Ultra-thin metasurface chip turns invisible infrared light into steerable visible beams

The invention of tiny devices capable of precisely controlling the direction and behavior of light is essential to the ...

Focusing and defocusing light without a lens: First demonstration of the structured Montgomery effect in free space

Applied physicists in the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have demonstrated a new way to structure light in custom, repeatable, three-dimensional patterns, ...
C&EN

Wind Aggregation Enhanced Triboelectric-Electromagnetic Hybrid Generator with Slit Effect

Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 101400, China School of Nanoscience and Engineering, University of Chinese Academy of Sciences, Beijing 100049, ...
optics.org

Tokyo group observes positronium beam as ‘quantum matter wave’

The same phenomenon was later confirmed for neutrons, helium atoms, and even large molecules, making matter-wave diffraction ...
IEEE

Single-Shot Diffraction Autofocusing: Distance Prediction via an Untrained Physics-Enhanced Network

Abstract: Deep learning technology has shown excellent performances and successful applications in optical information processing. However, the long-time training, large amount of manually labeled ...
IEEE

Least-Squares Diffraction Imaging Using Variational Mode Decomposition

Abstract: The accurate characterization of subsurface discontinuities is crucial for seismic exploration. However, traditional data-domain diffraction separation and imaging methods encounter ...