Schematic of the planar device for producing dark- field speckle patterns. (Image from USTC). Credit: Douguo Zhang et al. Researchers from the University of Science and Technology of China (USTC) have ...

Angular resolution is a crucial metric for RF direction-finding systems, representing their ability to distinguish between signals incident from two closely adjacent angles. However, due to the ...

Researchers have developed a new microscope that can visualize the optical response of surfaces at an unprecedented spatial resolution of one nanometer. This paves the way for optical microscopy of ...

Validation of the LIG Nanowise SMAL lens revealed its ability to resolve features down to 137 nm, demonstrating true ...