Go faster, farther, more efficiently. That's the goal driving spacecraft propulsion engineers like Chen Cui, a new assistant ...

Metasurfaces offer an innovative approach to controlling light. Courtesy: P Genevet Vertical-cavity surface-emitting lasers (VCSELs) have emerged as a highly versatile light source over the past 30 ...

To get the most out of a laser, whether for communications or measurements, it must often be shaped or sliced into small sections. One reliable and inexpensive method of doing this is to use a ...