Photonics and LED Lighting News

Accurate quantitative analysis of information loss from digital metasurfaces caused by mutual coupling

Research by Dr. Ruiwen Shao and Prof. Junwei Wu (Institute of Electromagnetic Space, Southeast University, Nanjing, China) teaches us about how digital metasurfaces lose information.

Posted on 21 February 2024 | 9:30 pm

14 parameters in one go: New instrument for optoelectronics

An HZB physicist has developed a new method for the comprehensive characterization of semiconductors in a single measurement. The "Constant Light-Induced Magneto-Transport (CLIMAT)" is based on the Hall effect and allows the recording of 14 different parameters of transport properties of negative and positive charge carriers.

Posted on 21 February 2024 | 4:20 pm

Throwing lithography a curve: Research introduces mask wafer co-optimization method

At the heart of advancing semiconductor chip technology lies a critical challenge: creating smaller, more efficient electronic components. This challenge is particularly evident in the field of lithography, the process used to create intricate patterns on semiconductor materials (called wafers) for the production of chips.

Posted on 20 February 2024 | 10:24 pm

7 Tips For Increasing Viewer Engagement During Live Streams

Many people (82% of them) would rather watch live movies than read other posts on social media. But a lot of people who watch live streams leave because they get bored quickly and find no interest due to poor streaming strategies. These are seven effective tips to get people to watch your live show. From […]

The post 7 Tips For Increasing Viewer Engagement During Live Streams appeared first on TechVibe.

Posted on 20 February 2024 | 7:57 pm

Quantum dark states lead to an advantage in noise reduction

While atomic clocks are already the most precise timekeeping devices in the universe, physicists are working hard to improve their accuracy even further. One way is by leveraging spin-squeezed states in clock atoms.

Posted on 19 February 2024 | 8:15 pm

Widefield diamond quantum sensing with neuromorphic vision sensors

A collaborative project has made a breakthrough in enhancing the speed and resolution of widefield quantum sensing, leading to new opportunities in scientific research and practical applications.

Posted on 19 February 2024 | 5:51 pm

IGanony: View Instagram Stories Anonymously

IGanony is a wonderful tool for sending Instagram Stories anonymously to viewers or downloading public content without upsetting the owners. It is the best alternative app. It is really quick and simple to use for everyone. What is IGanony, and why do we use it? IGanony is a web-based service that enables users to view […]

The post IGanony: View Instagram Stories Anonymously appeared first on TechVibe.

Posted on 19 February 2024 | 3:47 pm

Physicist's model and predictions may have applications in the new generation of superradiant lasers

Theoretical physicist Farokh Mivehvar has investigated the interaction of two collections of atoms emitting light inside a quantum cavity—an optical device consisting of two high-quality, tiny mirrors facing each other that confine the light within a small area for an extended time. The model and predictions can be implemented and observed in state-of-the-art cavity/waveguide-quantum-electrodynamics experiments and might have applications in the new generation of so-called superradiant lasers.

Posted on 19 February 2024 | 2:51 pm

Cookape: How to Get Free Instagram Followers in 2024

Cookape seems like a great name for your Instagram social network. Most individuals desire a large Instagram following on their account for a variety of reasons, such as boosting the amount of likes on their Instagram photos or becoming a popular company. So, in this content, we will assist you in your goal. There is […]

The post Cookape: How to Get Free Instagram Followers in 2024 appeared first on TechVibe.

Posted on 18 February 2024 | 7:17 pm

Harnessing light with hemispherical shells for improved photovoltaics

In the pursuit of sustainable energy solutions, the quest for more efficient solar cells is paramount. Organic photovoltaic cells have emerged as a promising alternative to traditional silicon-based counterparts due to their flexibility and cost-effectiveness. However, optimizing their performance remains a significant challenge.

Posted on 16 February 2024 | 7:04 pm

First operation of a two-color mode in an infrared free-electron laser

A technological milestone has been achieved at the Fritz Haber Institute (FHI) of the Max Planck Society in Berlin. For the first time, an infrared free-electron laser (FEL) has been operated in a two-color mode. This globally unique technology enables experiments with synchronized two-color laser pulses, opening up new possibilities in research.

