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Researchers Demonstrate Active Nanoantennas Based on Diamond Nanoparticles
SAINT PETERSBURG, Russia, May 16, 2018 — A controlled light source has been developed that is based on a nanodiamond. According to researchers, experiments showed that the diamond shell could double the emission speed of light sources and could help control light sources without additional nano- or microstructures. The enhancement of the fluorescence rate of the emitters was due to artificially created defects in a diamond crystal lattice. Nanodiamonds with artificially created nitrogen-vacancy centers (NV centers) were used for
Engineered Glass Slide Enables Microscopic Thermal Mapping
BUFFALO, N.Y., May 15, 2018 — Using a coating of an optical exceptional point structure, researchers demonstrated a multifunctional microscope slide that supports real-time monitoring and mapping of temperature distribution and heat transport, in addition to conventional...
Watch Photonics Media Webinars on Demand
PITTSFIELD, Mass., May 14, 2018 — Take our webinars with you wherever you go. As long as you have a Wi-Fi connection, you can listen and learn anywhere, anytime. It’s an option that’s available to you when you’re between flights, working from home, or just looking...
Sensing Chip Uses Raman Spectroscopy to Detect Cocaine in Minutes
BUFFALO, N.Y., May 7, 2018 — A chemical sensing chip, developed for use with surface-enhanced Raman spectroscopy (SERS), has demonstrated the ability to detect the chemical fingerprint of cocaine in biological samples. In the future, the technology could be used to detect the...
LIBS Technique Analyzes Contaminants in Levitated Water Drops
CUERNAVACA, Mexico, May 4, 2018 — A new approach to detecting metal contaminants in water involves the use of laser-induced breakdown spectroscopy (LIBS) to analyze the presence of heavy metals, such as mercury, in water drops that are levitated in midair using ultrasonic waves. The...
Chiral Nanostructures Could Be Used to Tailor Applications
BATH, England, May 3, 2018 — Scientists have modeled the interaction between light and twisted molecules as the molecules transition from left- to right-handed versions, or vice versa. Understanding the behaviors of these transitional forms could lead to improved design of...
Newton’s Cradle Yields Insight into Quantum Thermalization
STANFORD, Calif., May 3, 2018 — A quantum version of Newton’s cradle was used to investigate how the chaotic motion of quantum particles eventually leads to thermal equilibrium. With the cradle, researchers observed how, after inducing small amounts of chaotic motion, a...
Camera Can Differentiate Between Exoplanet Light and Nearby Starlight
SANTA BARBARA, Calif., May 2, 2018 — A new superconducting camera will be used in the search for exoplanets that could contain or support life. Distinguishing the light of a planet from the light of the star it orbits is a challenge, which the camera’s high-contrast imaging...
Optogenetic Tool Controls Voltage-Gated Calcium Channels
COLLEGE STATION, Texas, May 2, 2018 — An optogenetic tool has been developed for controlling voltage-gated calcium (CaV) channels to enable photo-tunable modulation of CaV channel activity in excitable mammalian cells. The tool, called optoRGK, provides a way to interrogate the...
Chemical Device Uses Light to Reprogram Gene Expression
COLLEGE STATION, Texas, May 1, 2018 — Researchers at Texas A&M have developed a chemical or light-inducible transcriptional reprogramming device to illuminate the functions of genes during different biological processes, using calcium and light. The CaRROT system (calcium-responsive...
Light-Based Approach Manages Chronic Neuropathic Pain
ROME, April 27, 2018 — Researchers have developed a light-based method that could be used to manage neuropathic pain. The technique was tested in mice. Researchers from the European Molecular Biology Laboratory (EMBL) Rome identified a specific population of nerve cells...
New Fabrication Platform Brings Photonics to Bulk Silicon Microelectronic Chips
BROOKLINE, Mass., April 26, 2018 — A microchip technology that is capable of optically transferring data could alleviate bottlenecks in current devices by speeding data transfer and reducing energy consumption by orders of magnitude. The new method that has been developed for...
