For the first time, researchers have used liquid crystals to create a flat magic window—a transparent device that produces a hidden image when light shines on it. The technology represents a new twist on a very old light ...
Optics & Photonics
May 5, 2022
0
502
Sharing real-time information requires complex networks of systems. A promising approach for speeding up data storage devices consists of switching the magnetization, or the electrons' spin, of magnetic materials with ultra-short ...
Condensed Matter
Apr 25, 2022
0
155
Researchers have developed a new measurement and imaging approach that can resolve nanostructures smaller than the diffraction limit of light without requiring any dyes or labels. The work represents an important advance ...
Optics & Photonics
Apr 21, 2022
0
168
Technologies that depend on lightweight, high-precision optical systems, like space telescopes, X-ray mirrors, and display panels, have developed significantly over the past several decades, but more advanced progress has ...
Optics & Photonics
Apr 20, 2022
0
77
Researchers have designed a new compact camera that acquires wide-angle images of high-quality using an array of metalenses—flat nanopatterned surfaces used to manipulate light. By eliminating the bulky and heavy lenses ...
Optics & Photonics
Apr 14, 2022
1
138
For all the recent advances in integrated lithium niobate photonic circuits—from frequency combs to frequency converters and modulators—one big component has remained frustratingly difficult to integrate: lasers.
Optics & Photonics
Apr 8, 2022
0
983
Researchers have developed a new analog photonic correlator that can be used to locate an object transmitting a radio signal. Because the new correlator is faster than other methods and works with a wide range of radio frequency ...
Optics & Photonics
Mar 24, 2022
0
47
Attosecond laser pulses in the extreme ultraviolet (XUV) are a unique tool enabling the observation and control of electron dynamics in atoms, molecules, and solids. Most attosecond laser sources operate at a pulse repetition ...
Optics & Photonics
Mar 22, 2022
0
505
Researchers have demonstrated a prototype glasses-free 3D light field display system with a significantly extended viewing distance thanks to a newly developed flat lens. The system is an important step toward compact, realistic-looking ...
Optics & Photonics
Mar 10, 2022
1
93
Researchers in biomedical physics and biology have significantly improved micro-computed tomography, more specifically imaging with phase contrast and high brilliance X-ray radiation. They have developed a new microstructured ...
Optics & Photonics
Mar 8, 2022
0
43