Posted on 16 February 2024 | 6:47 pm

Researchers develop new integration technique for efficient coupling of III-V and silicon

Researchers at the Hong Kong University of Science and Technology (HKUST) have developed a new integration technique for efficient integration of III-V compound semiconductor devices and silicon, paving the way for photonic integration at low cost, large volume, and high speed and throughput that could revolutionize data communications.

Posted on 16 February 2024 | 6:39 pm

New chip opens door to AI computing at light speed

University of Pennsylvania engineers have developed a new chip that uses light waves, rather than electricity, to perform the complex math essential to training AI. The chip has the potential to radically accelerate the processing speed of computers while also reducing their energy consumption.

Posted on 16 February 2024 | 10:00 am

Fagerhult: Renovation projects keep the order bell ringing

Along with it goes smart lighting, which abets energy savings and profit margins. It overrides a fourth quarter sales and profit drop in the financial results. Meanwhile, no more horticulture.

Posted on 16 February 2024 | 12:00 am

Study shows promise of transceiver-based sensing for active monitoring of fiber networks

Researchers have successfully used a coherent transceiver prototype to detect polarization changes that preceded a cable break in a live network. The work, which is one of the first demonstrations of field-based measurements for an active cable break, shows the potential of transceiver-based sensing for actively monitoring and improving the stability of fiber networks.

Posted on 15 February 2024 | 9:55 pm

A new record for atom-based quantum computers: 1,000 atomic qubits and rising

Making quantum systems more scalable is one of the key requirements for the further development of quantum computers because the advantages they offer become increasingly evident as the systems are scaled up. Researchers at TU Darmstadt have recently taken a decisive step toward achieving this goal.

Posted on 15 February 2024 | 4:10 pm

Innovative technique reveals that leaping atoms remember where they have been

University of Oxford researchers have used a new technique to measure the movement of charged particles (ions) on the fastest ever timescale, revealing new insights into fundamental transport processes. These include the first demonstration that the flow of atoms or ions possesses a "memory." The study, "The persistence of memory in ionic conduction probed by nonlinear optics," has been published in Nature.

Posted on 15 February 2024 | 3:31 pm

Super-resolution microscopy harnesses digital display technology

In the ever-evolving realm of microscopy, recent years have witnessed remarkable strides in both hardware and algorithms, propelling our ability to explore the infinitesimal wonders of life. However, the journey towards three-dimensional structured illumination microscopy (3DSIM) has been hampered by challenges arising from the speed and intricacy of polarization modulation.

Posted on 14 February 2024 | 9:36 pm

A 'quantum leap' at room temperature: Ultra-low noise system achieves optical squeezing

In the realm of quantum mechanics, the ability to observe and control quantum phenomena at room temperature has long been elusive, especially on a large or "macroscopic" scale. Traditionally, such observations have been confined to environments near absolute zero, where quantum effects are easier to detect. But the requirement for extreme cold has been a major hurdle, limiting practical applications of quantum technologies.

Posted on 14 February 2024 | 4:00 pm

A new optical metamaterial makes true one-way glass possible

A new approach has allowed researchers at Aalto University to design a kind of metamaterial that has so far been beyond the reach of existing technologies. Unlike natural materials, metamaterials and metasurfaces can be tailored to have specific electromagnetic properties, which means scientists can create materials with features desirable for industrial applications.

Posted on 14 February 2024 | 3:23 pm

IN MEMORIAM | Remembering William ‘Bill’ Brown, Bill Brown Sales and A.L.P.

Brown and his wife grew the business from their family home in the 1950s, turning the small component sales agency into a well-known, one-stop firm for lighting OEMs.

Posted on 14 February 2024 | 12:00 am

New InP-based modulator with record-high bit rates could help move more data faster

As data traffic continues to increase, there is a critical need for miniaturized optical transmitters and receivers that operate with high-order multi-level modulation formats and faster data transmission rates.

Posted on 13 February 2024 | 10:05 pm

Terahertz spatiotemporal wave synthesis in random systems

A research team has developed a new technique that enables precise spatiotemporal control of terahertz waves as they pass through disordered materials.

