Flat Lens With a Twist

Stacked bifocal metalenses with controllable focal length and intensity ratio

New Device Channels Heat into Light

Carbon nanotube films enable a new method to recycle waste heat via light to electricity

Smart Glasses Recognize Images without Any Sensors

Tiny bubbles and impurities embedded within the glass could bend light in specific ways to differentiate among different images

Getting More Heat Out of Sunlight

New material can passively capture solar heat for home heating or industrial applications

A Compact Full-Stokes Polarization Camera

Portable polarization-sensitive camera could be used in machine vision, autonomous vehicles, security and atmospheric chemistry

Diamond Metalens for Qubits

Small defects in diamonds are able to harbor electron spins that can be manipulated at room temperature

Calculating Better Large-Area Metasurfaces

Metamaterials to manipulate light at tiny scales could find uses in cellphone lenses, smart-car sensors, and optical fibers

Sculpting Super-Fast Light Pulses

A metasurface with nanopillars shapes light precisely for practical applications

3D Printing of Glass

3D-printing of chalcogenide glass could enable low-cost manufacturing of complex optical components

Bionic Metamaterials with Novel Optical Properties

3D-printing of a moth eye-inspired omnidirectional microwave antenna