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.....»»
Overcoming optical loss in a polariton system with synthetic complex frequency waves
A collaborative research team co-led by Professor Shuang Zhang, the Interim Head of the Department of Physics, The University of Hong Kong (HKU), along with Professor Qing DAI from National Center for Nanoscience and Technology, China, has introduced.....»»
Users Clamor for Return of Physical Fingerprint Readers
The biometric hierarchy for unlocking your smartphone appears to be the following: Physical fingerprint reader, ultrasonic fingerprint reader, optical fingerprint reader, and then below those everything else. At least, that’s what users on the.....»»
Researchers develop hybrid superamphiphobic anti-corrosion and anti-icing coating
Corrosion and failure of metal materials has been a problem that researchers and engineers are eager to solve. Inspired by the lotus effect, biomimetic superhydrophobic materials with typical non-wetting properties at the interface have shown great p.....»»
Attaching ZEISS Optical Inserts to an Apple Vision Pro requires special pairing process
Apple has partnered with ZEISS to provide corrective lenses made specifically for Vision Pro, and customers can buy these optical inserts directly from Apple when ordering a Vision Pro. However, what some people may not know is that the device requir.....»»
Performing complex-valued linear transformations using spatially incoherent diffractive optical networks
The bulk of the computing in state-of-the-art neural networks comprises linear operations, e.g., matrix-vector multiplications and convolutions. Linear operations can also play an important role in cryptography. While dedicated processors such as GPU.....»»
Astronomers investigate the properties of a peculiar cataclysmic variable
Astronomers from Turkey and Russia have performed optical observations of a magnetic cataclysmic variable known as SRGA J213151.5+491400. Results of the observational campaign, presented Jan. 11 on the pre-print server arXiv, yield important insights.....»»
Apple Vision Pro buyers being notified about having their prescriptions verified by ZEISS
Pre-orders for the Apple Vision Pro began this Friday in the United States, with prices starting at $3,499. Customers can also buy some accessories, such as a Travel Case and ZEISS corrective lenses. To buy these optical inserts, customers must uploa.....»»
Apple Vision Pro custom engraving offered on optical inserts from ZEISS
There’s lots of new Apple Vision Pro info out today as Apple starts collecting pre-orders in the United States. The most exciting detail? You can totally engrave your name on those optical inserts from ZEISS if you need corrective lenses with Visio.....»»
Rocket Report: A new estimate of Starship costs; Japan launches spy satellite
One space tug company runs into financial problems; another says go big or go home. Enlarge / An H-IIA rocket lifts off with the IGS Optical-8 spy satellite. (credit: Mitsubishi Heavy Industries) Welcome to Edition 6.27.....»»
Scientists compute with light inside hair-thin optical fiber
Scientists at Heriot-Watt University in Edinburgh, Scotland, have found a powerful new way to program optical circuits that are critical to the delivery of future technologies such as unhackable communications networks and ultrafast quantum computers.....»»
Reimagining the optical diode effect for enhanced optical isolator efficiency
At the heart of global internet connectivity, optical communications form an indispensable foundation. Key to this foundation are optical isolators, created by combining multiple components......»»
My biggest fear about the Galaxy S24 Ultra has come true
Samsung has decided not to bring the 10x optical zoom camera back for the Galaxy S24 Ultra, and it's my worst fear about the phone come true......»»
Explaining why a black hole produces light when ripping apart a star
New model tracks the remains of a star looping around a black hole. Enlarge / A model of a tidal disruption, along with some observations of one. (credit: Illustration: CXC/M. Weiss; X-ray: NASA/CXC/UNH/D. Lin et al, Optical: CF.....»»
New technique uses optical orbital angular momentum lattice to enhance information storage capacity
In the realm of optical holography, the conventional limitations of polarization, wavelength, and incident angle are giving way to a new era of possibilities. A breakthrough technique known as optical orbital angular momentum (OAM) multiplexing has e.....»»
Research team develops anti-icing film that only requires sunlight
A KAIST research team has developed an anti-icing and de-icing film coating technology that can apply the photothermal effect of gold nanoparticles to industrial sites without the need for heating wires, periodic spray or oil coating of anti-freeze s.....»»
Developing a flat soliton microcomb source
Optical chip-related technology is the inevitable path to retain the validity of Moore's Law, which has become the consensus of academia and industry; it can effectively solve the speed and power consumption problems of electronic chips. This tech is.....»»
Apple Vision Pro ordering process: iPhone or iPad with Face ID needed, ‘valid, unexpired prescription’ for optical inserts
Apple Vision Pro pre-orders are a week away, and Apple is sharing new information about the buying process. An iPhone or iPad with Face ID will be needed to determine the best fitting hardware at checkout. For those who wear glasses, Apple has also s.....»»
Review covers optical aspects of quantitative photoacoustic tomography
Quantitative photoacoustic tomography (QPAT) is a medical imaging technique that combines laser-induced photoacoustic signals and ultrasound detection to create detailed three-dimensional images of biological tissues. The process involves irradiating.....»»
Researchers use spinning metasurfaces to craft compact thermal imaging system
Researchers have developed a new technology that uses meta-optical devices to perform thermal imaging. The approach provides richer information about imaged objects, which could broaden the use of thermal imaging in fields such as autonomous navigati.....»»
Researchers look at thermal stabilization in photonic packages
Photonics offers various advantages, including enablement of high-speed and low-loss communication by leveraging light properties in optical data communication, biomedical applications, automotive technology, and artificial intelligence domains. Thes.....»»