Posted on 13 February 2024 | 3:24 pm

Optical invention mirrors the image processing power of a human eye

On a cold, sunny day, you're driving on a rural road, surrounded by snow-covered fields. In an instant, your eyes process the scene, picking out individual objects to focus on—a stop sign, a barn—while the rest of the scene blurs in the periphery. Your brain stores the focused and blurred images as a memory that can be pictured in your mind later, while sitting at your desk.

Posted on 13 February 2024 | 2:01 pm

New research opens avenues for more efficient and stable blue OLED displays

New research from scientists at Durham University reveals an unexpected pathway toward brighter, more efficient, and more stable blue organic light-emitting diodes (OLEDs).

Posted on 13 February 2024 | 10:00 am

Lighting scheme could eliminate a costly phase of cannabis growing

A research team says that indoor farms might skip vegetative stage and go straight to flowering.

Posted on 13 February 2024 | 12:00 am

Discord RTC Connecting: Fix Discord RTC Connecting

Do you have any experience connecting to Discord RTC? Many Discord users are unconcerned with its functionality. The top ten effective methods to fix the problem in 2024 are given in this post. One of the Discord app‘s largest features is the ability to connect with other gamers or streams via voice and video chat. […]

The post Discord RTC Connecting: Fix Discord RTC Connecting appeared first on TechVibe.

Posted on 12 February 2024 | 9:49 pm

Measuring exciton 'holes': Insights into charge transfer at atomically thin interfaces between semiconductors

Semiconductors are ubiquitous in modern technology, working to either enable or prevent the flow of electricity. In order to understand the potential of two-dimensional semiconductors for future computer and photovoltaic technologies, researchers from the Universities of Göttingen, Marburg and Cambridge investigated the bond that builds between the electrons and holes contained in these materials.

Posted on 12 February 2024 | 3:25 pm

Wearable LED tech immerses fans in Half-Time Show experience

Performer wristbands and VIP badges by PixMob illuminate the Super Bowl LVIII Half-Time performance.

Posted on 12 February 2024 | 12:00 am

12 Best OBD2 Scanner Apps for Android in 2024

OBD2 Scanner Apps for Android: Most cars and light trucks have onboard diagnostics, or some of the best OBD2 for Android connectors, which provide access to engine control unit (ECU) data. To acquire the data, you have to connect an external device. Most automobile types may be serviced using a single external device since the […]

The post 12 Best OBD2 Scanner Apps for Android in 2024 appeared first on TechVibe.

Posted on 11 February 2024 | 7:16 pm

Researchers demonstrate multi-photon state transfer between remote superconducting nodes

Over the past few decades, quantum physicists and engineers have been trying to develop new, reliable quantum communication systems. These systems could ultimately serve as a testbed to evaluate and advance communication protocols.

Posted on 10 February 2024 | 1:30 pm

Physicist advancing skin cancer screening and diagnosis using terahertz waves

Ahead of International Day of Women and Girls in Science this Sunday, 11 February, The University of Warwick is shining the spotlight on a physicist who is developing new technology to advance the diagnosis and screening of skin cancers.

Posted on 9 February 2024 | 7:16 pm

Unlocking quantum precision: Expanded superconducting strips for enhanced photon-counting accuracy

Using single photons as qubits has become a prominent strategy in quantum information technology. Accurately determining the number of photons is crucial in various quantum systems, including quantum computation, quantum communication, and quantum metrology.

Posted on 9 February 2024 | 5:48 pm

Sales and income fall, but automotive drives up ams Osram outlook

Orders are up for LED headlights, taillights, and interiors as carmakers go ever more digital. Horticulture could be coming back. What’s the latest on micro LEDs?

Posted on 9 February 2024 | 12:00 am

Education Unboxed: How Prefabricated Metal School Buildings Transform Learning Spaces

The integration of prefabricated metal school buildings represents a significant technological advancement in educational infrastructure. These structures are reshaping the traditional classroom environment through their scientific and technical innovations, offering efficient and adaptable learning spaces. This article discusses how a prefabricated metal building for school buildings is revolutionizing education. It explores the design intricacies, construction methods, […]

The post Education Unboxed: How Prefabricated Metal School Buildings Transform Learning Spaces appeared first on TechVibe.

