apr 10, 2024
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Electro-optic 3D snapshot of a laser wakefield accelerated kilo-ampere electron bunch
Invented by T. Tajima and J. Dawson, laser wakefield acceleration (LWFA) harnesses the power of high-intensity laser pulses to drive plasma waves with acceleration gradients orders of magnitude higher than conventional RF-based ...
Optics & Photonics
Apr 9, 2024
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Research team exerts electrical control over polaritons, hybridized light-matter particles, at room temperature
A research team has pioneered an innovative technique in ultra-high-resolution spectroscopy. Their breakthrough marks the world's first instance of electrically controlling polaritons—hybridized light-matter particles—at ...
Optics & Photonics
Apr 9, 2024
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148
Advancing real-time 3D holographic display: A new method for computer-generated holography
Holographic displays offer a promising avenue for achieving lifelike 3D reproductions with continuous depth sensation, holding potential applications in fields such as entertainment, medical imaging, and virtual reality. ...
Optics & Photonics
Apr 8, 2024
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43
Microprinting millions of microparticles in the blink of an eye through multi-photon 3D laser printing
Multi-photon 3D laser printing has revolutionized miniature fabrication, but limitations in speed and material compatibility have held it back. Now, researchers have taken a giant leap forward, achieving a tenfold increase ...
Optics & Photonics
Apr 8, 2024
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High-performance terahertz modulators induced by substrate field in Te-based all-2D heterojunctions
High-performance active terahertz (THz) modulators are of great importance for next generation communication technology. However, they currently suffer from the tradeoff between modulation depth and speed.
Condensed Matter
Apr 8, 2024
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More news
Atom interferometer charters Navy's inertial navigation path to reduce drift
Surface emitting semiconductor laser achieves efficiency breakthrough
Researchers visualize quantum effects in electron waves
Intelligent liquid: Researchers develop metafluid with programmable response
Classical optical neural network exhibits 'quantum speedup'
Focusing ultra-intense lasers to a single wavelength
Researchers use smartphone screen to create 3D layered holographic images
Old crystal, new story for enhancing deep ultraviolet laser performance
Research team realizes magnonic frequency comb
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Smoother surfaces make for better accelerators
Materials follow the 'Rule of Four,' but scientists don't know why yet
Invasive species sound off about impending ecosystem changes
Discovery of new ancient giant snake in India
Team creates cooperative exciton-polariton condensate
A novel liquid crystal-based tunable dielectric metasurface
Romania center explores world's most powerful laser
An ultracompact multimode meta-microscope
New topological metamaterial amplifies sound waves exponentially
