Articles tagged with Optical Materials
The researchers have found donor-substituted cyanoethynylethene molecules exhibit one of the strongest nonlinear optical responses, approaching the fundamental quantum limit. These findings are promising for optical computing and all-optical networks, which could lead to more efficient ways to route signals and process information.
The Penn theorists describe how nanoscale particles of certain materials can work as circuit elements, enabling faster computer processors and exotic applications. The technology could also enable the creation of biological circuits and couple electronic signals to individual molecules.
Researchers at the University of Michigan have successfully achieved quantum entanglement of three electrons using ultrafast laser pulses and coherent techniques. This breakthrough could lead to the development of quantum gates necessary for storing and processing information in practical quantum computers, offering significantly enhan...
Researchers at Imperial College London developed a novel magnetic material dubbed 'Swiss Rolls' that guides radio-frequency magnetic flux in MRI scanners, producing undistorted images. The material's periodic array of structures helps direct magnetic flux from the body to receiver coils with minimal leakage.
A team of researchers at UCSB has built a device that can repeatedly detect the emission of a single photon, paving the way for unconditional security in communication. This achievement is crucial for quantum cryptography, which ensures the secrecy of information by altering the key upon eavesdropping.
Researchers have discovered a new method for measuring the molecular properties of materials, allowing them to study nanostructures in unprecedented detail. The Gradient-Field-Raman (GFR) spectroscopy technique reveals unique vibration patterns that couldn't be explained by previous methods.
The University at Buffalo is leading a $10 million DARPA project to develop specific ferromagnetic materials for use in spintronics. The goal is to create magnetic semiconductors and prototype devices to exploit electron spin properties, enabling new functions in data processing, storage, and communications.
A new thermoelectric material has been discovered with the potential to significantly improve cooling efficiency in electronic systems. The material can drop temperatures by as low as 100 degrees when stimulated with an electrical current.
A new liquid crystal film can protect against continuous glare and intense light, improving visibility for drivers and welders. The material reduces light intensity from 140 milliwatts to 5 microwatts, solving glare problems in optical sensors and communications systems.
Researchers at NRL have created a new type of glass material for use in future opto-electronic devices, which could lead to advancements in optical sensors, miniaturized optical systems, high-speed communication components, and more. The material's properties are highly dependent on its layered structure and composition.
Researchers at the University of Delaware have created a porous, rainbow-colored metal that acts like a prism, diffracting a spectrum of colors. The material's tiny holes are 20,000 times smaller than existing metal meshes and could be used to steer light in photooptic computer components.
Astronomers have found evidence of a prompt high-energy afterglow component from a gamma-ray burst, suggesting multiple energy emission processes and mechanisms. This discovery supports the idea that different activities cause what appears to be a chaotic explosion.
A University of Illinois physicist has proposed a 'midinfrared' scenario that may help explain the mechanism behind high-temperature, cuprate superconductors. The theory suggests that the driving force for superconductivity in cuprates is a saving of Coulomb energy associated with long wavelengths and midinfrared frequencies.
Temple University physicist Zameer Hasan is working to increase the storage capacity of compact discs by using lasers to distinguish between different colors, allowing for a billion-fold increase in data storage. His research focuses on creating materials that can withstand high temperatures and improve the speed of laser reading.
Scientists discover that in complex systems like living cells, opposite charges don't always attract, but instead repel or separate into adhesive zones. This understanding can lead to designing new drug carriers and smart materials that respond to their environment.
Nitec's electroless nickel plating technology has been used to create a highly polished mirror with excellent optical performance. The technique, which ensures an even deposit of the coating, has achieved enormous cost savings in the restoration project.
Researchers have developed a new class of porous materials, called nanobubblepack, with ordered crystal-like arrangements of ultra-small spherical spaces. They can produce these materials in a range of pore sizes and fill them with various substances.
Researchers at Ohio State University have developed adjustable satellite antennas using smart materials that can change shape to improve signal quality. The new design reduces the need for constant reorientation of satellites, increasing their efficiency and range.
A team of astronomers led by Bo Reipurth and John Bally observed that ultraviolet radiation from nearby massive stars destroyed the cocoons of gas and dust surrounding young stars, revealing billions of miles long supersonic jets. The destruction has provided new insight into star birth and evolution, and may have implications for the ...
A new ultrasonic scanner developed by Penn State researchers can image the interior of a material as it responds to temperature changes. The device was used to study a laminate material called PEEK, which is widely used in various consumer products, and demonstrated its ability to detect defects and monitor internal structure changes.
Weizmann Institute scientists have created a new class of magnetic materials made of clusters of inorganic molecules, opening up research possibilities for the microelectronics industry. The new magnets display an unusual combination of properties that make them suitable for miniaturization and potential industrial applications.
Miniature shock waves can be used to probe complex systems and investigate phenomena at the molecular level. The technique opens up new possibilities for research in chemistry, biology, and medicine.
Scientists have discovered a cheap material that changes color in response to light, potentially revolutionizing energy-efficient windows. The material could regulate illumination levels, glare, heat gain and loss, making buildings use less energy.
Scientists at Sandia National Laboratories and UNM develop a rapid method to self-assemble diverse materials into coatings mimicking seashell structures. The coating process creates tough, strong, optically transparent coatings suitable for automotive finishes, optical lenses, and other applications.
Researchers have successfully grown monomolecular films of a helical polypeptide, poly-gamma-benzyl-L-glutamate, directly from a flat surface. The films exhibit comparable polarization to conventional ferroelectric materials, with potential applications in piezo- and pyroelectric devices.
Scientists have discovered that sulfur transforms into a superconductor at extremely high pressure, with a critical temperature of 10 K. The findings provide an important test for theories of superconductivity and could lead to new energy-related applications.
Researchers at Northwestern University have developed a new gold-DNA probe technique that offers high accuracy and speed in detecting genetic and pathogenic diseases. The method uses gold nanoparticles combined with oligonucleotides to detect specific genes linked to diseases, eliminating the need for radioactive materials.
Scientists at the Weizmann Institute successfully created uniformly oriented crystals of varying sizes by fine-tuning the small remaining mismatch between two materials. The method, using a technique called electrodeposition, holds promise for developing tiny semiconductors with new optoelectronic properties.
Researchers at Oregon State University have discovered a new compound with unique properties that could be used in various applications. The compound, zirconium tungstate, has been found to behave under high pressures and has potential uses in electronics, optics and dental care.
Researchers developed polymer-based photonic materials that can store thousands of times more data than traditional CDs. The new materials utilize two-photon absorption to enable efficient color movie storage and allow for compact data storage, making them ideal for archiving large quantities of images.