Posted on 8 February 2024 | 6:18 pm

Neural network assisted high-spatial-resolution polarimetry with non-interleaved chiral metasurfaces

Polarimetry plays a key role in wide applications from remote sensing and astronomy to biology and microscopy. Traditional polarimetry systems are equipped with a set of polarizers, waveplates, beam-splitters or filters, making the systems bulky and complex.

Posted on 8 February 2024 | 5:42 pm

General deep learning framework for emissivity engineering

Wavelength-selective thermal emitters (WS-TEs) have been frequently designed to achieve desired target emissivity spectra, as in typical emissivity engineering, for broad applications such as thermal camouflage, radiative cooling, and gas sensing, etc.

Posted on 8 February 2024 | 5:17 pm

Versatile light control in WSe₂ achieved

Researchers have successfully manipulated distinct exciton species within a hybrid monolayer WSe2-Ag nanowire structure. By exploiting the unique valley-spin locked band structures and electron-hole configurations of TMDs, the team, led by Professor Hongxing Xu, Prof. Xiaoze Liu and Dr. Ti Wang from School of Physics and Technology, has taken a significant step toward practical photonic applications for optical information processing and quantum optics.

Posted on 8 February 2024 | 4:07 pm

Spiral-shaped lens provides clear vision at a range of distances and lighting conditions

Researchers have developed a spiral-shaped lens that maintains clear focus at different distances in varying light conditions. The new lens works much like progressive lenses used for vision correction but without the distortions typically seen with those lenses. It could help advance contact lens technologies, intraocular implants for cataracts and miniaturized imaging systems.

Posted on 8 February 2024 | 3:00 pm

Stable intense supercontinuum light generation from 1kHz femtosecond laser filamentation in air

Supercontinuum (SC) white light (the spectrum stretching from the near ultraviolet to the infrared wavelengths) has advanced ultrafast laser spectroscopy in condensed matter science, biology, physics and chemistry. Compared with the frequently-used photonic crystal fibers and bulk materials, femtosecond laser filamentation in gases is damage-immune for SC generation.

Posted on 8 February 2024 | 3:00 pm

Laser manufacturing of spatial resolution approaching quantum limit

Since early demonstrations of femtosecond laser as a three-dimensional (3D) processing tool, microdevices with exciting optical, electronic, mechanical, and magnetic functions have been manufactured, by which novel concepts from 3D quantum photonic integrated circuits to intelligent micro-robots are enabled.

Posted on 8 February 2024 | 2:58 pm

Canadian grower trialing far-red LEDs on mini cucumbers

The jury is still out on the spectra, but interest is picking up, as Red Sun taps variable wavelength system from Sollum, which has now signed up a cannabis farm as well.

Posted on 7 February 2024 | 12:00 am

LEDucation 2024 expands virtual programming

Online program takes place several days in advance of in-person event to capitalize on extended audience, while delivering a range of practical and thought-leadership seminars.

Posted on 7 February 2024 | 12:00 am

Best TR2 Games for Free: What Is TR2 Games?

What is TR2 Games? Dive deep into the rich realm of TR2 games, where amazing virtual adventures await. These games provide a multitude of interactive worlds just waiting for you to explore them, from their intriguing start to the dynamic current terrain. Highlights • TR2 games combine strategy and action, creating dynamic experiences in which […]

The post Best TR2 Games for Free: What Is TR2 Games? appeared first on TechVibe.

Posted on 4 February 2024 | 9:46 pm

S.W.A.T. Season 7: Overview What About You

S.W.A.T. Season 7 is the final installment of the famous CBS police series. The show chronicles the Los Angeles Police Department’s Special Weapons and Tactics squad, which is commanded by team commander Hondo (Shemar Moore). The final season of the show is set to premiere on February 16, 2024, and fans have been impatiently anticipating […]

The post S.W.A.T. Season 7: Overview What About You appeared first on TechVibe.

Posted on 3 February 2024 | 8:47 pm

Parliamentary group insists that Government take action on U.K. light pollution

The House of Lords Science and Technology Committee calls light pollution a health hazard in need of a national policy and detailed research.

Posted on 2 February 2024 | 12:00 am

Supply chain hangover caused the OEM stupor at Signify

Huge inventories among customers hammered financial results and helped lead to the recently announced corporate restructuring, CEO Rondolat explains.

