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"Flipping" optical wavefront eliminates distortions in multimode fibers

The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk......»»

Category: topSource:  physorgMay 10th, 2021

Astronomers discover new almost dark galaxy

By analyzing deep optical imagery from the IAC Stripe 82 Legacy Project, an international team of astronomers has serendipitously discovered a new almost dark galaxy. The newfound galaxy, dubbed "Nube," has a very low surface brightness and is as mas.....»»

Category: topSource:  physorgRelated NewsOct 25th, 2023

Doing laundry by hand sheds just as many microfibers as machine washing—new research

Between 6,500 and 87,000 tons of microfibers are shed during domestic laundering every year in the UK. Many of these minuscule fibers end up in rivers and oceans, with devastating consequences for aquatic animals and environments......»»

Category: topSource:  physorgRelated NewsOct 24th, 2023

Researchers demonstrate a high-speed electrical readout method for graphene nanodevices

Graphene is well-known for its high electrical conductivity, mechanical strength, and flexibility. Stacking two layers of graphene with atomic layer thickness produces bilayer graphene, which possesses excellent electrical, mechanical, and optical pr.....»»

Category: topSource:  physorgRelated NewsOct 20th, 2023

Realizing vertical ultraviolet-B semiconductor laser diodes for high optical output

Ultraviolet (UV) rays are electromagnetic waves with wavelengths ranging from 100 to 380 nanometers (nm). These wavelengths can be classified into three regions: UV-A (315–380 nm), UV-B (280–315 nm), and UV-C (100–280 nm), with the latter two c.....»»

Category: topSource:  physorgRelated NewsOct 20th, 2023

Chaos Raman distributed optical fiber sensing

The timeliness and accuracy of detection technology is directly related to the safety of people's lives and property. In the application of this technology, temperature is a physical quantity that must to be focused on. Compared with other temperatur.....»»

Category: topSource:  physorgRelated NewsOct 19th, 2023

Exploring optical properties of hollow cirrus clouds for enhanced lidar data interpretation

Researchers led by Prof. Wang Zhenzhu from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences and their collaborators have explored the optical properties of hollow cirrus clouds for enhanced lidar data interpretation, with a.....»»

Category: topSource:  pcmagRelated NewsOct 19th, 2023

Large language models prove helpful in peer-review process

In an era plagued by malevolent sources flooding the internet with misrepresentations, distortions, manipulated imagery and flat-out lies, it should come as some comfort that in at least one arena there is an honor system set up to ensure honesty and.....»»

Category: topSource:  pcmagRelated NewsOct 19th, 2023

Manipulating collective motions of electrons and solvent molecules in a polar liquid

Researchers at the Max-Born-Institute have now mapped the linear and nonlinear optical polaron response using ultrafast two-dimensional spectroscopy in the THz frequency range. As they discuss in the current issue of Physical Review Letters, multi-ph.....»»

Category: topSource:  physorgRelated NewsOct 19th, 2023

Researchers develop an innovative microscope platform to unveil the intricacies of skeletal muscle regeneration

Researchers at the Hong Kong University of Science and Technology (HKUST) have created a cutting-edge platform consisting of a dual-laser nonlinear optical microscope to investigate the dynamics of muscle satellite cells (MuSCs) during the process of.....»»

Category: topSource:  physorgRelated NewsOct 19th, 2023

Widely tunable and high resolution mid-infrared laser based on optical parametric oscillator

A widely tunable and high resolution mid-infrared radiation source operating in the 3–5 µm region has been applied to numerous frontier applications, including remote sensing, molecular spectroscopy, and atmosphere environmental monitoring......»»

Category: topSource:  physorgRelated NewsOct 18th, 2023

New photonic chips for high-capacity data transmissions

With the growth in artificial intelligence (AI), 5G systems, cloud computation, and the Internet of Things, transmitters with extremely high capacities are required for data communication. Ultrafast optical modulation is an essential technology for h.....»»

Category: topSource:  physorgRelated NewsOct 17th, 2023

Study shows forensic evidence can survive underwater for weeks

Forensic fibers can survive underwater for much longer than previously thought—which could help criminal investigators uncover vital evidence......»»

Category: topSource:  physorgRelated NewsOct 16th, 2023

"Taylor Swift: The Eras Tour" invites fans to dance, sing, and flip in movie theater aisles

Taylor Swift's 'The Eras Tour' concert movie brought Swifties to the theatres, as several viral videos of fans singing, dancing, and flipping take over our timelines — including one of Taylor Lautner. Welcome to the world post-Taylor Swift: T.....»»

Category: topSource:  mashableRelated NewsOct 16th, 2023

Multiview almost fixes one of the biggest problems with YouTube TV

Channel flipping isn't as quick to do on streaming services, and maybe that isn't a bad thing. But Multiview almost makes for a perfect substitute......»»

Category: topSource:  digitaltrendsRelated NewsOct 14th, 2023

Local chemical pressure experimentally sensed by optical probe

The practical application of high-pressure metastable materials is hindered by severe synthesis condition, poor yield, and mostly vanishing phase and phenomena after decompressing. The scaled-up capture of these metastable states to ambient pressure.....»»

Category: topSource:  informationweekRelated NewsOct 13th, 2023

High-speed electro-optic modulation in topological interface states of a one-dimensional lattice

Electro-optic modulators, which convert signals from the electrical to the optical domain, are at the heart of optical communications, terahertz wireless communications, microwave signal processing, and quantum technology. Next-generation electro-opt.....»»

Category: topSource:  physorgRelated NewsOct 12th, 2023

Uncovering the secrets of spin-orbit optical Rabi oscillations

The Rabi oscillation has been proven to be one of the cornerstones of quantum mechanics, triggering substantial investigations in different disciplines including atomic and molecular physics, acoustics, and optics. Various important applications have.....»»

Category: topSource:  physorgRelated NewsOct 12th, 2023

New easy-to-use optical chip can self-configure to perform various functions

Researchers have developed an easy-to-use optical chip that can configure itself to achieve various functions. The positive real-valued matrix computation they have achieved gives the chip the potential to be used in applications requiring optical ne.....»»

Category: topSource:  marketingvoxRelated NewsOct 11th, 2023

Creating a broadband diffractive graphene orbital angular momentum metalens by laser nanoprinting

Optical beams carrying orbital angular momentum (OAM) attract widespread attention and play an important role in optical data storage, optical communications, quantum information processing, super-resolution imaging, and optical trapping and manipula.....»»

Category: topSource:  pcmagRelated NewsOct 11th, 2023

Scientists demonstrate electrically tunable microlens array using simple PSCOF approach

Microlens arrays are one of the key elements that are promising in autostereoscopic display, optical communication, wavefront sensing, integral imaging, etc. For example, microlens arrays are the critical components in integral imaging, which are use.....»»

Category: topSource:  theglobeandmailRelated NewsOct 11th, 2023