Researchers shrink bulky imaging systems down to millimeter sized chip that could be used to see through walls or detect tumors
Tag: OPTICS
Machine learning finds new metamaterial designs for energy harvesting
Design would enable thermophotovoltaic devices that convert waste heat to electricity
Laser-based system detects fires even in dusty, harsh environments
Speckle pattern analysis offers robust and inexpensive method for fire detection that is ideal for industrial facilities and large sites
Mosquito eye inspires artificial compound lens (video)
Anyone who’s tried to swat a pesky mosquito knows how quickly the insects can evade a hand or fly swatter. The pests’ compound eyes, which provide a wide field of view, are largely responsible for these lightning-fast actions. Now, researchers…
Keren Bergman wins $4.8M DARPA grant
Grant supports the development of a new class of on-chip optical interconnects that scale performance without increasing energy costs
Nano bulb lights novel path
Rice University engineers create tunable, nanoscale, incandescent light source
Kaleidoscope mirror symmetry inspires new design for optical tools, technologies
Using multiple-axis symmetry inspired by kaleidoscopes, new polarization designs can control spin angular momentum and transverse energy flow for complex optical tools
Miniaturizing medical imaging, sensing technology
High quality medical images produced using a microchip proves researcher’s fabrication method can be used to miniaturize sensing, imaging and optical communication systems
New microscopes unravel the mysteries of brain organization
Researchers around the world share their stunning images and insights: The open source mesoSPIM Initiative
New health monitors are flexible, transparent and graphene enabled
New technological devices are prioritizing non-invasive tracking of vital signs not only for fitness monitoring, but also for the prevention of common health problems such as heart failure, hypertension, and stress related complications, among others. Wearables based on optical detection…
Terahertz waves reveal hidden processes in ultrafast artificial photosynthesis
A team of researchers from Osaka University, in cooperation with Tokyo Institute of Technology, directly observed charge transfer and intermolecular interactions in artificial photosynthesis that occurs on a picosecond (ps) scale (10 -12 ). With time-resolved attenuated total reflection (TR-ATR)…
JILA’s novel atomic clock design offers ‘tweezer’ control
JILA physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next-generation atomic clock. The new clock, which uses laser “tweezers” to…
Researchers use metamaterials to create two-part optical security features
New encryption method could make it harder to counterfeit money or intercept secure information sent
Ultra-thin optical elements directly measure polarization
Holograms made with metasurfaces could enable fast, compact polarization measurements for spectrosco
Researchers produce synthetic Hall Effect to achieve one-way radio transmission
Researchers at the University of Illinois at Urbana-Champaign have replicated one of the most well-known electromagnetic effects in physics, the Hall Effect, using radio waves (photons) instead of electric current (electrons). Their technique could be used to create advanced communication…
A chameleon-inspired smart skin changes color in the sun
Some creatures, such as chameleons and neon tetra fish, can alter their colors to camouflage themselves, attract a mate or intimidate predators. Scientists have tried to replicate these abilities to make artificial “smart skins,” but so far the materials haven’t…
Optical vacuum cleaner can manipulate nanoparticles
The TPU and international researchers developed a concept for constructing an optical vacuum cleaner
A “GPS” to guide the discovery of new materials
The ability to accurately predict synthetic pathways to create new materials and control their prope
Making and controlling crystals of light
Optical microresonators convert laser light into ultrashort pulses travelling around the resonator’s circumference. These pulses, called “dissipative Kerr solitons”, can propagate in the microresonator maintaining their shape. When solitons exit the microresonator, the output light takes the form of a…
NIST team shows atoms can receive common communications signals
Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a new type of sensor that uses atoms to receive commonly used communications signals. This atom-based receiver has the potential to be smaller and work better in noisy…
Nanowires replace Newton’s famous glass prism
Scientists have designed an ultra-miniaturised device that could directly image single cells without the need for a microscope or make chemical fingerprint analysis possible from a smartphone. The device, made from a single nanowire 1000 times thinner than a human…
Using nature to produce a revolutionary optical material
Nanocomposite protects against intense light, holds promise for expanding high-speed optical network
Scientists measure precise proton radius to help resolve decade-old puzzle
York University research confirms protons are smaller than expected
Brighter future for LEDs: NIST Introduces new lamp calibration lab
Question: How many measurement scientists does it take to screw in an LED lightbulb? Answer: For researchers at the National Institute of Standards and Technology (NIST), half as many as it took a few weeks ago. In June, NIST began…
Future of LEDs Gets Boost from Verification of Localization States in InGaN Quantum Wells
A group of researchers in China confirms the existence of localization states of charge carriers wit
Champalimaud Vision Award: Recognizing institutions combating blindness in Brazil
The world’s largest Award in the field of vision, worth €1 million, recognizes the unique work of th
Eminent scientist’s 160-year-old theories aid light wave discovery
A previously unknown type of light wave has been discovered by researchers, based on the pioneering work of a 19th century Scottish scientist. Equations developed by renowned mathematician and physicist James Clerk Maxwell have helped to reveal how crystals can…
Nanoresearcher developes a new quantum hybrid platform for combining quantum elements
With support of ERC grant Juha Muhonen aims to solve one of the main issues preventing the creation
Breakthrough enables storage and release of mechanical waves without energy loss
The development may have broad implications for efficient harvesting, storing, and control of energy
A unique conducting state under UV-irradiation
A molecular insulating crystal reversibly exhibiting a metal-like, highly conducting state found und
NUS researchers discover unusual ‘quasiparticle’ in common 2D material
The new quasiparticle, named ‘polaronic trion’, enables significant tunability in the optoelectronic
Machine learning increases resolution of eye imaging technology
Researchers use computational tools to enhance the resolution of optical coherence tomography, poten
Computational approach speeds up advanced microscopy imaging
Faster imaging means scientists can observe hundreds of neurons at once with two-photon microscopy
Computational approach speeds up advanced microscopy imaging
Faster imaging means scientists can observe hundreds of neurons at once with two-photon microscopy
Study models new method to accelerate nanoparticles
In a new study, researchers at the University of Illinois and the Missouri University of Science and Technology modeled a method to manipulate nanoparticles as an alternative mode of propulsion for tiny spacecraft that require very small levels of thrust.…
Tiny lensless endoscope captures 3D images of objects smaller than a cell
Self-calibrating technology opens new opportunities for medicine and research
With $500,000 grant to University of Arizona, SPIE launches $2.5 million endowment program
SPIE endowed chair in optical sciences at the University of Arizona is inaugural contribution from t