Joost van Mameren explains how quantitative force measurements by optical tweezers can unravel the mechanical properties of biological molecules 1 Forces at work in optical tweezers Qualitative ...

Congratulations to the Nano-Optics Group, led by Professor Markus Raschke, who has announced a record-breaking new optical microscope that can capture images at both the ultrafast and the nano-scale.

Optical and scanning electron microscope images of a nano-LED device that uses AC power instead of DC power, which could be a game-changer for sharper near-eye displays.

Microscopes have long been scientists’ eyes into the unseen, revealing everything from bustling cells to viruses and nanoscale structures. However, even the most powerful optical microscopes have been ...

Haozhe "Harry" Wang's electrical and computer engineering lab at Duke welcomed an unusual new lab member this fall: ...