Search results for microelectromechanical systems

Optics & Photonics Apr 20, 2022

Unveiling bulk and surface radiation forces in a dielectric liquid

An international group of researchers has measured how much a laser beam tugs on the water it shines through.

Quantum Physics Nov 5, 2021

Demonstration of diamond nuclear spin gyroscope

In a new report now published in Science Advances, Andrey Jarmola and an international research team in physics and materials in the U.S. and Germany demonstrated the function of a rotation sensor based on the Nitrogen-14 ...

Optics & Photonics Jul 5, 2021

Piezoelectric microelectromechanical system-based optical metasurfaces

Optical metasurfaces can unprecedently regulate versatile wavefronts at the subwavelength scale. Most well-established optical metasurfaces are, however, static and feature well-defined optical responses that are determined ...

Nanophysics Jun 25, 2021

Tantalizing tantalum: Improving MEMS thermal actuators and sensors

Accelerometers in mobile phones, microprocessors in laptops, and gyroscopes that balance drones each rely on microelectromechanical systems, or MEMS for short. Within these small systems are even smaller devices, called actuators ...

Nanophysics Jun 21, 2021

A cavitation-on-a-chip device with a multiple microchannel configuration

Hydrodynamic cavitation is a major phase change phenomena that can occur with a sudden decrease in the local static pressure within a fluid. The emergence of microelectromechanical systems (MEMS) and high-speed microfluidic ...

Optics & Photonics Apr 20, 2021

New optics-on-a-chip device paves way to capturing fast chemical, material and biological processes

Researchers have developed new X-ray optics that can be used to harness extremely fast pulses in a package that is significantly smaller and lighter than conventional devices used to modulate X-rays. The new optics are based ...

Nanomaterials Apr 16, 2021

Oxygen migration enables ferroelectricity on nanoscale

Hafnium-based thin films, with a thickness of only a few nanometres, exhibit an unconventional form of ferroelectricity. This allows the construction of nanometre-sized memories or logic devices. However, it was not clear ...

General Physics Apr 15, 2021

Photonic MEMS switches going commercial

One of the technical challenges the current data revolution faces is finding an efficient way to route the data. This task is usually performed by electronic switches, while the data itself is transferred using light confined ...

Optics & Photonics Jan 27, 2021

Optical scanner design for adaptive driving beam systems can lead to safer night driving

Car accidents are responsible for approximately a million deaths each year globally. Among the many causes, driving at night, when vision is most limited, leads to accidents with higher mortality rates than accidents during ...

Analytical Chemistry Dec 1, 2020

Detection of cancer from exhaled breath

The air we exhale contains information that can assist with the diagnosis of disease. Researchers at the Fraunhofer Project Hub for Microelectronic and Optical Systems for Biomedicine MEOS are now developing solutions designed ...

page 4 from 31