Pennsylvania State University develops ultrathin, compact metalens telescope.

Fraunhofer ISE method to offset power fluctuations combines solar power with grid and storage.

Novel laser spectrometer provides more accurate method – analyzing samples of just 1.5 ml.

Researchers at Caltech make progress in medical imaging by adapting astronomical optics.

Caltech and University of Gothenburg see new details of temperature and dynamics.

Novel metal/dielectric substrate structure increases photovoltaic conversion efficiency by 250%.

Adopting the animal's ocular structure could help deal with uneven illumination.

Eindhoven and TNO team use similar approach to solar panels based on multiple stacked cells.

Reflection interference technique could help improve next-generation power sources.

Laser-based method works by separating laser Doppler flowmetry signals; also promising for monitoring blood flow in the brain and more.

Third-harmonic technique adds new capabilities to deep-tissue imaging.

Transparent sensor allows researchers to use photonic techniques – such as engineering proteins that fluoresce when activated.