Frequency combs may soon leave the metrology lab and enter the mainstream.
Alexander J. Littlefield, Jinlong Zhu, Jonah F. Messinger and Lynford L. Goddard
Microspheres, microcylinders and more complex dielectric structures can create nanoscale concentrations of directed energy. Thanks to advances in fabrication techniques, these optical jets could soon find their way into applications.
Joseph N. Mait
Fifty years ago this month, the high-profile U.S. photography and optics firm attempted to take action against apartheid. The project’s mixed results—and some details behind the story—remain relevant a half-century later.
Patricia Daukantas, Meeri Kim, Molly Moser, and Stewart Wills
Molly Moser and Alessia Kirkland
Perovskite Solar Cells Turn Up the Heat
Imaging at Atomic Length and Time Scales
Thermoacoustic Tomography: Principles and Applications