Using a cascaded architecture of gas-filled hollow-core fiber (HCF), bare lithium niobate (LN) crystal plate, and a specially designed chirped periodically poled lithium niobate crystal (CPPLN), researchers have demonstrated four-octave-spanning intense ultraviolet-visible-infrared (UV-Vis-IR) full-spectrum laser source with the energy of 0.54 mJ per pulse. The HCF-LN system can produce an intense one-octave bandwidth mid-IR laser [..]
Read MoreTo minimize the thickness of a camera lens and enable the fabrication of a high-resolution and high aspect ratio metasurface, a team created a water-soluble mold. This development has the potential to completely change smartphone camera technology, despite difficulties, including high production costs and complicated procedures. Nanoimprint lithography and electron beam lithography are two important [..]
Read MoreRecent patent approvals provide insight into anticipated improvements to future mixed-reality (MR) headsets. The patents highlight the commitment to user security and technical innovation by describing a multi-camera biometric imaging system and an automated selection procedure for the best biometric data. The patent for a multi-camera biometric imaging system describes the use of many cameras [..]
Read MoreResearchers created a nanosecond-scale volatile modulation system combining a phase-change material as a breakthrough for optical computing. The requirement for processing capacity has risen due to developments in computer vision and autonomous driving. The power and size constraints on current optical computer circuits have prompted the development of nonvolatile integrated photonics. Phase-change materials (PCMs) have [..]
Read MoreBecause of their distinctive porous atomic structures, zeolites are utilized in various industrial applications as catalysts, ion exchangers, and molecular sieves. However, because of poor electron irradiation resistance, direct study of zeolitic local atomic structures by electron microscopy is challenging. Their essential structure-property correlations are, therefore, yet uncertain. Optimal bright-field scanning transmission electron microscopy (OBF [..]
Read MoreCylindrical optical waveguides called optical MNFs have diameters below or very near the wavelength of light. Since its initial experimental demonstration, low-loss silica MNF has gained popularity in various fields, including optomechanics, nonlinear optics, optical sensors, and atom optics. The most efficient way to improve light-matter interaction and uncover new possibilities for both scientific study [..]
Read MoreAlthough generative AI systems now available have drawbacks that can restrict their usage, artificial intelligence appears ideal for producing the enormous amounts of pictures required to educate autonomous vehicles and other robots to observe their surroundings. Engineers have created a programmatic imaging software system to overcome these restrictions and quickly produce picture sets to prepare [..]
Read MoreA brand-new quantum photonics technique has been created by researchers to produce three-dimensional images using lasers, much as in Star Trek and Star Wars. Their goal was to capture and reconstruct incredibly weak light beams of just a single photon of light. This quantum photonics technology has the potential to transform 3D scene reconstruction and [..]
Read MoreWhen you think of gazing under a microscope, you usually image an amoeba, a human cell, or possibly a little bug on a glass slide. A new form of microscopy technique has been created, making examining the fundamental molecules that make up live creatures simpler. However, microscopes can see much more than these tiny living [..]
Read MoreResearchers have devised a simple method for reliably producing nanomaterials that resemble Swiss cheese. The approach needed to generate this porous material might aid in creating more sophisticated materials with applications in photocatalysis and optoelectronics. Low-density solids containing much space within their main body are known as porous materials. The vast surface area these gaps [..]
Read MoreResearchers have shown that chip-based biosensor devices that identify or evaluate chemicals have significantly improved. The accomplishments lay the foundation for highly sensitive portable integrated optofluidic sensing devices that could conduct different medical tests simultaneously, even if they involve very different bioparticles at different concentrations, like viral particles and DNA. Researchers gave an optofluidic chip-based [..]
Read MoreBy merging terahertz (THz) spectroscopy with real-time monitoring, scientists are putting forth a ground-breaking strategy to speed up the discovery of new materials. Electromagnetic waves, known as terahertz waves, can expose the mysteries of matter. They are capable of capturing quick changes in materials that are hidden from other radiation kinds. Scientists can now utilize [..]
Read MoreAccording to studies, blood biomarkers can enhance risk prediction for twelve illnesses over utilizing genetics alone. The study shows that ‘metabolomic’ risk scores created from these blood markers are often better disease risk indicators than genetic data alone. The study used over 200 biomarkers gathered from around half a million people across three large-scale biobanks. [..]
Read MoreWith the powerful imaging technology of in-vivo corneal confocal microscopy, researchers and doctors may now view the microstructures at the ocular surfaces in great detail. The cornea, a transparent dome-shaped tissue that makes up the front of the eye, is particularly densely innervated with sensory nerves. A method that can image corneal microstructures at various [..]
Read MoreAn innovative low-temperature technique for 3D printing optical-grade glass has been created by a research team, paving the way for microelectronic devices with high-resolution visible-light nanophotonics capabilities. High-precision optics and microelectronics might allow new navigation, communications, remote sensing technologies, and other applications. The materials that make up those platforms would be harmed by the high-temperature [..]
Read MoreResearchers have developed the first flexible, transparent augmented reality (AR) display screen using 3D printing and inexpensive materials. Creating the new display screen is expected to improve the usage of augmented reality in several fields and applications. By superimposing digital material over the physical world, augmented reality (AR) technology improves how users see and interact [..]
Read MoreScalable photonic quantum computing architectures require photonic processing devices. Such platforms rely on low-loss, high-speed, reconfigurable circuits and near-deterministic resource state generators. In a new report, a research team has developed an integrated photonic platform with thin-film lithium niobate. The scientists integrated the platform with deterministic solid-state single photon sources using quantum dots in nanophotonic [..]
Read MoreOver the past ten years, computational imaging has made significant advancements. The method combines cutting-edge hardware and algorithms to create photos that conventional cameras can’t catch. Researchers have created a revolutionary method called sparse holography that converts two-dimensional holograms into three-dimensional images using computational imaging techniques. They created a set of algorithms and techniques to [..]
Read MoreThe tiny visual systems of flying insects have inspired researchers to develop optoelectronic graded neurons for perceiving dynamic motion, enriching the functions of vision sensors for an agile response. With excellent energy efficiency, biological visual systems can accurately detect motion in a complex environment. In particular, flying insects can see objects moving quickly and have [..]
Read MoreResearchers have created a brand-new category of integrated photonic devices called “leaky-wave metasurfaces” that can transform the light that was once constrained in an optical waveguide into any optical pattern in free space. These devices’ simultaneous control of all four optical degrees of freedom—amplitude, phase, polarization ellipticity, and polarization orientation—is a global first. The devices [..]
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