Metasurface with Helical Patterns

New device can control optical fields in three dimensions

New Metamaterials for Thermophotovoltaic Devices

Machine learning finds new metamaterial designs to enable devices that convert waste heat to electricity

Ultra-Thin Optical Devices Directly Measure Polarization

Holograms made with metasurfaces could enable fast, compact polarization measurements for spectroscopy

First All-Metamaterial Optical Gas Sensor

The device is ideal for the Internet of Things and smart home devices to detect changes in the environment

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