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University of Gothenburg technique combines microscopy with deep-learning.

Probe with multiple focusing elements achieves better resolution with smaller diameters.

EPFL-developed retinal camera uses oblique beams coupled with adaptive optics to correct distortion.

Dual dyes convert more light into electricity thanks to an additional molecular layer.

Adrian Mancuso has been appointed as the physical science director for the United Kingdom’s national synchrotron, Diamond Light Source. Mancuso previously served as group leader and leading scientist for the Single Particles, Clusters, and Biomolecules & Serial Femtosecond Crystallography instrument group at the European X-Ray Free-Electron Laser Facility. Mancuso will be responsible for overall strategic leadership, direction, and management of Diamond’s Physical Science Division.
Adrian Mancuso. Courtesy of Diamond Light Source. MENLO PARK, Calif. — Chi-Chang Kao, director of the DOE’s SLAC National Accelerator Laboratory, will step down from the role. Kao joined SLAC as a faculty member and associate lab...

Because light of different wavelengths is shaped and refracted differently, lenses located on the end faces of optical fibers can experience strong chromatic aberration. Chromatic aberration can lead to a shift in the focal point and blurred imaging over a range of wavelengths, hindering these lenses, which are used for applications that include endoscopy for medical diagnostics.

To remedy these aberrations, an international research collaboration optimized an optical glass fiber so that light of different wavelengths could be focused with extreme precision. The researchers designed and nanoprinted a 3D achromatic, diffractive metalens on the end face of a single-mode fiber.

The 3D achromatic metalens, which the researchers...