"Flipping" optical wavefront eliminates distortions in multimode fibers
The use of multimode optical fibers to boost the information capacity of the Internet is severely hampered by distortions that occur during the transmission of images because of a phenomenon called modal crosstalk......»»
Fluidic telescope (FLUTE): Enabling the next generation of large space observatories
The future of space-based UV/optical/IR astronomy requires ever larger telescopes. The highest priority astrophysics targets, including Earth-like exoplanets, first generation stars, and early galaxies, are all extremely faint, which presents an ongo.....»»
Researchers turn to two crops to tackle environmental harm of apparel made with synthetic fibers
From risottos to sauces, mushrooms have long been a staple in the kitchen. Now fungi are showing the potential to serve up more than just flavor—as a sustainable, bendy material for the fashion industry......»»
Optical barcodes expand range of high-resolution sensor
The same geometric quirk that lets visitors murmur messages around the circular dome of the whispering gallery at St. Paul's Cathedral in London or across St. Louis Union Station's whispering arch also enables the construction of high-resolution opti.....»»
NASA"s Deep Space Optical Communications demonstration transmits data over 140 million miles
Riding aboard NASA's Psyche spacecraft, the agency's Deep Space Optical Communications technology demonstration continues to break records. While the asteroid-bound spacecraft doesn't rely on optical communications to send data, the new technology ha.....»»
Compact quantum light processing: New findings lead to advances in optical quantum computing
An international collaboration of researchers, led by Philip Walther at University of Vienna, have achieved a significant breakthrough in quantum technology, with the successful demonstration of quantum interference among several single photons using.....»»
Scientists discover forests that may resist climate change
While it's common knowledge that mountaintops are colder than the valleys below, a new University of Vermont (UVM) study is flipping the script on what we know about forests and climate......»»
Sink to source: Does what we put into our plumbing end up back in the water supply?
When you see an advertisement for a detergent promising to brighten your clothes, something called a fluorescent whitening compound, or optical brightener, is probably involved. Such material absorbs UV light and emits visible blue light via fluoresc.....»»
Gigahertz-rate switchable wavefront shaping by LNOI-empowered metasurface
Over the past decade, metasurfaces deploying two-dimensional artificial nanostructures have emerged as a groundbreaking platform to manipulate light across various degrees of freedom. These metasurfaces exhibit significant potential in foundational s.....»»
Digital tools, including AI, alter consumer trust and purchasing decisions, says research
Colleen Harmeling, a Florida State University College of Business researcher, points to photo filters, overly edited photos and other distortions of user-generated content as impediments to consumer trust. In turn, they are potential barriers to the.....»»
Study sheds light on 11th-century Arab-Muslim optical scientist whose work laid foundation for modern-day physics
Scientists from the University of Sharjah and the Warburg Institute are poring over the writings of an 11th-century Arab-Muslim polymath to demonstrate their impact on the development of optical sciences and how they have fundamentally transformed th.....»»
Zscaler extends zero trust SASE and eliminates the need for firewall-based segmentation
Zscaler has signed an agreement to acquire Airgap Networks. Combining Zscaler’s zero trust SD-WAN and Airgap Networks’ agentless segmentation technology will transform how enterprises implement zero trust segmentation to IoT/OT devices, and criti.....»»
Self-embedding silver nanoparticles: Researchers find the "silver lining" in cotton gin waste
Cotton gin waste, also known as cotton gin trash, is a byproduct of the cotton ginning process and occurs when the cotton fibers are separated from the seed boll. For cotton gin waste, the treasure is its hidden potential to transform silver ions int.....»»
Propagating dimensions of light: Deforming versatile non-diffractive beams along the optical trajectory
The diffraction of light is a ubiquitous phenomenon in nature where waves spread out as they propagate. This spreading of light beams during propagation limits the efficient transmission of energy and information. Therefore, scientists have endeavore.....»»
Innovative sensing platform unlocks ultrahigh sensitivity in conventional sensors
Optical sensors serve as the backbone of numerous scientific and technological endeavors, from detecting gravitational waves to imaging biological tissues for medical diagnostics. These sensors use light to detect changes in the properties of the env.....»»
Kerr-enhanced optical spring for next-generation gravitational wave detectors
The detection of gravitational waves stands as one of the most significant achievements in modern physics. In 2017, gravitational waves from the merger of a binary neutron star were detected for the first time which uncovered crucial information abou.....»»
Chinese scientists reveal the spinning mechanism of the silkworm
Mulberry silk is a natural protein fiber that is light, soft and fine in nature, known as the "second skin of the human body" and "Queen of fibers." China is the origin of the world's sericulture industry......»»
Classical optical neural network exhibits "quantum speedup"
In recent years, artificial intelligence technologies, especially machine learning algorithms, have made great strides. These technologies have enabled unprecedented efficiency in tasks such as image recognition, natural language generation and proce.....»»
Team demonstrates an ultra-broadband tunable terahertz absorber of graphene and hierarchical plasmonic metamaterials
Perfect absorption arises from the strong interaction of valence electrons with light in a conducting material. Optical metamaterial is an effective approach to exploit the superior photon capture capability. Thus, the perfect absorbers could be achi.....»»
Research team realizes magnonic frequency comb
The optical frequency comb, a spectrum of optical radiation composed of evenly spaced and phase-coherent narrow spectral lines, was initially developed for precise time and frequency measurements. Over the past two decades, it has shown broad applica.....»»
An ultracompact multimode meta-microscope
Versatility and miniaturization of imaging systems are of great importance in today's information society. Microscopic imaging techniques have always been indispensable for scientific research and disease diagnosis in the biomedical field, which is a.....»»