Higher-resolution imaging of living, moving cells using plasmonic metasurfaces

Metasurface of self-assembled gold nanoparticles shown to improve resolution of fluorescence images of living cells under a widefield optical microscope to the theoretical limit.

Researchers discover material with refractive index higher than in silicon

This will potentially allow to create more compact and efficient elements for lasers, sensors, and optical chips. Moreover, it proves the hypothesis that physicists had about the connection between a material's refractive index and its electronic features.

Photons protect their path using topology

Novel type of nonlinear photonic circuitry where light beams define their own paths while rendering themselves impervious to external perturbations.

Anti-hacking based on the circular polarization direction of light

Development of a phototransistor based on the characteristic of light to travel in a straight line while rotating. Possible to prevent unauthorized reproduction and wiretapping with high-performance, low-cost encryption devices.

Scientists and students publish blueprints for a cheaper single-molecule microscope

Scientists and students publish blueprints for a cheaper single-molecule microscope to make the specialist technique more widely available.

Large-area flexible organic photodiodes can compete with silicon devices

The performance of flexible large-area organic photodiodes has advanced to the point that they can now offer advantages over conventional silicon photodiode technology, particularly for applications such as biomedical imaging and biometric monitoring that require detecting low levels of light across large areas.