An optical coating like no other
For more than a century, optical coatings have been used to better reflect certain wavelengths of light from lenses and other devices or, conversely, to better transmit certain wavelengths through them. For example, the coatings on tinted eyeglasses.....»»
This is the world’s smallest 3D-printed wineglass, Swedish scientists claim
Scientists also made a tiny optical resonator for telecommunications out of silica glass Enlarge / The world’s smallest 3D-printed wineglass in silica glass (left) and an optical resonator for fiber optic telecommunication, pho.....»»
High-power optical continuous-wave waveguiding in a silica micro/nanofiber
Optical MNFs are cylindrical optical waveguides with diameter below or close to the wavelength of the light. Since its first experimental demonstration, low-loss silica MNF has been attracting increasing attention in wide applications from optical se.....»»
Study presents ultra-low threshold continuous-wave quantum dot mini-BIC lasers
Lasers with ultra-low threshold and compact size are highly desirable components in photonic integrated circuits, aiming at the application of optical communications, chip-scale solid-state LIDAR and quantum information. The general approach to reali.....»»
Razer undergoes desertification with its new PUBG: BATTLEGROUND collection
Razer's PUBG collab includes three of its best peripherals, like the lightning-fast Huntsman V2 Linear Optical Switch keyboard......»»
Dig Security adds OCR capabilities to detect sensitive customer data in image files
Dig Security announced it has added support for Optical Character Recognition (OCR) to the Dig Data Security Platform. Dig can now detect sensitive customer data in image files, such as passports and driver’s licenses, that are stored in multi-.....»»
Chemists develop sustainable method to remove "forever chemicals" from water
Perfluoroalkyl substances (PFAS) are highly versatile chemicals. These fluorine-containing organic molecules are the reason why rain drops simply slide off outdoor jackets. They are used in the greaseproof coating of paper food packaging and are key.....»»
Polarized imaging of dynamic light scattering to measure nanoparticle size, morphology, and distributions
A team of researchers proposed a fast and convenient method called polarized imaging dynamic light scattering (PIDLS) that quantitively evaluates nanoparticle size, morphology and distribution at the same time. A dimensionless quantity, named optical.....»»
Orbital angular momentum boosts multiplexed holography
Optical holography is a powerful method for recording and reconstructing complete optical field information, including intensity and phase. It has found extensive applications in various fields, such as optical display, imaging, data storage, encrypt.....»»
Photonic chip transforms single beam of light into multiple beams, each with a panoply of different properties
Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of laser light into a panoply of new beams, each with a host of different optical properties......»»
Best laptops with CD-DVD drives in 2023
Here are the best laptops with CD and DVD drives. Whether you've collected a huge library of DVDs that you want to watch on your computer or you have some old install discs, you're going to need an optical drive......»»
Research students turn Schrödinger"s cat on its head
Students at the Faculty of Physics of the University of Warsaw (UW) and researchers from the QOT Center for Quantum Optical Technologies have developed an innovative method that allows the fractional Fourier Transform of optical pulses to be performe.....»»
Engineers develop first-of-its-kind integrated optical isolator
An optical isolator developed at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) could drastically improve optical systems for many practical applications......»»
Neural wavefront shaping camera overcomes light scattering problem in optical imaging
Engineers from Rice University and the University of Maryland have created full-motion video technology that could potentially be used to make cameras that peer through fog, smoke, driving rain, murky water, skin, bone and other media that reflect sc.....»»
Monolithically integrated semiconductor lasers with silicon photonic circuits
Silicon (Si) photonics has recently emerged as a key enabling technology in many application fields thanks to the mature Si process technology, the large silicon wafer size, and Si optical properties. However, the inability of Si-based materials to e.....»»
Broadband and continuous wave pumped second-harmonic generation from microfiber coated with layered GaSe crystal
Second-order optical nonlinear effects have received widespread attention from researchers since its first discovery in the 1960s......»»
Novel method for producing thin metasurfaces with a diameter of almost 30 centimeters
Bye-bye lens, hello metasurface. So-called metasurfaces can help to make optical systems thinner in the future, while at the same time increasing their functionality......»»
Investigating dark matter interactions using optical atomic clocks
Can dark matter interact with photons and influence atomic structure? A case for optical atomic clocks: Two different types of such clocks were compared at the Physikalisch-Technische Bundesanstalt (PTB) within the scope of the Collaborative Research.....»»
Liquid metal could turn everyday things like paper into smart objects
This futuristic new liquid metal coating can make ordinary objects extraordinary. Enlarge (credit: LEONELLO CALVETTI/SCIENCE PHOTO LIBRARY) While paper isn’t exactly a smart material, it someday could be if it is cover.....»»
Photonic integration: Transforming the future of chip-scale applications
In the realm of photonics, the integration of multiple optical devices onto a single substrate holds immense promise for a wide range of applications. This revolutionary approach, known as photonic integration, offers remarkable advantages, including.....»»
1RXS J165424.6-433758 is a polar, new observations find
An international team of astronomers has performed X-ray, ultraviolet, and optical observations of an X-ray source known as 1RXS J165424.6-433758. Results of the observational campaign, published June 8 on the pre-print server arXiv, shed more light.....»»