In a recent study, researchers have developed a compound metalens that enables distortion-free imaging. The study, published in Engineering, presents a novel approach to on-demand distortion engineering using compound metalenses.
Posted on 15 November 2024 | 7:35 pm
Modern imaging systems, such as those used in smartphones, virtual reality (VR), and augmented reality (AR) devices, are constantly evolving to become more compact, efficient, and high-performing. Traditional optical systems rely on bulky glass lenses, which have limitations like chromatic aberrations, low efficiency at multiple wavelengths, and large physical sizes. These drawbacks present challenges when designing smaller, lighter systems that still produce high-quality images.
Posted on 15 November 2024 | 7:34 pm
Alongside carbon dioxide, methane is a key driver of global warming. To detect and monitor the climate pollutants in the atmosphere precisely, scientists at the Max Planck Institute for the Science of Light (MPL) have developed an advanced laser technology.
Posted on 15 November 2024 | 6:12 pm
Addressing the challenge of controlling electronic states in materials, the scientific community has been exploring innovative methods. Recently, researchers from Peking University, led by Professor Nanlin Wang, in collaboration with Professor Qiaomei Liu and Associate Research Scientist Dong Wu, uncovered how ultrafast lasers can manipulate non-volatile, reversible control over the electronic polar states in the charge-density-wave material EuTe4 at room temperature.
Posted on 15 November 2024 | 6:10 pm
A group of South Korean researchers has successfully developed an integrated quantum circuit chip using photons (light particles). It is a system capable of controlling eight photons using a photonic integrated-circuit chip. With this system, they can explore various quantum phenomena, such as multipartite entanglement resulting from the interaction of the photons.
Posted on 14 November 2024 | 4:55 pm
For a wide variety of emerging quantum technologies, such as secure quantum communications and quantum computing, quantum entanglement is a prerequisite. Scientists at the Max-Planck-Institute for the Science of Light (MPL) have now demonstrated a particularly efficient way in which photons can be entangled with acoustic phonons.
Posted on 14 November 2024 | 3:56 pm
Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow. The discovery challenges the traditional understanding of shadows and opens new possibilities for technologies that could use a laser beam to control another laser beam.
Posted on 14 November 2024 | 1:48 pm
A new study published in Physical Review Letters and led by researchers from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) has demonstrated that a Coulomb explosion induced by highly charged ions is a unique tool for precisely imaging the structures of complex molecules.
Posted on 13 November 2024 | 4:48 pm
An international research team has for the first time designed realistic photonic time crystals––exotic materials that exponentially amplify light. The breakthrough opens up exciting possibilities across fields such as communication, imaging and sensing by laying the foundations for faster and more compact lasers, sensors and other optical devices.
Posted on 12 November 2024 | 4:40 pm
A research team has developed an advanced continuous rotational scanning photoacoustic computed tomography (PACT) system for rapid imaging of living organisms. The research is published in the journal Laser & Photonics Reviews.
Posted on 11 November 2024 | 6:20 pm
Much of modern life depends on the coding of information into means of delivering it. A common method is to encode data in laser light and send it through optic cables. The increasing demand for more information capacity demands that we constantly find better ways of encoding it.
Posted on 11 November 2024 | 6:20 pm
An innovative planar spoof plasmonic neural network (SPNN) platform capable of directly detecting and processing terahertz (THz) electromagnetic signals has been unveiled by researchers at City University of Hong Kong (CityUHK) and Southeast University in Nanjing.
Posted on 11 November 2024 | 3:08 pm
Researchers from Skoltech, the University of Warsaw, and the University of Iceland have demonstrated that by optical means it is possible to excite and stir an exciton-polariton condensate, which emits a linearly polarized light with a polarization axis following the stirring direction.
Posted on 5 November 2024 | 12:02 pm
Two-photon vision is a novel method with great potential for the future of ophthalmic diagnostics. Although it has many advantages, it requires improvement in key areas. International Centre for Eye Research (ICTER) scientists have taken a step forward by improving this technology and opening up new perspectives in ocular medicine.
