With one of these sensors, you can add a 2D touch surface to anything. It’s like an invisible laser harp that can also sense distance. The intended purpose is fingertip detection, and that’s ...

A project at Penn State University and China's Hebei University of Technology has now developed a wearable sensor able to ...

A new publication from Opto-Electronic Advances; DOI 10.29026/oea.2025.240275 , discusses A highly sensitive laser gas sensor based on a four-prong ...