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Optics & Photonics news
Scientists capture light in a polymeric quasicrystal
ITMO University scientists have conducted several experiments to investigate polymeric quasicrystals that ultimately confirmed their initial theory. In the future, the use of quasicrystals may open up new possibilities for ...
Optics & Photonics
17 hours ago
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Piezoelectric and laser ultrasonic system takes 3-D ultrasound images of solids
A new system, developed by Tohoku University researchers in Japan in collaboration with Los Alamos National Laboratory in the US, takes 3-D images that can detect defects in metallic structures. The approach was published ...
Optics & Photonics
22 hours ago
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Atom billiards with X-rays: A new approach to look inside molecules
In 1921, Albert Einstein received the Nobel Prize in physics for the discovery that light is quantized, interacting with matter as a stream of particles called photons. Since these early days of quantum mechanics, physicists ...
Optics & Photonics
23 hours ago
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3-D camera earns its stripes
Stripes are in fashion this season at a Rice University lab, where researchers use them to make images that plain cameras could never capture.
Optics & Photonics
Sep 25, 2020
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A self-erasing chip for security and anti-counterfeit tech
Self-erasing chips developed at the University of Michigan could help stop counterfeit electronics or provide alerts if sensitive shipments are tampered with.
General Physics
Sep 24, 2020
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Optimizing of VCSEL photon lifetime for minimum energy consumption at varying bit rates
The explosive growth of internet use leads to an explosion of the energy consumption of data centers. Vertical cavity surface emitting lasers (VCSELs) are key enabling devices meeting the requirements of optical interconnects ...
Optics & Photonics
Sep 24, 2020
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Impurities enhance polymer LED efficiencies
Molecular dynamics simulations have shown that the mysteriously high efficiency of polymer LEDs arises from interactions between triplet excitons in their polymer chains, and unpaired electrons in their molecular impurities.
Optics & Photonics
Sep 24, 2020
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Converting lateral scanning into axial focusing to speed up 3-D microscopy
In optical microscopy, high-speed volumetric imaging is limited by either the slow axial scanning rate or aberrations introduced by the z-scanning mechanism. To overcome these limitations, scientists at UT Southwestern have ...
Optics & Photonics
Sep 23, 2020
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Photoacoustic microscopy for identifying sentinel lymph nodes of breast cancer
Tumor metastatic sentinel lymph nodes are difficult to distinguish from normal or inflamed lymph nodes (Inf-LN). Researchers designed a dual-targeting nanoparticle 5K-HA-HPPS for fluorescent/photoacoustic imaging of sentinel ...
Optics & Photonics
Sep 23, 2020
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Between relativistic and classical wave regimes, newly discovered memory effect alters the Doppler wave signature
Wave scattering appears practically everywhere in everyday life—from conversations across rooms, to ocean waves breaking on a shore, from colorful sunsets, to radar waves reflecting from aircraft. Scattering phenomena also ...
Optics & Photonics
Sep 22, 2020
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Parylene photonics enable future optical biointerfaces
Carnegie Mellon University's Maysam Chamanzar and his team have invented an optical platform that will likely become the new standard in optical biointerfaces. He's labeled this new field of optical technology "Parylene photonics," ...
Optics & Photonics
Sep 22, 2020
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242
Physicists create turnstile for photons
Physicists from Germany, Denmark, and Austria have succeeded in creating a kind of turnstile for light in glass fibers that allows the light particles to only pass through one at a time
Optics & Photonics
Sep 22, 2020
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Researchers combine photoacoustic and fluorescence imaging in tiny package
Researchers have demonstrated a new endoscope that uniquely combines photoacoustic and fluorescent imaging in a device about the thickness of a human hair. The device could one day provide new insights into the brain by enabling ...
Optics & Photonics
Sep 21, 2020
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Anti-resonant hollow-core optical fiber reduces 'noise'
A new hollow optical fiber greatly reduces the "noise" interfering with the signals it transmits compared to the single-mode fibers now widely used, researchers at the University of Rochester report.
Optics & Photonics
Sep 18, 2020
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Engineers produce a fisheye lens that's completely flat
To capture panoramic views in a single shot, photographers typically use fisheye lenses—ultra-wide-angle lenses made from multiple pieces of curved glass, which distort incoming light to produce wide, bubble-like images. ...
Optics & Photonics
Sep 18, 2020
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247
Resonant tunneling diode oscillators for terahertz-wave detection
A semiconductor device that is promising for both generating and detecting terahertz radiation has been demonstrated by physicists at RIKEN. This may aid the development of high-performance integrated solutions for terahertz ...
General Physics
Sep 18, 2020
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143
Lighting the way to infrared detection
EPFL physicists propose a new path to detect infrared radiation with outstanding sensitivity, allowing detection of signals as low as that of a single quantum of light.
General Physics
Sep 18, 2020
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274
All-optical method sets record for ultrafast high-spatial-resolution imaging
High-speed cameras can take pictures in quick succession. This makes them useful for visualizing ultrafast dynamic phenomena, such as femtosecond laser ablation for precise machining and manufacturing processes, fast ignition ...
Optics & Photonics
Sep 17, 2020
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Self-imaging of a molecule by its own electrons
One of the long-standing goals of research on the light-induced dynamics of molecules is to observe time-dependent changes in the structure of molecules, which result from the absorption of light, as directly and unambiguously ...
Optics & Photonics
Sep 17, 2020
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Space communication: developing a one photon-per-bit receiver using near-noiseless phase-sensitive amplification
During space-communication researchers require high-space intersatellite data transfer connectivity for deep-space missions while monitoring Earth. The technology is fundamentally influenced by available transmission power ...
More news
Researchers demonstrate record speed with advanced spectroscopy technique
Researchers 3-D print tiny multicolor microstructures
How to train a machine to see 3-D in the dark
Physicists make electrical nanolasers even smaller
Single photons from a silicon chip
Upgraded X-ray laser shows its soft side
Scientists develop a technique to dynamically curve a photon jet
First fiber-optic nanotip electron gun enables easier nanoscale research
Full-face readings can optimize fever screening with infrared thermographs
A phonon laser: Coherent vibrations from a self-breathing resonator
New ultrafast yellow laser poised to benefit biomedical applications
New light amplifier can boost the potential of photonics
Sound waves replace human hands in petri dish experiments
Researchers design system to visualize objects through clouds and fog
Other news
The realization of active microscale Marangoni surfers
New measurements show moon has hazardous radiation levels
Materials scientists learn how to make liquid crystal shape-shift
Marine heatwaves are human-made
Bird genes are multitaskers, say scientists
Back to Venus: Upstart company wants to beat NASA in search for life
Diagnostic tool for coronavirus makes significant step forward
New method allows precise gene control by light
A clearer view of what makes glass rigid
Phasing out a microscope's tricks
Researchers make tiny, yet complex fiber optic force sensor
Terahertz receiver for 6G wireless communications
Researchers use waveguides for sensitive protease monitoring
Reconfiguring microwave photonic filters without an external device
Opto-thermoelectric microswimmers
Electric current is manipulated by light in an organic superconductor
To make a better sensor, just add noise
Near-optimal chip-based photon source developed for quantum computing
Super-resolution imaging with diagonal sampling
Secure nano-carrier delivers medications directly to cells
Wolves have been caring for the pack for at least 1.3 million years
Primate brain size does not predict their intelligence
High-performance single-atom catalysts for high-temperature fuel cells
The surprising organisation of avian brains
