Search results for birefringent

Nanomaterials Jun 23, 2022

Creating heat-tolerant, stable boron nitride nanotube fibers

A Rice University team led by professors Matteo Pasquali and Angel Martí has simplified handling of the highly valuable nanotubes to make them more suitable for large-scale applications, including aerospace, electronics and ...

Polymers Jun 17, 2022

New polymer mesophase structure discovered

Polymers, large molecules made up of repeating smaller molecules called monomers, are found in nearly everything we use in our day-to-day lives. Polymers can be natural or created synthetically. Natural polymers, also called ...

Optics & Photonics Jun 16, 2022

Improving quantum sensors by measuring the orientation of coherent spins inside a diamond lattice

Scientists from the University of Tsukuba demonstrated how ultrafast spectroscopy can be used to improve the temporal resolution of quantum sensors. By measuring the orientation of coherent spins inside a diamond lattice, ...

Optics & Photonics May 26, 2022

All-optical computation of a group of transformations using a polarization-encoded diffractive network

Implementing large-scale linear transformations or matrix computations plays a pivotal role in modern information processing systems. Digital computer systems need to complete up to billions of matrix operations per second ...

Optics & Photonics May 5, 2022

Highest degree of purity achieved for polarized X-rays

A research team was able to generate polarized X-rays with unprecedented purity at the European XFEL in Hamburg. The experiments involved scientists from the Helmholtz Institute Jena, a branch of GSI, Friedrich Schiller University ...

Optics & Photonics Mar 23, 2022

Physicists created a microlaser emitting two circular beams

Scientists from the University of Warsaw, the Military University of Technology and the University of Southampton presented a new type of tunable microlaser emitting two beams. "These beams are polarized circularly and directed ...

Optics & Photonics Jan 4, 2022

New epoch of miniaturized Cherenkov detectors

Recently, the research team led by Prof. Yu Luo from the school of Electrical and Electronic Engineering, Nanyang Technological University, discovered surface Dyakonov-Cherenkov radiation. This new type of Cherenkov radiation ...

Optics & Photonics Oct 28, 2021

High-speed laser writing method could pack 500 terabytes of data into CD-sized glass disc

Researchers have developed a fast and energy-efficient laser-writing method for producing high-density nanostructures in silica glass. These tiny structures can be used for long-term five-dimensional (5D) optical data storage ...

Optics & Photonics Jul 29, 2021

Collisions of light produce matter/antimatter from pure energy

Scientists studying particle collisions at the Relativistic Heavy Ion Collider (RHIC)—a U.S. Department of Energy Office of Science user facility for nuclear physics research at DOE's Brookhaven National Laboratory—have produced ...

Optics & Photonics Jun 21, 2021

New high-speed method for spectroscopic measurements

Researchers at Tampere University and their collaborators have shown how spectroscopic measurements can be made much faster. By correlating polarization to the color of a pulsed laser, the team can track changes in the spectrum ...

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