Nanowerk

First observation of positronium matter-wave diffraction with a graphene grating

First experimental observation of matter-wave diffraction in a short-lived electron-positron atom using a graphene-based diffraction grating. (Nanowerk News) One of the discoveries that fundamentally ...
EurekAlert!

Quantum metrology technique achieves sub-diffraction limit precision for nanofabrication

(a) Working principle of metasurface displacement measurement can be understood as the detection of the power of different modes of the converted light. The incident irradiated on the metasurface and ...
IEEE

Optimization of the Transmission Function of the Diffraction Grating for Operation in Higher Orders

Abstract: The paper considers the issue of increasing the efficiency of using higher diffraction orders of an amplitude transmitting diffraction grating for the purposes of spectral analysis of ...
Bleeping Computer

MATLAB dev confirms ransomware attack behind service outage

MathWorks, a leading developer of mathematical computing and simulation software, has revealed that a recent ransomware attack is behind an ongoing service outage. Headquartered in Natick, ...
Optics

Reflective Ruled Diffraction Grating

Reflective ruled diffraction grating is a kind of optical glass substrate composed of dense, equidistant parallel lines, and the surface is coated with aluminized, multi-layer dielectric or other ...
Phys.org

Compact optical device achieves super-resolution imaging beyond the diffraction limit

Researchers from the University of Science and Technology of China (USTC) have unveiled a planar optical device that significantly enhances the capabilities of dark-field microscopy, achieving ...
IFLScience

Century-Old Challenge Of “Atomic Diffraction” Finally Solved Thanks To Graphene

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...
Science Daily

Logic with light: Introducing diffraction casting, optical-based parallel computing

Increasingly complex applications such as artificial intelligence require ever more powerful and power-hungry computers to run. Optical computing is a proposed solution to increase speed and power ...
AZOM

Unlocking New Potential in Crystallography - The Power of Electron Diffraction

Could you start by explaining your background in crystallography and how you began using the Rigaku Synergy-ED system? Fraser: I began my journey into crystallography at the University of Edinburgh in ...
Scientific Research Publishing

Dispersion Relations in Diffraction in Time ()

Departamento de Fsica, Facultad de Ciencias, Universidad Nacional Autónoma de México, Ciudad de México, México. The shutter problem implies solving the time-dependent Schrödinger equation with an ...
Astronomy

Ask Astro: What causes the pattern of diffraction spikes in astronomical images?

I learned in October 2022’s Breakthrough that the spikes of stars in high-power photos are called diffraction spikes. Why do they appear as two crosses at 45 degrees to each other? The diffraction ...