Posted on 4 November 2024 | 8:51 pm
Using simple circuitry, polarizing film, and LEGO toy bricks, an undergraduate physics student from the Ateneo de Manila University built an improvised polarimeter that can optically assess the purity of Vitamin C (ascorbic acid) and other chiral substances.
Posted on 4 November 2024 | 4:05 pm
Scientists have taken inspiration from the way sunlight passes through clouds to discover an entirely new way of controlling and guiding light.
Posted on 1 November 2024 | 3:31 pm
A U.S. Naval Research Laboratory (NRL) multi-disciplinary team developed a new paradigm for the control of quantum emitters, providing a new method for modulating and encoding quantum photonic information on a single photon light stream.
Posted on 31 October 2024 | 6:15 pm
Enough landmines are buried underground worldwide to circle Earth twice at the equator, but the identification and removal of these explosives is costly and time-consuming.
Posted on 31 October 2024 | 3:15 pm
Researchers have developed a new ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs with an unprecedented one million comb lines, providing exceptional spectral resolution. The new approach, which also produces extremely accurate and stable frequencies, could enhance high-resolution atomic and molecular spectroscopy.
Posted on 31 October 2024 | 4:00 am
The conservation law is a fundamental tool that significantly aids our quest to understand the world, playing a crucial role across various scientific disciplines. Particularly in strong-field physics, these laws enhance our comprehension of atomic and molecular structures as well as the ultrafast dynamics of electrons.
Posted on 30 October 2024 | 7:00 pm
In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to Earth using light. But in order for the signals to reach all the way and not be disturbed along the way, hypersensitive receivers and noise-free amplifiers are required.
Posted on 30 October 2024 | 4:50 pm
A team of researchers from the University of California, Los Angeles (UCLA) has unveiled a new development in optical imaging technology that could significantly enhance visual information processing and communication systems.
Posted on 28 October 2024 | 1:21 pm
A team led by Prof. Sun Haiding from the University of Science and Technology of China (USTC) developed a vertically integrated micro-scale light-emitting diode (micro-LED) array which was then applied in deep ultraviolet (DUV) maskless photolithography system for the first time. Their study was published in Laser & Photonics Reviews.
Posted on 25 October 2024 | 5:52 pm
An Aston University researcher has developed a new technique using light that could revolutionize non-invasive medical diagnostics and optical communication. The research showcases how a type of light called the orbital angular momentum (OAM) can be harnessed to improve imaging and data transmission through skin and other biological tissues.
Posted on 25 October 2024 | 5:51 pm
The Attosecond Science group at the Center for Free-Electron Laser Science has developed a novel light source capable of producing extremely short pulses for the investigation of UV-induced molecular dynamics with unprecedented temporal resolution. Scientists from the University of Hamburg and from DESY describe their unique observations in an article published in Nature Communications.
Posted on 25 October 2024 | 4:39 pm
For the first time, EPFL researchers have exclusively observed molecules participating in hydrogen bonds in liquid water, measuring electronic and nuclear quantum effects that were previously accessible only via theoretical simulations.
Posted on 25 October 2024 | 3:02 pm
For the first time ever, scientists at Paderborn University have used high-performance computing (HPC) at large scales to analyze a quantum photonics experiment. In specific terms, this involved the tomographic reconstruction of experimental data from a quantum detector. This is a device that measures individual photons.
Posted on 24 October 2024 | 8:20 pm
Researchers have developed a faster and more accurate method for acquiring and reconstructing high-quality 3D surface measurements. The approach could greatly improve the speed and accuracy of surface measurements used for industrial inspection, medical applications, robotic vision and more.
Posted on 24 October 2024 | 3:37 pm
Researchers Takuma Nakamura, Kazuki Hashimoto, and Takuro Ideguchi of the Institute for Photon Science and Technology at the University of Tokyo have increased by 100-fold the measurement rate of Raman spectroscopy, a common technique for measuring the "vibrational fingerprint" of molecules in order to identify them.
Posted on 23 October 2024 | 7:47 pm
For the first time, an international cadre of electrical engineers has developed a new method for photonic in-memory computing that could make optical computing a reality in the near future.
Posted on 23 October 2024 | 6:44 pm
ALEX PRICE and GARY STEINBERG explain how well-designed LED lighting schemes can improve public safety, engage citizens, and boost local economies.
