Berkeley Lab doctoral student Fumika Isono (center), BELLA Center Deputy Director Jeroen van Tilborg (right), and research scientist Sam Barber set up a novel laser…
Posts published in “Optics”
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A metadevice for dynamically controlling THz wavefronts by rotating layers of cascaded metasurfaces. Credit: Shanghai University Cascaded metasurfaces for dynamic control of THz wavefronts Electromagnetic…
Illustration of an infrared laser hitting a gallium-phosphide metsurface, which efficiently produces even and odd high-harmonic generation. Credit: Daniil Shilkin Cornell researchers have developed nanostructures…
Scientists observe a new kind of light emission when electrons in topological insulators abruptly reverse their direction of motion. Credit: © Brad Baxley (parttowhole.com) Scientists…
Hemispherical array of ultrasound transducers lifts objects off reflective surfaces. Researchers from Tokyo Metropolitan University have developed a new technology which allows non-contact manipulation of…
A new way of producing coherent light in the ultra-violet spectral region, which points the way to developing brilliant table-top x-ray sources, has been produced…
A two-dimensional Doppler spectrometer captures the motions of a high intensity, femtosecond laser induced hot, dense plasma at different locations on a solid surface. Credit:…
A holographic light collector separates the colors of sunlight and directs them to the solar cells. Credit: R.K. Kostuk, University of Arizona Holograms Increase Solar…
Snapshot of five-dimensional imaging with temporal-spatial-spectral resolutions. Credit: S. Zhang, East China Normal University Spectral-volumetric compressed ultrafast photography simultaneously captures 5D information in a single…
Cross-section of the designed heart-shaped phase singularity sheet. The extended dark region in the center image is a cross-section of the singularity sheet. The phase…
Conceptual image of the method of using spectrally varying polarization states for high-speed spectroscopic measurements. Credit: Frederic Bouchard / National Research Council of Canada Researchers…
NIST researchers used a laser frequency-comb instrument (illustration at lower right) to simultaneously measure three airborne greenhouse gases — nitrous oxide, carbon dioxide and water…
Researchers used NIST’s agricomb to simultaneously measure emissions of methane, ammonia, carbon dioxide and water vapor from the atmosphere around a beef cattle feedlot in…
The new approach for digitizing color can be applied to cameras, displays and LED lighting. Because the color space studied isn’t device dependent, the same…
Researchers designed a cold atom source that uses four mirrors arranged like a pyramid and placed in a way that allows them to slide past…
The excitation of the gas atoms makes the intersecting infrared laser beams (in red) in the resonator visible to the human. Credit: © Thorsten Naeser…
Professor Timo Betz. Credit: Peter Lessman Research led by Göttingen University shows constructing microscope improves children’s understanding. Microscopy is an essential tool in many fields…
An illustration of the optical fiber Kerr resonator, which Rochester researchers used with a spectral filter to create highly chirped laser pulses. The rainbow pattern…
Field trial shows simple QKD system works with existing telecommunication network in Italy. In a new study, researchers demonstrate an automated, easy-to-operate quantum key distribution…
Research team, L-R: Yuval Adiv, Yaniv Kurman, Professor Ido Kaminer, Raphael Dahan and Dr. Kangpeng Wang. Credit: Technion – Israel Institute of Technology A Spatiotemporal…