Chaos Raman distributed optical fiber sensing
The timeliness and accuracy of detection technology is directly related to the safety of people's lives and property. In the application of this technology, temperature is a physical quantity that must to be focused on. Compared with other temperatur.....»»
A Trojan approach to guide and trap light beams via Lagrange points
Reliably guiding and capturing optical waves is central to the functioning of various contemporary technologies, including communication and information processing systems. The most conventional approach to guide light waves leverages the total inter.....»»
Sony Xperia 1 VI leak suggests it could major camera and zoom boost
New info suggests each rear camera will sport a 48MP lens and the telephoto option capable of a 6x optical zoom......»»
Bessel-beam-based side-view measurement of seven-core fiber internal core distribution
Optical fiber, as the basic carrier of modern high-speed and high-capacity communication, is the key to the interconnection of the world. With the rapid development of the communications industry in recent decades, ordinary single-mode optical fiber.....»»
The 6 best optical audio cables for soundbars and more in 2024
HDMI is the new standard for audio/video connections, but a great optical audio cable is just as important. Here are several of the best optical connections......»»
The role of seasonal compensation effects on mediating the land carbon sink in response to an extreme El Niño event
Based on multiple evidence from remote sensing observations, global ecosystem model simulations and atmospheric CO2 inversions, a study led by Dr. Fangzhong Shi and Dr. Xiuchen Wu (Faculty of Geographical Science, Beijing Normal University) has found.....»»
Geometric phase-encoded liquid crystal optical sensing
Sensing technology, integral to environmental monitoring, data acquisition, and precision data processing, is evolving rapidly. Researchers are at the forefront of developing swift, accessible, and cost-effective sensors. Among these innovations, cho.....»»
Here’s how Honda and GM are building production hydrogen fuel cells
Uses include mining equipment, class 8 trucks, and power generators. Enlarge / Anode and cathode "inks" are applied to carbon-fiber paper. (credit: GM/Honda) BROWNSTOWN, Mich.—Today, a joint venture between General Mot.....»»
New Ardisia species found in Yunnan
Ardisia (coralberry or marlberry) is the largest genus of flowering plants in Myrsinoideae, Primulaceae, distributed mainly in tropical and subtropical Asia. Several revisions based on morphology have attempted to clarify the taxonomy and systematics.....»»
Ancient brown bear genomes shed light on Ice Age losses and survival
The brown bear is one of the largest living terrestrial carnivores, and is widely distributed across the Northern Hemisphere. Unlike many other large carnivores that went extinct at the end of the last Ice Age (cave bear, sabretoothed cats, cave hyen.....»»
Organic electronics lead to new ways to sense light
The past few decades have seen astonishing advances in imaging technology, from high-speed optical sensors that process over two million frames per second to tiny lensless cameras that record images using a single pixel......»»
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.....»»
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.....»»
Study finds S. aureus" surface-sticking ability not evenly distributed over cell envelope
Infections caused by the bacterium Staphylococcus aureus have a significant impact on human health, with tens of thousands of hospital patients dying every year from infections due to the S. aureus "superbug." Stopping the spread of bacteria like S......»»
Enabling distributed quantum sensors for simultaneous measurements in distant places
A research team has succeeded in implementing a distributed quantum sensor that can measure multiple spatially distributed physical quantities with high precision beyond the standard quantum limit with few resources. Their findings are published in t.....»»
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.....»»
New carbon-based tunable metasurface absorber paves the way for advanced terahertz technology
Working in the terahertz (THz) range offers unique opportunities in various applications, including biomedical imaging, telecommunications, and advanced sensing systems. However, because of the unique properties of electromagnetic waves in the 0.1 to.....»»