Posted on 23 October 2024 | 2:25 pm
L-Prize Phase III requirements and bonus points demonstrate DOE’s emphasis on practical advances for people and the planet, writes PNNL’s KATE HICKCOX.
Posted on 15 October 2024 | 8:32 pm
In an adaptive reuse project, Luminis pendants deliver soft direct and indirect illumination to balance the interior rooted in a more industrial style.
Posted on 2 October 2024 | 5:22 pm
Pedestrian bridge features color-changing lighting to help ensure safe passage over busy interstate while adding beacon of radiant light on city skyline.
Posted on 2 October 2024 | 2:49 pm
New hires demonstrate the breadth of exciting opportunities in the North American lighting and controls market.
Posted on 17 September 2024 | 9:21 pm
POOK VILLEGAS introduces the basics of lighting simulation software for designers who are just starting out.
Posted on 16 September 2024 | 9:17 pm
When properly planned, large retail projects can benefit from the improved illumination, energy savings, low maintenance, reduced downtime, and lower costs of LED lighting retrofits.
Posted on 11 September 2024 | 4:54 pm
PNNL researchers compare the effectiveness and energy use of GUV to other methods for meeting CDC and ASHRAE guidelines on indoor air quality.
Posted on 28 August 2024 | 4:59 pm
DLC’s LUNA guidance gets a nod from the GSA, as the consortium shares study findings that elaborate on energy/cost benefits of qualified outdoor lighting.
Posted on 15 August 2024 | 10:31 pm
Technology startup founder SARAH MORGAN opens a series about circadian lighting opportunities with a call for readers to vote on covered project findings.
Posted on 7 August 2024 | 6:17 pm
LED developers continue to push performance in compact emitters, digging in to refine thermal management and optical designs for a range of use cases.
Posted on 5 August 2024 | 8:03 pm
ZHAGA CONSORTIUM members summarize how replaceable components prolong the useful life of luminaires and contribute to a circular economy.
Posted on 25 July 2024 | 1:34 pm
Any sustainability initiative must include protection of night skies, says the nonprofit, as it joins forces with LUCI.
Posted on 23 July 2024 | 4:56 pm
A name change is coming at owner SGH to reflect the computing emphasis. SK Telecom invests $200 million for AI development, soon after SGH boss says LED industry will likely consolidate. Is Cree in or out?
Posted on 18 July 2024 | 9:17 pm
DLC program director LIESEL WHITNEY-SCHULTE condenses the core industry initiatives in which the DLC participates to inform standards development and product assessment criteria.
Posted on 17 July 2024 | 12:56 pm
High-bay lighting from Luminis contributes to a unique restaurant aesthetic in Earl Giles Distillery production space.
Posted on 16 July 2024 | 7:53 pm
RAC secured a commitment from the Conservative Party. With Labour now in power, there’s no guarantee the research will continue.
Posted on 15 July 2024 | 6:11 pm
Will owner SGH sell the venerable chip maker? Or is it looking to buy?
Posted on 11 July 2024 | 5:36 pm
Cree LED president JOE CLARK credits manufacturing outsourcing, application-specific advances, and a collaborative R&D facility with bolstering the LED developer through challenges.
Posted on 10 July 2024 | 12:00 pm
The Montreal company partners with Pittsburgh’s Leaficient to enhance the SUN as a Service offering.
Posted on 9 July 2024 | 8:06 pm
So say the authors of a new paper that is bound to stir controversy.
Posted on 5 July 2024 | 4:23 pm
Recycled aluminum, reusability, and night sky protection all factor into a rugged new wall-mounted line.
Posted on 3 July 2024 | 3:49 pm
Not all recycling is created equal. A pilot project involving a sprawling Oslo office park yields promising results.
Posted on 28 June 2024 | 12:00 pm
The LIA and consultancy 42 Partners Limited reveal some “dirty secrets” regarding photometric data and explain how results can be cleaned up to improve software tools and, in turn, design outcomes.
Posted on 27 June 2024 | 2:24 pm
The world’s largest lighting provider will be insisting on eco practices when it negotiates with its vendors.
Posted on 26 June 2024 | 3:23 pm