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.....»»
Successful optical biosensing using dual optical combs: High sensitivity and rapid detection of biomolecules
Bio-sensors are biomolecular sensors that leverage or mimic the sophisticated molecular recognition capabilities of living organisms. They find widespread applications in fields such as health care, food, and the environment......»»
Apple makes three arguments for lack of 10x optical zoom on iPhone 15 Pro Max
The iPhone 15 Pro Max stands out from the other models in this year’s lineup mostly because of the periscope lens, which extends last year’s 3x optical zoom to 5x this year. But Samsung’s main competing phone – the Galaxy S23 Ultra – offers.....»»
Study paves the way for new class of nanoscale devices, new opportunities in photonics
Non-Hermitian systems have numerous alluring optical properties at exceptional points (EPs) and have attracted extensive attention because of their great prospects in applications such as optical sensing, integrated optics, and other fields......»»
Revealing the general characteristics of fiber Rayleigh scattering based on deep learning
Scattering in media has unique inherent randomness. Fiber Rayleigh scattering is one of the typical scattering effects. The exploration and understanding of the characteristics of fiber Rayleigh scattering holds significant research value for optical.....»»
Scientists unravel the chemical mechanism behind silica-coated nanodiamonds
Coating something rare—tiny shards of diamond—with the main ingredient in sand might sound unusual, but the end result turns out to have a number of valuable applications. The trick is, nobody knows for sure how the two materials bond......»»
Researchers develop biodegradable optical fiber to measure or modulate electrical current in the body
Electrical signals control a vast number of activities in the human body, from exchanges of messages between brain neurons and stimulation of the heart muscle to the impulses that enable hands and feet to move, among many other examples. To monitor o.....»»
Chameleon-inspired coating could cool and warm buildings through the seasons
As summer turns to fall, many people will be turning off the air conditioning and firing up heaters instead. But traditional heating and cooling systems are energy-intensive, and because they typically run on fossil fuels, they aren't sustainable. No.....»»
iPhone 15 Pro Max vs. Samsung Galaxy S23 Ultra: best $1,200 phone?
The iPhone 15 Pro Max finally brings the fight to Galaxy S23 Ultra with better optical zoom capabilities. But is that enough?.....»»
Unveiling the invisible: A bioinspired CMOS-integrated polarization imaging sensor
Polarimetric imaging can uncover features invisible to human eyes and conventional imaging sensors, and it is becoming an ever more essential technique in modern society. Conventional polarimetric imaging systems require complex optical components an.....»»
New quasi-particle bridges microwave and optical domains
In a paper published today (Sept. 18) in Nature Communications, researchers from the Paul-Drude-Institut in Berlin, Germany, and the Instituto Balseiro in Bariloche, Argentina, demonstrated that the mixing of confined quantum fluids of light and GHz.....»»
Synergy of traditional techniques and deep learning enables single-frame high-precision fringe pattern analysis
Optical metrology, as a general-purpose metrology technique that uses light as information carriers for non-contact and non-destructive measurement, is fundamental to manufacturing, basic research, and engineering applications......»»
Researchers investigate new physical phenomena on the nanoscale with microstructured fibers
Researchers at Leibniz IPHT have made significant advances in deciphering tiny nano-objects. Using special optical fibers, they identified a new optical mode that enables uniform illumination along the entire length of a fiber and determined the reso.....»»
You Asked: How to add a subwooofer to Apple Homepods, Hisense UX review question
In this installment of You Asked, we tackle your questions about the Hisense UX, taking TV temperatures, and accessibility options with optical audio......»»
iPhone 15 Pro Max lands with 5x optical zoom, faster USB-C
After over a year of feature rumors, Apple has revealed its iPhone 15 Pro Max, its largest premium iPhone using the new A17 Pro chip and a new Tetraprism camera with 5x zoom, and more.At its "Wanderlust" special event on Tuesday, Apple launched its l.....»»
Researchers create optical device that can kill pathogens on surfaces while remaining safe for humans
While it has long been known that ultraviolet (UV) light can help kill disease-causing pathogens, the COVID-19 pandemic has put a spotlight on how these technologies can rid environments of germs. However, the excimer lamps and LEDs that can directly.....»»
Experts explain how diamonds are grown in a lab
A diamond is a solid rock of carbon and the hardest known naturally occurring substance. Because diamonds also have some extraordinary optical and physical properties, intensive research is underway on their use in laser and quantum technology......»»
An artificial star for testing the optical performance of startrackers
Like mariners of old, spacecraft steer by the stars—using combinations of telescopes, cameras and computers called startrackers to recognize stellar constellations to calculate their own position in space......»»
Atomic-scale spin-optical laser: New horizon for optoelectronic devices
Researchers at the Technion—Israel Institute of Technology have developed a coherent and controllable spin-optical laser based on a single atomic layer. This discovery is enabled by coherent spin-dependent interactions between a single atomic layer.....»»
New scalable, etching-based technique for precise tuning of microdisk lasers
Micro- and nanodisk lasers have recently emerged as promising optical sources and probes for various applications in the fields of nanophotonics and biomedicine. Their ability to achieve lasing at a deterministic wavelength and ultra-narrowband preci.....»»
Apple Vision Pro Optical Inserts pairing process and other details revealed
A code sleuth has found new details about how Apple Vision Pro Optical Inserts will need to be set up and paired, and the process is a little involved.Apple Vision Pro Optical InsertsApple Vision Pro is a tight fit, so users will need to get prescrip.....»»