Posted on 31 January 2024 | 12:00 am

LAST WORD | Osin founder pursues circadian accessibility for all

RALPH BOOTH explains how a subscription-driven product focused on an occupant’s area – rather than a whole-project retrofit approach – simplifies circadian-effective lighting and renders it more cost effective.

Posted on 30 January 2024 | 12:00 am

EMERGING TECHNOLOGY | Leveraging LED and 3D printing technology for a sustainable SSL paradigm – Part I

DON PEIFER examines how the industry can move from replicating linear fluorescent technology in commercial fixtures to 3D-printed replacements that revamp the lighting manufacturing and supply chain.

Posted on 30 January 2024 | 12:00 am

STANDARDS & PROGRAMS | TM66 delivers a metric for evaluating lighting circularity claims

BOB BOHANNON summarizes the driving forces and challenges in adopting circular principles in the lighting market, and describes what the TM66 Circular Economy Assessment Method offers to help lighting manufacturers achieve circularity with their fittings.

Posted on 30 January 2024 | 12:00 am

COMMENTARY | Miles to go before we sleep

During its 20 years, LEDs Magazine has covered a wealth of technology development. CARRIE MEADOWS looks ahead to new prospects for responsible lighting.

Posted on 30 January 2024 | 12:00 am

PROFILES IN LIGHTING | Crossroads LED

Crossroads LED pursues DarkSky compliance and high light quality for municipal outdoor lighting customers.

Posted on 30 January 2024 | 12:00 am

CONNECTIVITY | Connected emergency lighting simplifies code-required testing and maintenance

Connectivity infuses emergency lighting systems with advanced monitoring and testing features that strengthen reliability and enable adherence to code requirements, TOM STOLL and SEAN CASH explain.

Posted on 30 January 2024 | 12:00 am

INDUSTRY INSIGHTS | Shine bright, right wrongs: Revolutionize cities with quality streetlighting

Traffic engineer NICK MESLER provides background on former redlining practices, their impacts on local streetlighting infrastructure, and how municipal authorities can move beyond outdated equipment and deployment strategies to ensure all communities have the opportunity to thrive.

Posted on 30 January 2024 | 12:00 am

LIGHTSPEC | Product developers agree dupes hurt lighting innovation

Over on the LightSPEC website, HAYDEN BEESON learns from manufacturers that imitation lighting products can impact their business reputation.

Posted on 30 January 2024 | 12:00 am

PRODUCT SPOTLIGHT | Decorative & Accent Fixtures

A selection of decorative and accent fixtures delivers flexible features and streamlined appearance in interior/exterior applications.

Posted on 30 January 2024 | 12:00 am

Once again, Signify margins improve while sales and earnings fall

Bright spots emerge, as the horticultural slump could be over. But with geopolitics, world markets remain volatile across the company’s businesses

Posted on 26 January 2024 | 12:00 am

Dutch greenhouse studying effects of variable spectra on peppers

Partnering with Canada’s Sollum, the Delphy Improvement Center will also mix and match different irrigation systems to find the optimal combination of light and water.

Posted on 24 January 2024 | 12:00 am

New lighting conference zeroes in on carbon emissions reduction

Recolight and the Lighting Industry Association jointly announced the Net Zero Lighting Conference, created to aid the lighting industry in applying carbon-reduction strategies.

Posted on 24 January 2024 | 12:00 am

Architectural SSL evolves to LightSPEC

LightSPEC editor-in-chief Linda Becker explains the rebrand of Architectural SSL and its mission as a premier resource in the architectural lighting space.

Posted on 22 January 2024 | 12:00 am

OLEDWorks launches automotive brand

Other than Audi, customer wins have been scarce for its OLED technology. Is that about to change? The company also takes a swing at micro LEDs in the car sector.

Posted on 19 January 2024 | 12:00 am

800 Norwegian LED luminaires will circle their way to a North Sea wind farm

After a first stop in Holland, the ruggedized Glamox fittings will carry on to Poland and Denmark before final installation off the coast of England in the Dogger Bank.

Posted on 17 January 2024 | 12:00 am

Despite lower net sales, Acuity Brands posts high profit margins

CEO attributes company’s success to strategy focused on product vitality, service, technology, and productivity.

Posted on 16 January 2024 | 12:00 am