Squeezed Light Confined to Space of One Atom in Nanophotonics Advance
BARCELONA, Spain, April 25, 2018 — Using graphene, researchers have found a way to confine light down to a space that is one atom thick. The ability to confine light to such a small space could pave the way for ultrasmall optoelectronic devices. Previous work has shown that while...
Hidden In The Shadows No More
Apr 24, 2018 — Thermal cameras are actively deployed on aerial and ground vehicles, in watchtowers, and at checkpoints for surveillance purposes. More recently, thermal cameras are becoming available for use as body-worn cameras. Researchers at the U.S. Army...
UV Light Exposure Causes Composite Material to Grow Stronger On Demand
ABERDEEN PROVING GROUND, Md., April 24, 2018 — A technique has been developed that causes a composite material to become stiffer and stronger when exposed to UV light. The technique can be controlled, allowing the strength of the material to be adapted to the requirements of the application. To...
AO-LLSM Microscope Achieves Aberration-Free Imaging
ASHBURN, Va., April 23, 2018 — Scientists have combined lattice light-sheet microscopy (LLSM) with adaptive optics (AO) to capture high-resolution 3D movies of cells deep within living systems. The AO-LLSM microscope enables cells to be viewed in their native multicellular...
Short, Strong Laser Pulses Advance Understanding of Strongly Correlated Materials
BERLIN, Germany, April 20, 2018 — In its search for materials and technologies that could help push the speed and storage limits of silicon-based computer technology, a team of researchers looked at a category of materials known as “strongly correlated systems,” so called because of...
Seaweed Forms Dynamic Opal-Like Photonic Nanostructures
BRISTOL, England, April 20, 2018 — Intracellular opal-like photonic crystals, formed from lipids within photosynthetic cells, have been observed to produce vivid structural color in the algae Cystoseira tamariscifolia. The bright blue and green iridescent sheen from the brown algae...
Whispering Gallery for Light Boosts Solar Cell Absorption and Photocurrent
GAITHERSBURG, Md., April 18, 2018 — Researchers have developed a nanoscale coating for solar cells that enables the cells to absorb about 20 percent more sunlight than uncoated devices. The coating, developed by trapping light using an optical version of a whispering gallery, could...
New Bose-Einstein Condensate Couples Light with Metal Electrons
ESPOO, Finland, April 18, 2018 — Researchers created a new Bose-Einstein condensate, where the condensed particles were mixtures of light and metal electrons (so-called surface plasmon polaritons), in motion in gold nanorods arranged into a periodic array. Unlike most previous...
New Book Addresses Issues, Offers Solutions for LOS Control
PITTSFIELD, Mass., April 17, 2018 — In Stabilizing the Line of Sight, authors Peter J. Kennedy and Rhonda L. Kennedy provide a methodology and an example for executing a successful end-to-end LOS design. Comprehensive in scope, this book will give readers a better understanding of the...
Researchers Attain Largest Entangled Quantum Register to Date
INNSBRUCK, Austria, April 16, 2018 — A research team at the Institute of Quantum Optics and Quantum Information (IQOQI) in Innsbruck, together with researchers from the University of Ulm and the Institute of Quantum Optics and Quantum Information (Vienna), has achieved controlled...
Optofluidic Smart Glass System Is Cost-Efficient, High Performing
NEWARK, Del., April 16, 2018 — Smart glass panels that can switch between allowing light in and blocking it out could one day be used in eco-friendly windows, windshields, roof panes and building envelopes to absorb light and heat in cold weather and reflect heat away from...
Tiny Fiber Optic Probe Senses Body Temps, Performs OCT Imaging
ADELAIDE, Australia, April 16, 2018 — A miniaturized fiber optic probe has been invented that can simultaneously measure body temperature and take images deep inside the body. The single-fiber-based image and sensing probe uses an OCT lens fabricated at the distal end of a double-clad...
Plant Protein Powers Red Light-Activated Switch for Animal Cells
LA JOLLA, Calif., April 11, 2018 — An optogenetic switch activated by red and far-red light has been designed and tested in animal cells. The light-activated switch, which does not require the addition of sensing molecules from outside the cells, could be used to turn genes on and...

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